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Resonance Frequency patents



      

This page is updated frequently with new Resonance Frequency-related patent applications.




Date/App# patent app List of recent Resonance Frequency-related patents
05/19/16
20160141919 
 Power feed device, power reception device and power feed method patent thumbnailnew patent Power feed device, power reception device and power feed method
Power feed device (100) supplies power to storage battery (152) mounted on vehicle (150), through power receiving unit (154) of vehicle (150). Power supply unit (104) performs preliminary supply to power receiving unit (154) while sequentially changing a frequency, and performs main supply with power larger than in the preliminary supply.
Panasonic Intellectual Property Management Co., Ltd.


05/19/16
20160141891 
 Wireless power transmitter, wireless power receiver, wireless power transmission method and wireless power reception method patent thumbnailnew patent Wireless power transmitter, wireless power receiver, wireless power transmission method and wireless power reception method
A wireless power reception method of a wireless power receiver for receiving power from a wireless power transmitter is disclosed. The wireless power receives a connection signal for identifying the wireless power receiver from the wireless power transmitter; transmitting a response signal in response to the connection signal to the wireless power transmitter; negotiating a power transmission condition with the wireless power transmitter; and receiving the power using resonance frequency band according to the negotiated power transmission condition.
Lg Innotek Co., Ltd.


05/19/16
20160141889 
 Resonance tuning patent thumbnailnew patent Resonance tuning
Another tuning heuristic includes monitoring a circuit parameter while sweeping the power source frequency; identifying two frequencies related to two local maximum for the values of the circuit parameter; determining a desired resonance frequency for the wireless power transfer device based on stored information; and adjusting the tuning component to a value that causes the wireless power transfer device when uncoupled to operate at or near the desired resonance frequency.. .

05/19/16
20160141887 
 Tuning circuit, tuning method and resonance-type contactless power supply patent thumbnailnew patent Tuning circuit, tuning method and resonance-type contactless power supply
The present disclosure relates to a tuning circuit, a tuning method and a resonance-type contactless power supply. The resonance-type contactless power supply has the characteristic that an inductor current has a maximum value when it operates at a resonance frequency.
Silergy Semiconductor Technology (hangzhou) Ltd.


05/19/16
20160141882 
 Power transmission device, wireless power feeding system, and control method patent thumbnailnew patent Power transmission device, wireless power feeding system, and control method
The present power transmission device performs a power transmission process for transmitting power in a wireless manner through electromagnetic field resonance coupling using a resonance circuit. In a case where a resonance frequency of the resonance circuit set to be the same as a frequency of a power transmission signal which is output as transmission power is deviated during transmission of the power, the present power transmission device detects a direction in which the resonance frequency is deviated and controls the power transmission process on the basis of a detection result thereof.
Renesas Electronics Corporation


05/12/16
20160134252 
 Method and balun for trapping rf current on a transmission line after installation patent thumbnailMethod and balun for trapping rf current on a transmission line after installation
Apparatus and method for a radially attachable rf trap attached from a side to a shielded rf cable. In some embodiments, the rf trap creates a high impedance on the outer shield of the rf cable at a frequency of rf signals carried on at least one inner conductor of the cable.
Life Services, Llc


05/12/16
20160134114 
 Compensating electrical harmonics on the electrical grid patent thumbnailCompensating electrical harmonics on the electrical grid
The invention relates to a control system for compensating undesired electrical harmonics on an electrical grid. Part of the control system referred to as a harmonic compensator is operatively connected with a power inverter of a power producing unit supplying power to the grid.
Vestas Wind Systems A/s


05/12/16
20160131547 
 Tire pressure decrease detection apparatus, method, and program patent thumbnailTire pressure decrease detection apparatus, method, and program
A tire pressure decrease detection apparatus comprising a rotation speed information detection unit for detecting rotation speed information of wheels of a vehicle, a resonance frequency estimate unit for time-series estimating a torsional resonance frequency of the rotation speed information from the rotation speed information obtained by the rotation speed information detection unit, and a judgment unit for judging a decrease in pressure of tires installed in the wheels based on the estimated torsional resonance frequency. The resonance frequency estimate unit includes a noise removal unit for removing a noise superimposed on a wheel speed signal serving as the rotation speed information for each of the wheels with using an active noise control technology..
Sumitomo Rubber Industries, Ltd.


05/12/16
20160131008 
 Exhaust purifying device for internal combustion engine patent thumbnailExhaust purifying device for internal combustion engine
The device includes an exhaust passage having an upstream end connected to an exhaust port of the engine and a downstream end provided with a catalytic converter, a secondary air passage having a downstream end connected to an intermediate point of the exhaust passage and an upstream end communicating with the atmosphere, and a reed valve provided in an upstream end of the secondary air passage to permit air flow from the atmosphere to the exhaust passage but not in the opposite direction. The reed valve has a resonance frequency which is z times the prescribed exhaust frequency of the engine, where z is an integer.
Honda Motor Co., Ltd.


05/12/16
20160130424 
 Polyamide resin composition having high melt point and being excellent in anti-vibration property upon water absorption patent thumbnailPolyamide resin composition having high melt point and being excellent in anti-vibration property upon water absorption
The present invention provides a polyamide resin composition having high melt point which can produce a molded product having high anti-vibration property or, in other words, having very high resonance frequency and, in particular, being capable of retaining high resonance frequency even upon water absorption. A polyamide resin composition, comprising a polyamide resin (a) having melt point (tm) of 290° c.
Toyobo Co., Ltd.


05/12/16
20160129238 

Method to optimize electrode placement for cranial electrical stmulation


A method for optimum preparation and placement of transcranial electrodes is described. The method consists of application of liquid silver paint to standard monitoring electrodes and placement of bilateral electrodes over the pterions, the thinnest areas of the skull.

05/05/16
20160126932 

Duplexer and communication module


A branching 1 filter has an antenna terminal 3 which receives signal waves and disturbance waves, a transmission filter 11 which is connected to the antenna terminal 3, a reception filter 13 which is connected to the antenna terminal 3 and receives a portion of the signal waves and has, as a passband, a frequency range higher than a passband of the transmission filter 11, and a disturbance wave resonator which is connected to the antenna terminal 3 and to the ground and positioned closer to the antenna terminal 3 side than the transmission filter 11 and the reception filter 13. The disturbance wave resonator 15 is connected to antenna terminal 3 at a position closer to the antenna terminal 3 side than the transmission filter 11 and the reception filter 13.
Kyocera Corporation


05/05/16
20160126823 

Multiple-tuned filter design hvdc system


A method of designing a multiple-tuned filter (mtf) of a high voltage direct current (hvdc) system is provided. The method includes selecting an input parameter for the mtf, setting a resonance frequency of the mtf, calculating values of inductance (l) and capacitance (c) which are filter parameters of the mtf on the basis of the input parameter and the resonance frequency, combining a value of resistance (r) with the filter parameters and calculating a price according to the combination, and storing the combined values of r, l, and c when the calculated price falls within a predetermined price range..
Lsis Co., Ltd.


05/05/16
20160126499 

Organic light-emitting diode, array substrate and preparation method thereof, and display device


The present invention relates to an organic light-emitting diode, an array substrate and a preparation method thereof, and a display device. The organic light-emitting diode comprises an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, and a hole injection layer disposed between the anode and the light-emitting layer, wherein the hole injection layer is provided therein with metal nanoparticles, and the frequency of a localized surface plasmon resonance of the metal nanoparticles is matched with the emission wavelength of the light-emitting layer.
Boe Technology Group Co., Ltd.


05/05/16
20160126067 

Plasma processing apparatus


A resonance frequency is adjusted or optimized by shifting the resonance frequency without reducing an impedance function or a withstand voltage characteristic against a high frequency noise, when blocking, by using a multiple parallel resonance characteristic of a distributed constant line, the high frequency noise introduced into a line such as a power feed line or a signal line from an electrical member other than a high frequency electrode within a processing vessel. Regarding winding pitches, each of the solenoid coils 104(1) and 104(2) is divided to multiple sections k1, k2, .
Tokyo Electron Limited


05/05/16
20160124061 

Method and magnetic resonance imaging with a music-based gradient curve


In a method and apparatus for magnetic resonance imaging with a music-based gradient curve, a magnetic resonance sequence and a piece of music are provided to a controller of a magnetic resonance apparatus. The piece of music is modified in the controller by taking into account at least one acoustic resonance parameter that characterizes at least one acoustic resonance frequency of the magnetic resonance apparatus, so a modified piece of music is generated.
Siemens Aktiengesellschaft


05/05/16
20160123736 

Vibration element, electronic device, electronic apparatus, and moving object


An vibration element includes a drive vibration section and a detection vibration section, and the detection vibration section has a detection mode 1 and a detection mode 2 as an vibration mode for detection in which the detection vibration section resonates with coriolis force produced in the drive vibration section and vibrates. A resonance frequency (vibration frequency) of the drive vibration section is higher than a resonance frequency (vibration frequency) in the detection mode 1 and a resonance frequency (vibration frequency) in the detection mode 2, or the vibration frequency of the drive vibration section is lower than the resonance frequency (vibration frequency) in the detection mode 1 and the resonance frequency (vibration frequency) in the detection mode 2..
Seiko Epson Corporation


04/28/16
20160118834 

Portable radio device adapted to function as a wireless charger


A portable radio device is adapted to function as a wireless charger. The device includes a power supply source, a power control circuit, a controller, a power amplifier connected to the power control circuit to draw a first supply voltage from the power control circuit, and a source coil.
Motorola Solutions, Inc


04/28/16
20160118805 

Wireless power transfer system and method thereof


A wireless power transfer system and method is provided. The system includes a source coil that is coupled to a power supplying device and a receiver coil that is coupled to a power receiving device.
Motorola Solutions, Inc


04/28/16
20160116678 

Systems and methods for laser frequency stabilization using an arbitrarily birefringent resonator


Systems and methods to stabilize a laser frequency include a birefringent resonator that introduces an arbitrary phase difference between two polarization components of the laser beam, a polarizing beam splitter to separate the two polarization components after the birefringent resonator, and a differential detector to monitor the separated two polarizations, based on which an error signal can be produced to control a servo to adjust the laser frequency or resonator resonance frequency accordingly. The birefringent resonator can comprise a fiber ring, a whispering gallery mode (wgm) resonator, or any other birefringent ring resonator.

04/28/16
20160115469 

Device for electrically disintegrating cell clusters


According to the invention, the electronic control unit has means for determining the resonance frequency of the high-voltage source (56).. .

04/21/16
20160111784 

Tunable multiple-resonance antenna systems, devices, and methods for handsets operating in low lte bands with wide duplex spacing


The present subject matter relates to antenna systems, devices, and methods that provide efficient coverage of low frequency bands (e.g., 700 mhz-bands and 600 mhz-bands) for the new generations of mobile communication. For example, a dual-resonant radiating system can include a ground plane, a radiating coupler spaced apart from but in communication with the ground plane, and a ground plane extension in communication with the ground plane.

04/21/16
20160109599 

Compliance chambers for marine vibrators


A marine vibrator may include a containment housing, a sound radiating surface, and a compliance chamber. The compliance chamber may include a compliance chamber housing, a non-linear linkage assembly, and a low pressure chamber.

04/21/16
20160109540 

Using a cavity to polarize a spin ensemble


In some aspects, polarization of a spin ensemble can be increased using cavity-based techniques. A resonator applies drive field to a spin ensemble in a static magnetic field.

04/14/16
20160105147 

Crystal oscillator start-up circuit


A crystal oscillator start-up circuit capable of reducing a start-up time of a crystal oscillator is disclosed. The crystal oscillator start-up circuit is provided with a crystal oscillation unit including a crystal oscillator, a converter and an external oscillator.

04/14/16
20160105033 

Power supply apparatus


A power supply apparatus for supplying power in a wireless manner or a wired-wireless manner is provided. The power supply apparatus includes a power conversion unit converting input power into first power, and a wireless power supply unit varying a switching frequency switching the first power to wirelessly transmit the switched first power in one of a first wireless transmission manner or a second wireless transmission manner or wirelessly transmit the switched first power at a frequency within a resonance frequency band of one wireless transmission manner of wireless transmission manners having different resonance frequency bands..

04/14/16
20160102564 

Rotating body provided with blades


A rotating body includes a rotating body core, and a plurality of blades provided at an outer or inner circumference of the rotating body core at equal intervals in a circumferential direction, and connected circumferentially via an annular connection portion provided separately from the rotating body core. A resonance frequency under a two nodal diameter number mode of the rotating body is lower than or equal to a rotational secondary harmonic frequency with respect to a rated rotation speed.

04/14/16
20160101975 

Resonance frequency adjustment module


A resonance frequency adjustment module is disclosed forming a mems sensor for detecting an angular velocity. The resonance frequency adjustment module includes a movable electrode; a fixed electrode facing the movable electrode to form a capacitor; and an elastic body supporting the movable electrode so as to be displaceable in one direction.

04/07/16
20160100252 

System and driving a low frequency speaker


A control circuit configured to control a speaker is disclosed. The control circuit is configured to drive the speaker at a predetermined frequency that may correspond to a resonance frequency.
Gentex Corporation


04/07/16
20160099579 

Wireless power transmission system, and controlling transmission and reception of resonance power


A resonance power transmission system, and a method of controlling transmission and reception of a resonance power are provided. According to one embodiment, a method of controlling resonance power transmission in a resonance power transmitter may include: transmitting resonance power to a resonance power receiver, the resonance power having resonance frequencies which vary with respect to a plurality of time intervals; and receiving, from the resonance power receiver, information regarding the resonance frequency having the highest power transmission efficiency among the resonance frequencies used in the time intervals..
Samsung Electronics Co., Ltd.


03/31/16
20160094265 

Dielectric filter, transceiver, and base station


Embodiments relate to the field of technologies of components of communications devices, and provide a dielectric filter, which resolves a problem that a solid dielectric filter has a difficulty in implementing capacitive coupling. The dielectric filter includes at least two dielectric resonators, where each of the dielectric resonators includes a body made of a solid-state dielectric material, and an adjusting hole located on a surface of the body.
Huawei Technologies Co., Ltd.


03/31/16
20160094199 

Resonant circuit with variable frequency and impedance


A resonant circuit comprises an input terminal and an output terminal and at least: a group of n resonators, where n≧1, the resonators having the same resonance frequency and the same antiresonance frequency; a first and a second impedance matching element having a non-zero reactance, the first element being in series with the group of resonators, and the second element being in parallel with the group of resonators, the resonant circuit comprising: first means for controlling the group of resonators, enabling the static capacitance of the group to be fixed at a first value; second control means, enabling the impedance of the first impedance matching element and that of the second element to be fixed at second values; the first and second values being such that the triplet of values composed of the static capacitance of the group, the impedance of the first element, and the impedance of the second element can be used to determine the following triplet of parameters: the characteristic impedance zc of the assembly formed by the group, the first impedance matching element and the second matching element; the resonance frequency ωr of the assembly; the antiresonance frequency ωa of the assembly, in order to stabilize the impedance of the circuit at a chosen characteristic impedance.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives


03/31/16
20160091738 

Optical closed loop microresonator and thyristor memory device


A semiconductor device that includes an optical resonator spaced from a waveguide structure to provide for evanescent-wave optical coupling therebetween. The optical resonator includes a closed loop waveguide defined by an epitaxial layer structure that includes at least one quantum well.
Opel Solar, Inc.


03/24/16
20160087456 

Power transfer system, power transmitting device, power receiving device, and power transfer method


A power transfer system includes a power transmitting device and a power receiving device that are opposed to each other with sandwiching a medium therebetween. The power transmitting device transmits electric power at a resonance frequency that is determined by an impedance of an electric power transmission path including the power transmitting device, the power receiving device, and the medium..
Nec Corporation


03/17/16
20160079958 

Acoustic resonator comprising vertically extended acoustic cavity


An acoustic resonator device includes a substrate, a bottom electrode, a piezoelectric layer, and a top electrode. The top electrode includes a first top comb electrode having a first top bus bar and first top fingers extending in a first direction from the first top bus bar, and a second top comb electrode having a second top bus bar and second top fingers extending in a second direction from the second top bus bar, substantially opposite to the first direction, such that the first and second top fingers form a top interleaving pattern.
Avago Technologies General Ip (singapore) Pte. Ltd.


03/17/16
20160076945 

System for monitoring temperature of electrical conductor


A system for monitoring temperature of an electrical conductor (31) enclosed in at least a (semi)conductive layer (13) comprising: a passive inductive unit (20), and a transceiver unit (40) and a control unit (50). The passive inductive unit (20) includes at least one temperature sensitive component and is configured to have a resonance frequency and/or q value that vary with temperature of the electrical conductor (31).
3m Innovative Properties Company


03/10/16
20160069850 

Resonant co2 sensing with mitigation of cross-sensitivities


Various exemplary embodiments relate to a device to measure carbon dioxide (co2) levels, including a first oscillator group comprising a first sensor to measure air pressure, where the first sensor comprises a first sealed membrane, and where the first sealed membrane overlays a sealed first cavity; a second oscillator group including a second sensor to measure the resonance frequency of a second unsealed oscillating membrane, and where the second unsealed membrane overlays a second cavity in contact with the air outside of the second sensor; and a mixer accepting as input a first frequency measurement output from the first oscillator group and a second frequency measurement output from the second oscillator group, outputting the difference of the first frequency measurement and the second frequency measurement, and computing a carbon dioxide measurement based on the difference.. .
Ams International Ag


03/03/16
20160064818 

Antenna apparatus and electronic device including the antenna apparatus


According to one embodiment, an antenna includes a second element that has an end connected to a first point of a first element, and first and second ends kept open, and includes a first portion extending from a feed terminal to the first end, and a second portion extending from the feed terminal and bifurcated at a second point between the first point and the first end. The lengths of the first and second portions are set to substantially ¼ of a resonance frequency, and substantially ¾ of a resonance frequency, severally.
Kabushiki Kaisha Toshiba


03/03/16
20160061688 

Fatigue testing of a test specimen


The invention pertains to a combination of a test rig and test specimen for performing a fatigue test, wherein the test specimen is non-axisymmetric and comprises:—a central element,—a first branch element, which has a longitudinal axis that extends at an angle to the longitudinal axis of the central element,—a joint connecting the first branch element to the central element, which has an in plane bending resonance frequency with an associated in plane bending mode shape, and an out of plane bending resonance frequency with an associated out of plane bending mode shape, wherein the in plane bending resonance frequency and the out of plane bending frequency are substantially the same, wherein the first node of the in plane bending mode shape and the first node of the out of plane bending mode shape are substantially at the same position at the first branch element and wherein the test rig comprises:—a support for supporting the test specimen,—an excitator for subjecting the test specimen to forced vibration at an excitation frequency.. .
Onderzoekscentrum Voor Aanwending Van Staal N.v.


03/03/16
20160059713 

Method for charging a vehicle battery by induction


The invention relates to a method for charging a vehicle battery by induction from a charging device including a charge transmitter including a primary coil l1 and an inverter capable of supplying the primary coil l1 with an ac supply voltage e. Said device also includes a charge receiver including a secondary coil l2 arranged in a vehicle.
Schneider Electric Industries Sas


02/25/16
20160056793 

Ladder-type surface acoustic wave filter including series and parallel resonators


A ladder-type surface acoustic wave filter assembly includes a plurality of series resonators formed on a substrate and connected between an input terminal and an output terminal. A first series resonator has a lowest resonance frequency among the plurality of series resonator.
Skyworks Panasonic Filter Solutions Japan Co., Ltd.


02/25/16
20160056638 

Wireless power transfer device, supplied-power control wireless power transfer device, and wireless-power-transfer-device manufacturing method


A wireless power transmission apparatus, a supply power control method, and a manufacturing method of the wireless power transmission apparatus, with which supply power is controlled by adjusting the resonance frequency of a coil of a power-supplying device and/or the resonance frequency of a coil of a power-receiving device while power transmission efficiency is maintained, are provided. As a supply power control method for a wireless power transmission apparatus 1 which supplies power from a power-supplying module including a power-supplying resonator to a power-receiving module including a power-receiving resonator by changing a magnetic field, power supplied to a power-supplied electronic device is controlled by setting an input impedance zin of the wireless power transmission apparatus by adjusting the resonance frequency of at least one of a power-supplying resonator and a power-receiving resonator..
Nitto Denko Corporation


02/25/16
20160054267 

Apparatus for analyzing active material of secondary battery and analyzing active material using the same


An apparatus for analyzing an active material of a secondary battery may include: a first electrode; a piezoelectric layer on the first electrode; a second electrode on the piezoelectric layer, configured to provide a voltage having a polarity opposite to a polarity of the first electrode; and/or an insulating layer on the second electrode and including a through hole exposing a portion of the second electrode. A method of analyzing an active material of a secondary battery may include: disposing an active material in a through hole of a bulk acoustic resonator, in which a first electrode, a piezoelectric layer, a second electrode, and an insulating layer are stacked; measuring a resonance frequency of the resonator by applying an electric signal to the first and second electrodes of the resonator; and/or measuring a weight of the active material in the through hole, based on the measured resonance frequency..
Samsung Electronics Co., Ltd.


02/25/16
20160053091 

Polyamide resin composition reinforced with glass fiber


The present invention provides a polyamide resin composition reinforced with glass fiber which can produce a molded product having high anti-vibration property or, in other words, having very high resonance frequency and having, upon necessity, excellent weather-resisting color fastness. A polyamide resin composition reinforced with glass fiber, comprising a polyamide resin (a) constituted from aliphatic polyamide (a1) and aromatic component-containing polyamide (a2), and glass fibers (b) having a cross-sectional area of 1.5 to 5.0×10−6 cm2, wherein ratio by weight of the polyamide resin (a) to the glass fibers (b) [(a):(b)] is from 20:80 to 35:65 and ratio by weight of the aliphatic polyamide (a1) to the aromatic component-containing polyamide (a2) [(a1):(a2)] is from 5:95 to 95:5.
Toyobo Co., Ltd.


02/25/16
20160051131 

Scanner for two-dimensional optical scanning, manufacturing method thereof, and medical imaging apparatus using the same


Provided are a scanner for two-dimensional optical scanning capable of implementing two-dimensional driving by one input signal without an additional structure for modulating a resonance frequency using modulation of the resonance frequency through asymmetry of the scanner itself, and a manufacturing method thereof. In addition, there is provided a manufacturing method of a scanner for two-dimensional optical scanning capable of implementing compact packaging through a micro electro mechanical systems (mems) process to miniaturize the scanner, such that it may be used in a micro-miniature system such as an endoscope and capable of increasing precision of the scanner and manufacturing the scanner in various shapes and at a low cost.
Korea Advanced Institute Of Science And Technology


02/18/16
20160049967 

Rf transmitter for electrically short antenna


An rf transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy storage forms with the antenna when connected thereto a resonance circuit with a resonance frequency and a quality factor.
Oticon A/s


02/18/16
20160049797 

Receiving device for receiving a magnetic field and for producing electric energy by magnetic induction


A receiving device for receiving a magnetic field and producing electric energy by magnetic induction. The receiving device includes at least one coil of an electric line.
Bombardier Transportation Gmbh


02/18/16
20160047932 

Electric near-field probe, control system for same, and piezoelectric crystal detector


Provided is a compact and lightweight electric field probe which has a transmitting/receiving function whereby piezoelectric crystals can be excited through the application of an alternating current electric field thereto, and piezoelectric effect signals can be detected with sufficient sensitivity. Also provided are a control system for the same, and a piezoelectric crystal detector.
Osaka University


02/18/16
20160045725 

Implantable device with electrical filter


An implantable device including a proximal end, a distal end, an elongate electrically conductive component arranged between the proximal end and the distal end, and a contact pole electrically connected to the elongate electrically conductive component. The contact pole is arranged in a region of the distal end to electrically contact bodily tissue adjacent to the contact pole during operation of the implantable device.
Biotronik Se & Co. Kg


02/11/16
20160042205 

Implant telemetry with dynamic tuning


Systems and methods for maximizing the resonance frequency match between a reader and a controlled device interacting over a narrowband inductive link involve, in various embodiments, features of the controlled device, the reader, or both.. .

02/04/16
20160036408 

Snap-on coaxial cable balun and trapping rf current on outside shield of coax after installation


Apparatus and method for a radially attachable rf trap attached from a side to a shielded rf cable. In some embodiments, the rf trap creates a high impedance on the outer shield of the rf cable at a frequency of rf signals carried on at least one inner conductor of the cable.
Life Services, Llc


02/04/16
20160036116 

Dielectric resonator, dielectric filter, and fabrication method


The present application provides a dielectric resonator, a dielectric filter, a base station and a method for fabricating the dielectric resonator or the dielectric filter. The dielectric resonator includes: a solid dielectric resonator body, a blind hole located on one side of the solid dielectric resonator body, a metalized layer covering both a surface of the solid dielectric resonator body and a surface of the blind hole, and a demetallized notch located at the metalized layer on the surface of the blind hole.
Huawei Technologies Co., Ltd.


02/04/16
20160033959 

Servo motor controller having self-measuring function and self-monitoring function of mechanical stiffness


A servo motor controller includes a speed command generating unit for generating a speed command value of the servo motor, a speed detecting unit that detects a speed of the servo motor, a torque command generating unit for generating a torque command value, a sine wave generating unit for generating a sinusoidal disturbance value, a frequency response calculating unit for calculating a frequency response when the sinusoidal disturbance value has been input to a speed control loop, a resonance frequency detecting unit for detecting a resonance frequency at which a gain is maximized, a resonance frequency storing unit for storing the resonance frequency, at least one filter for attenuating a specific frequency band component included in the torque command value, and a resonance frequency comparing unit for measuring stiffness of a machine tool based on the resonance frequency and adjusts the filter with respect to the resonance frequency.. .
Fanuc Corporation


02/04/16
20160033592 

Enhancement of magnetic resonance image resolution by using bio-compatible, passive resonator hardware


Embodiments of the present invention address the problems with previously known mri enhancement resonators. The embodiments provide capacitances that are sufficiently large to result in resonance frequencies that are sufficiently low for medical mri applications in devices that are sufficiently small for implantation into the body.

02/04/16
20160033422 

Fano resonance microwave spectroscopy of high absorption matter


The invention is a method of fano resonance microwave spectroscopy of high absorption matter. The method comprises: embedding a magnetic-dipolar-mode (mdm) ferrite disk in the microwave cavity, loading a sample of the high absorption matter in the microwave cavity, using a bias magnetic field to tune the mdm resonance frequency of the ferrite disk to the resonance frequency of the cavity; and observing the symmetric lorentz-like lineshape of the resonance peaks that are obtained..
B.g. Negev Technologies And Applications Ltd., At Ben-gurion University


02/04/16
20160033401 

Plasmonic structure with enhanced bandwidth


Embodiments are directed to a plasmonic structure having an enhanced resonance frequency bandwidth. In one aspect, a plasmon-enhanced coupler is provided having a first plasmon region and a second plasmon region.
International Business Machines Corporation


01/28/16
20160028374 

Apparatus and tuning a resonance frequency


There are disclosed various apparatuses and methods for tuning a resonance frequency. In some embodiments there is provided an apparatus (200) comprising at least one input electrode (202, 204) for receiving radio frequency signals; a graphene foil (210) for converting at least part of the radio frequency signals into mechanical energy; at least one dielectric support element (212) to support the graphene foil (210) and to space apart the at least one input electrode (202, 204) and the graphene foil (210).
Nokia Technologies Oy


01/28/16
20160026130 

Fixing apparatus


A fixing apparatus includes a tubular rotation member including a conductive layer, a helical coil, a resonance circuit, including a resonance capacitor, formed with the rotation member and the coil, a resonance inverter configured to control the resonance circuit, and a control unit configured to control electric power supplied to the resonance inverter, wherein the conductive layer generates heat with electromagnetic induction caused by magnetic flux generated through the coil, wherein the control unit sets a driving frequency of the resonance inverter according to at least one of a size of the recording medium and a temperature of a non-sheet-passing portion of the rotation member, and wherein the control unit changes a resonance frequency of the resonance circuit according to the set driving frequency.. .
Canon Kabushiki Kaisha


01/28/16
20160022154 

System including guidewire for detecting fluid pressure


A system for detection of blood pressure in a blood vessel includes a guide wire and a lc resonance circuit provided at a distal end of the guide wire. The resonance circuit may be a non-lc resonance circuit responsive to changes in pressure of fluid external to the guide wire such that the resonance circuit has a resonance frequency that varies in accordance with changes in pressure of the external fluid..
Guided Interventions, Inc.


01/21/16
20160021463 

Vibrating body for acoustic transducer and speaker device


A vibrating body for an acoustic transducer is provided, in which the high resonance frequency associated with inverse resonance can be outside the audible range and which can improve the acoustic characteristic of a speaker device. The vibrating body 1 for an acoustic transducer includes: a diaphragm 2 including a first vibrating part 2a and a second vibrating part 2b formed in proximity of the outer circumferential edge of the first vibrating part 2a; and an edge portion 3 formed in proximity of the outer circumferential edge of the diaphragm 2.
Tohoku Pioneer Corporation


01/21/16
20160020712 

Vibration wave motor


A vibration wave motor includes a vibration plate having a flat plate portion and protruding portions, a piezoelectric element that performs high-frequency vibration, a friction member contacting the protruding portions, and a first natural vibration mode and a second natural vibration mode, which are excited in the vibration plate by the high-frequency vibration, the vibration plate and the friction member moving relatively to each other, maximum amplitude generated on tip ends of the protruding portions by the first natural vibration mode is larger than maximum amplitude generated on tip ends of the protruding portions by the second natural vibration mode, a resonance frequency of the first natural vibration mode is lower than a resonance frequency of the second natural vibration mode, and amplitudes of the first natural vibration mode and the second natural vibration mode in a frequency range at a time of drive substantially coincide with each other.. .
Canon Kabushiki Kaisha


01/21/16
20160020527 

Antenna device


An antenna device includes a ground; a monopole antenna including a first section running from a feeding point along the ground, a second section running in a direction away from the ground, and a third section running along the ground, the monopole antenna having a length corresponding to ¼ of a wavelength at a first resonance frequency; a parasitic element including a first section whose end is connected to the ground in the vicinity of the end of the first section of the monopole antenna and that runs in a direction away from the ground, and a second section, the parasitic element having a length corresponding to ¼ of a wavelength at a second resonance frequency; and a dipole antenna provided along the third section of the monopole antenna and the parasitic element, the dipole antenna having a length corresponding to ½ of a wavelength at a third resonance frequency.. .
Fujitsu Limited


01/21/16
20160018294 

Vibration damping system and vehicle


A vibration damping system comprises a vibration applying device mounted on a frame and a control device that controls the vibration applying device, the control device comprising a voltage command producing part that produces a driving voltage command to drive the vibration applying device and a vibration failure diagnosis part that diagnoses whether there is failure based on a vibration detection signal output by a vibration detecting device, wherein the voltage command producing part produces the driving voltage command corresponding to a diagnosis frequency that is previously set at a frequency identical to a resonance frequency of the frame or the vibration applying device or at a predetermined frequency close to the resonance frequency and makes the vibration applying device generate the vibration applying force according to the driving voltage command, and the vibration failure diagnosis part diagnoses whether there is failure based on the vibration detection signal.. .
Sinfonia Technology Co., Ltd.


01/14/16
20160013865 

Micro-disc modulator, silicon photonic device and optoelectronic communication apparatus using the same


Various embodiments of a micro-disc modulator as well as a silicon photonic device and an optoelectronic communication apparatus using the micro-disc modulator are described. In one aspect, a device includes a soi substrate and a silicon photonic structure formed on a primary surface of the soi substrate.
Photonic International Pte. Ltd.


01/14/16
20160013394 

Multi-cell transducer


The present invention relates to a transducer device having a planar array of electroacoustic cells, each including a piezoelectric bilayer unit. The transducer device achieves high transmission sensitivity across a broad bandwidth.
Microtech Medical Technologies Ltd.


01/14/16
20160010994 

Mems gyro motor loop filter


A motor drive loop circuit for a micro-electro-mechanical system (mems) gyroscope is provided. The motor drive loop circuit includes a motor configured to drive a proof mass in the mems gyroscope and a minus-90-degree phase-shift twin-tee notch filter.
Honeywell International Inc.


01/14/16
20160010721 

Torsional resonance frequency adjustor


Engaging inclined surfaces of an inner ring and an outer ring create wedge action inducing an inward radial force as the rings are forced together longitudinally, holding the adjustor on a rotating body. An inner total arcuate length of each ring is smaller than an outer total arcuate length of a respective target body (inner ring for outer ring, rotating body for inner ring).
General Electric Company


01/14/16
20160008621 

Biological resonance chip


The present invention is a biological resonance chip utilizing a human biological micro-wave and coupling resonance technique by consisting of a printed circuit sticker at which at least a biological micro-wave receiver, a high frequency oscillating chip and at least a biological micro-wave transmitter are provided and electrically connected. By the aforesaid configuration, a product made by the printed circuit sticker can be placed at an arbitrary area of a human body from which a human biological micro-wave is emitted, picked by the biological micro-wave receiver, received by the high frequency oscillating chip for amplifying a power level and transmitted by the biological micro-wave transmitter to the human body for improving a health condition thereof.

01/07/16
20160004954 

Frequency tuning of an electronic tag


An electronic tag including: a first planar conductive winding forming an antenna coupled, with or without contact, with an electronic circuit; and a correction element, placed on the first winding and having its shape and position relative to the first winding selected according to a resonance frequency correction desired for the assembly.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives


12/31/15
20150382102 

Dynamic microphone and forming back-side air chamber


A dynamic microphone which prevents a wall forming a back-side air chamber from having a certain resonance frequency and effectively prevents the generation of standing waves in the back-side air chamber is provided. A dynamic microphone includes a dynamic microphone unit including a diaphragm configured with a voice coil and a magnetic circuit having a magnetic gap provided so as to allow the voice coil to vibrate, a bottomed case which is coupled to the dynamic microphone unit and forms a back-side air chamber communicating with back side of the diaphragm, and an acoustic resistance body which is pressingly attached in the case and composed of metal fiber including a pocket, an open cross sectional area of the pocket gradually decreasing toward the direction remote from the dynamic microphone unit..
Kabushiki Kaisha Audio-technica


12/31/15
20150381344 

Semiconductor device


A semiconductor device includes a controlled oscillator and a control unit. The controlled oscillator includes a resonance circuit, an amplification unit, and a current adjustment unit.
Renesas Electronics Corporation


12/31/15
20150381064 

Bidirectional dc/dc converter


A bidirectional dc/dc converter includes first and second control circuits, and first and second bridge circuits respectively connected to first and second direct current voltage supplies. In one embodiment variant, when power is supplied from the first direct current voltage supply to the second direct current voltage supply, the first control circuit carries out pfm control of the first bridge circuit at a frequency equal to or lower than the resonance frequency of an lc resonant circuit in accordance with a control amount based on the voltage and current of the second direct current voltage supply.
Fuji Electric Co., Ltd.


12/31/15
20150380978 

Wireless charger


The invention relates to decreasing power consumption of wireless charging devices in standby condition. A method for decreasing power consumption comprises feeding at least one detecting signal as a pulse to a wireless charging coil (120) of a power transmitter (100) comprising a charging area, wherein the detecting signal corresponds with an expected resonance frequency of the wireless charging coil (120) measuring a reflected signal caused by feeding the detecting signal, determining whether the reflected signal satisfies a non-resonance condition and activating a power transmitting circuit in response to determining that the reflected signal satisfies the non-resonance condition.
Nokia Corporation Oy


12/31/15
20150380944 

Power supply device, integrated circuit, energy transmitter and impedance matching method


A resonance contactless power supply device can include: (i) a converter configured to convert an input power signal to an adjustable dc voltage; (ii) an inverter configured to receive the adjustable dc voltage, and to generate an ac voltage with a leakage inductance resonance frequency; (iii) a first resonance circuit having a transmitting coil, and being configured to receive the ac voltage from the inverter; (iv) a second resonance circuit comprising a receiving coil that is contactlessly coupled to the transmitting coil, where the second resonance circuit is configured to receive electric energy from the transmitting coil; and (v) a control circuit configured to control the adjustable dc voltage according to a phase difference between the ac voltage and an ac current output by the inverter, such that the phase difference is maintained as a predetermined angle.. .
Silergy Semiconductor Technology (hangzhou) Ltd


12/24/15
20150369605 

Symmetric three-laser resonator fiber optic gyroscope


A resonator fiber optic gyroscope comprises a master laser that emits a reference optical signal, a first slave laser that emits a clockwise optical signal, and a second slave laser that emits a counter-clockwise optical signal. A resonator ring cavity in optical communication with the first slave laser and second slave laser is configured to receive the optical signals from the slave lasers without receiving the reference optical signal.
Honeywell International Inc.


12/24/15
20150367708 

Tuned air extractor to prevent wind throb in a vehicle


An air extractor is provided for reducing wind throb in a vehicle. The air extractor includes a support having a first opening.
Ford Global Technologies, Llc


12/17/15
20150365139 

Transceivers for near field communication, near field communication devices, and electronic systems having the same


A transceiver for near field communication may include: a resonance circuit coupled between a first node and a second node, the resonance circuit having a resonance frequency and being configured to emit an electromagnetic wave to communicate data with an external device; a first capacitor coupled between the first node and a third node; a second capacitor coupled between the second node and a fourth node; and/or a filter coupled among a first transmission electrode, a second transmission electrode, the third node, and the fourth node in an asymmetrical structure to provide a first frequency response and a second frequency response to the first transmission electrode and the second transmission electrode, respectively, the first frequency response being different from the second frequency response, the filter being configured to receive the data through the first transmission electrode and the second transmission electrode.. .

12/17/15
20150365066 

Power transmission system, transmission apparatus, receiving apparatus, and power transmission method


A transmission apparatus transmits electric power via a medium that is present between the transmission apparatus and a receiving apparatus. The transmission apparatus includes: an antenna; and a power transmission circuit that outputs electric power via the antenna of the transmission apparatus, the electric power having a first resonance frequency determined by an impedance of the medium, an impedance of the antenna of the transmission apparatus, and an impedance of an antenna of the receiving apparatus..
Nec Corporation


12/17/15
20150362425 

Single molecule spectroscopy using photothermal tuning of optical microcavities


Methods and apparatuses for single particle and single molecule spectroscopy are provided. A method comprises exposing the surface of an optical microcavity characterized by at least one resonance frequency to a sample such that a single particle or a single molecule from the sample adsorbs onto the surface of the microcavity; evanescently coupling a probe laser beam into the microcavity, wherein the wavelength of the probe laser beam substantially matches the at least one resonance frequency; illuminating the surface of the microcavity with a free space pump light beam such that the focal spot of the free space pump light beam substantially overlaps with the single particle or the single molecule; and detecting light from the probe laser beam, wherein the wavelength of the free space pump light beam is that which generates sufficient heat via energy absorbed by the single particle or the single molecule from the free space pump light beam to induce a shift in the at least one resonance frequency, thereby providing a change in an optical characteristic of the detected light from the probe laser beam..
Wisconsin Alumni Research Foundation


12/17/15
20150361841 

Vehicle exhaust system with resonance damping


A vehicle exhaust system includes an exhaust component having an outer surface and an inner surface that defines an internal exhaust component cavity. At least one bleed hole is formed in the exhaust component to reduce a resonance frequency.
Faurecia Emissions Control Technologies


12/10/15
20150358740 

Electrical tuning of parameters of piezoelectric actuated transducers


Parameters, such as, quality factor and/or resonance frequency of an acoustic transducer can be electrically tuned. The acoustic transducer can include a piezoelectric layer deposited on a silicon supporting layer, a first electrode layer deposited on the piezoelectric layer, and a second electrode layer deposited between the silicon supporting layer and piezoelectric layer.
Invensense, Inc.


12/10/15
20150358026 

Apparatus, system, and frequency generation using an atomic resonator


Some demonstrative embodiments include devices, systems and/or methods of generating a frequency reference using a solid-state atomic resonator formed by a solid-state material including an optical cavity having color centers. A device may include a solid-state atomic clock to generate a clock frequency signal, the solid-state atomic clock including a solid state atomic resonator formed by a solid-state material including an optical cavity having color centers, which are capable of exhibiting hyperfine transition, wherein the solid-state atomic clock may generate the clock frequency signal based on a hyperfine resonance frequency of the color centers.

12/10/15
20150357958 

Control vibration generator and vibration generator


A control method for a vibration generator is provided. The vibration generator includes a fixed part around which a coil is wound, a movable part having a magnet, a bridge part movably supporting the movable part, and a power supply unit which applies an alternating current of a predetermined frequency to the coil.
Minebea Co., Ltd.


12/10/15
20150357843 

Storage battery equalization device capable of charging battery pack including storage battery modules having different output voltages in short time


A storage battery equalization device is provided with: a battery pack including a plurality of storage battery modules; a plurality of equalization circuits corresponding to the respective storage battery modules, each including a dc/ac mutual converter circuit, a variable capacitor, and a transformer; external wirings interconnecting secondary windings of the transformers; voltage monitors each being connected across both electrodes of a corresponding storage battery module; and an equalization control unit. The equalization control unit determines equalization groups, each including one or more storage battery modules for discharging and one or more storage battery modules for charging, sets one of electrostatic capacitance values to the variable capacitors for each equalization group, the electrostatic capacitances corresponding to resonance frequencies of the equalization circuits, and controls a frequency of an alternating current outputted from the dc/ac mutual converter circuit of each equalization circuit, to be the resonance frequency of the equalization circuit..
Mitsubishi Electric Corporation


12/10/15
20150355306 

Method and magnetic resonance generating a parameter map to compensate local inhomogeneities in the basic magnetic field


In a method and a controller for generating a parameter map for a target volume in an examination object, that represents a field deviation from the resonance frequency of a first spectral component of tissue of object in a magnetic resonance tomography scanner, a spatial region of the object, which includes at least the target volume, is excited. At least three echo signals are formed, wherein a first echo time difference between two the echo signals is chosen such that the phase evolutions of the signals of a second spectral component of the tissue differ, during the first echo time difference, from the first spectral component substantially by 2π, and an echo time of at least a further one of the echo signals is chosen such that it lies between the echo times of the two echo signals having the first echo time difference.
Siemens Aktiengesellschaft


12/03/15
20150349743 

Acoustic resonator comprising vertically extended acoustic cavity


A bulk acoustic wave (baw) resonator having a vertically extended acoustic cavity is provided. The baw resonator includes a bottom electrode disposed on a substrate over a cavity formed in the substrate; a piezoelectric layer disposed on the bottom electrode, and a top electrode disposed on the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.


12/03/15
20150346849 

Position pointer of the electromagnetic induction type and electronic ink cartridge


A position pointer is disclosed, in which an electronic ink cartridge of an electromagnetic induction type is accommodated. The electronic ink cartridge includes a resonance circuit having a coil and a capacitor circuit, and is configured to detect pressure applied to a core member accommodated in the position pointer based on a variation of a resonance frequency of the resonance circuit.
Wacom Co., Ltd.


12/03/15
20150346306 

Pulse detection apparatus and pulse detection method


Provided is a pulse detection apparatus and a pulse detection method less susceptible to movement of a subject and less susceptible to noise. An oscillation frequency controller is configured to cause a frequency variable oscillator to oscillate at a predetermined oscillation frequency, which is a frequency within a range assumed as a resonance frequency of a molecule of a predetermined constituent constituting the blood flowing through a human body.
Kyushu Institute Of Technology


12/03/15
20150346126 

Sensor, measuring device, and measuring method


A sensor measures a sample in a measuring cell including a helix conductor. The shell structure of the measuring cell is made of an electrically non-conductive material.
Senfit Oy


12/03/15
20150346047 

Tire pressure decrease detection apparatus and method, and computer readable medium therefor


A tire pressure decrease detection apparatus comprising: rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding front and rear right wheels and front and rear left wheels, respectively calculating time series correlations of the rotation acceleration information, and judgment means for judging a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlations exceed predetermined threshold values, the resonance frequency estimate means takes that a periodic noise from a road surface is generated in the vicinity of the torsional resonance frequency and stops estimating the torsional resonance frequency of the front and rear wheels of the side exceeding the threshold value..
Sumitomo Rubber Industries, Ltd.


11/26/15
20150338761 

Optical scanning device and image forming apparatus


An optical scanning device includes a light source configured to emit a light beam; a rotary deflector configured to perform optical scanning by reflecting and deflecting the light beam emitted from the light source while rotating; an optical system forming member configured to form a path of the light beam; and a resonator having a resonance frequency corresponding to a sound generated by rotational drive of the rotary deflector. The rotary deflector is installed in a closed space.
Ricoh Company, Limited


11/26/15
20150338437 

Intermittent contact resonance atomic force microscope and process for intermittent contact resonance atomic force microscopy


An intermittent contact atomic force microscope includes: a cantilever configured to receive a contact resonance modulation; a sample disposed proximate to the cantilever; a contact resonance modulator in communication with the cantilever and configured to provide the contact resonance modulation to the cantilever; and a scan modulator in mechanical communication with the sample to provide a scan modulation to the sample. Also disclosed is a process for performing intermittent contact atomic force microscopy, the process includes: providing a dual modulation microscope including: a cantilever configured to receive a contact resonance modulation; a sample disposed proximate to the cantilever; a contact resonance modulator in communication with the cantilever and configured to provide the contact resonance modulation to the cantilever; and a scan modulator in mechanical communication with the sample to provide a scan modulation to the sample; subjecting the cantilever to the contact resonance modulation; modulating the cantilever at a contact resonance frequency; subjecting the sample to the scan modulation; and modulating the sample at a scan modulation frequency to perform intermittent contact atomic force microscopy..
National Institute Of Standards And Technology


11/26/15
20150336207 

Electronic communications device with antenna and electromagnetic shield


An electronic communications device includes a body of semiconductor material with an integrated electronic circuit, an inductive element, and a capacitive element. The capacitive element is formed by a first electrode and a second electrode positioned between the inductive element and the integrated electronic circuit.
Stmicroelectronics S.r.l.


11/19/15
20150333539 

Wireless power transmission system


[organization] a power transmission device has a first and a second electrode (a center electrode 311 and an annular electrode 312) each having a rotationally symmetrical shape with respect to a common center axis, a first and a second connection line (connection lines 315, 316), and a first inductor to (inductor 313, 314). A power reception device has a third and a fourth electrode (center electrode 321 and annular electrode 322) each having a rotationally symmetrical shape with respect to a common center axis, a third and a fourth connection line (connection lines 325, 326), and a second inductor.

11/19/15
20150333538 

Wireless power transmission system


[organization] a power transmission device has a first and a second electrode (111, 112), a first and a second connection line (115, 116), and a first inductor (113, 114). A power reception device has a third and a fourth electrode (121, 122), a third and a fourth connection line (125, 126), and a second inductor (123, 124).



Resonance Frequency topics: Resonance Frequency, Circuit Switch, Addressing, Signal Processing, Low Frequency, Ultrasonic, Transducer, Piezoelectric, Shift Module, Frequency Band, Blood Pressure, Wireless Power, Circuit Switching, Fault Detection, Ground Fault Detection Circuit

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