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Electrical Signal patents



      
           
This page is updated frequently with new Electrical Signal-related patent applications. Subscribe to the Electrical Signal RSS feed to automatically get the update: related Electrical RSS feeds. RSS updates for this page: Electrical Signal RSS RSS


Microphone circuit and motor assembly

Knowles Electronics

Microphone circuit and motor assembly

Image sensor and image processing system

Brigates Microelectronics (kunshan)

Image sensor and image processing system

Image sensor and image processing system

Telefonaktiebolaget L M Ericsson (publ)

Receiver for optical transmission system

Date/App# patent app List of recent Electrical Signal-related patents
06/25/15
20150181410
 Remote wireless smart card, smart-card terminal unit and remote wireless smart card communication system patent thumbnailRemote wireless smart card, smart-card terminal unit and remote wireless smart card communication system
The present invention provides a remote wireless smart card comprising: a smart-card model, used to be arranged in a smart-card terminal unit for the conductive connection between the card model and the smart-card terminal unit as well as the electrical signal transfer between the smart-card terminal unit and the control module; a control module, used for parsing and analyzing the interface protocol between a smart-card terminal and the destination smart card and for executing the communication protocol with the destination smart card control equipment; and a wireless communication module, used for wireless communication via the wireless network between the remote wireless smart card and the destination smart card control equipment.. .
Simo Holdings Inc.
06/25/15
20150181349
 Microphone circuit and motor assembly patent thumbnailMicrophone circuit and motor assembly
An acoustic motor assembly includes a substrate with a diaphragm ring that is integrally formed with the substrate. The diaphragm ring forms an opening extending through the substrate.
Knowles Electronics Llc
06/25/15
20150181147
 Image sensor and image processing system patent thumbnailImage sensor and image processing system
An image sensor and an image processing system. The image sensor comprises: a cmos photosensitive array used for converting an optical signal into an electrical signal; a control signal conversion circuit used for converting into a second control signal a first control signal for driving a ccd photosensitive array to operate, the first control signal at least comprising a vertical transfer signal, a horizontal transfer signal, an electronic shutter signal and a read-out clock signal, and the second control signal at least comprising a column address signal, a row reset control signal and a row read-out control signal; a row selection circuit used for generating a row reset signal according to the row reset control signal and generating a row read-out signal according to the row read-out control signal; and a column selection circuit used for conducting column gating on the cmos photosensitive array under the control of the column address signal and outputting a column read-out signal.
Brigates Microelectronics (kunshan) Co., Ltd.
06/25/15
20150180588
 Receiver for optical transmission system patent thumbnailReceiver for optical transmission system
A method of detecting a signal in an optical receiver is described. The method includes converting a received optical signal to a digital electrical signal comprising a plurality of samples, applying a predetermined phase rotation to said samples to obtain amplitude and phase components of phase range adjusted sample values, and performing a first detection process based on the amplitude and phase components of the phase range adjusted sample values..
Telefonaktiebolaget L M Ericsson (publ)
06/25/15
20150180580
 Interconnect bridge assembly for photonic integrated circuits patent thumbnailInterconnect bridge assembly for photonic integrated circuits
A photonic transmitter, comprises a modulator driver having a first and second output ports, a photonic integrated transmitter circuit having a modulator having a first and a second input line, and a first input port electrically coupled with the first input line and a second input port electrically coupled with the second input line, and an interconnect bridge assembly, including a first termination resistor, a second termination resistor, and a substrate. An impedance-controlled transmission structure is formed in the substrate, and has: (a) an impedance control section including a first and a second signal lines electrically insulated from one another; and (b) a transmission section including a third and a fourth signal line coupled with termination resistor.
06/25/15
20150180578
 Transceiver module patent thumbnailTransceiver module
An optical/electrical signal transmission system (100) comprises a number of processing devices (106) mounted on a motherboard (104), and a number of transceiver modules (102) comprising a number of e/o engines (304), in which the transceiver modules (102) electrically couple to the processing devices (106) without interrupting the processes of the system (100).. .
06/25/15
20150180571
 Method and device for determining input optical power patent thumbnailMethod and device for determining input optical power
A method and a device for determining an input optical power are provided. The method include: after determining a bias current value of an optical amplifier unit when the optical amplifier unit amplifies a target optical signal and a voltage value output after an optical receiving unit converts the amplified target optical signal into an electrical signal, determining, according to a predetermined first correspondence that is among a bias current value, a voltage value, and an input optical power value and corresponds to a wavelength of the target optical signal, an input optical power value corresponding to the determined bias current value and the determined voltage value.
Huawei Technologies Co., Ltd.
06/25/15
20150179572
 Semiconductor device for transmitting electrical signals between two circuits patent thumbnailSemiconductor device for transmitting electrical signals between two circuits
A semiconductor device sends and receives electrical signals. The semiconductor device includes a first substrate provided with a first circuit region containing a first circuit; a multi-level interconnect structure provided on the first substrate; a first inductor provided in the multi-level interconnect structure so as to include the first circuit region; and a second inductor provided in the multi-level interconnect structure so as to include the first circuit region, wherein one of the first inductor and the second inductor is connected to the first circuit and the other of the first inductor and the second inductor is connected to a second circuit..
Renesas Electronics Corporation
06/25/15
20150179378
 Rf mems based large scale cross point electrical switch patent thumbnailRf mems based large scale cross point electrical switch
This disclosure provides systems, methods, and apparatus for providing a crosspoint switch used in an optical fiber data network. The crosspoint switch can switch optical signals received from any of a plurality of input optical fibers to any one of a plurality of output optical fibers.
Google Inc.
06/25/15
20150179158
 Accelerometer and gyroscope controlled tone effects for use with electric instruments patent thumbnailAccelerometer and gyroscope controlled tone effects for use with electric instruments
A movement actuated tone effects system is provided for manipulating the electrical signal of an electric instrument by moving the electrical instrument in relation to a set of reference axes. A movement actuated tone effects unit is positioned within the electric instrument or within an effects cartridge attached to the electric instrument via a cartridge receiver.
06/25/15
20150178959

Backprojection approach for photoacoustic image reconstruction


Various examples are provided for photoacoustic image reconstruction and processing utilizing a backprojection approach. In one example, among others, a method for producing an image with a photoacoustic imaging system includes scanning an object with a plurality of light beams, detecting a plurality of acoustic signals produced by the light beams, and generating a reconstructed image from the plurality of acoustic signals by filtered backprojection (fbp) that utilizes a weighted ramp filter.
Board Of Regents, The University Of Texas System
06/25/15
20150177662

Edge detection apparatus, image forming apparatus, and edge detecting method


An edge detection apparatus for detecting an edge of a recording medium to be conveyed includes a light source, a plurality of photoelectric conversion element pixels, and a detection unit. The light source irradiates the recording medium with light.
06/25/15
20150177501

Microscope system and image data transfer method therefor


A microscope system includes a microscope apparatus including a stage on which a sample is placed and an objective lens that collects laser light to the sample on the stage, a light source unit including a light source that emits the laser light, a scanning mechanism configured to guide the laser light from the light source unit and change a direction of the guided laser light to scan the sample on the stage, a photodetector configured to guide returned light from the objective lens of the microscope apparatus and convert the guided light into an electrical signal, a controller configured to control at least the scanning mechanism and generate image data from the electrical signal output from the photodetector, and a computer connected to the controller through a bus interface and configured to process the image data transferred from the controller through the bus interface.. .
Sony Corporation
06/25/15
20150177468

Optical connector


An optical connector is disclosed. The optical connector has a casing, a circuit structure, a lens structure and an optical transceiver element.
Delta Electronics, Inc.
06/25/15
20150177348

Biosensor, palm-sized device and method based on magnetic resonance relaxometry


In accordance with one aspect of this disclosure, there is provided a device for performing magnetic resonance relaxometry. The device comprises a radio-frequency spectrometer comprising at least one field-programmable gate array chip; a power amplifier electrically connected with the radio-frequency spectrometer and amplifying an electrical output of the radio-frequency spectrometer, thereby producing an amplified electrical signal comprising between about 0.1 watts and about 10 watts power; a duplexer configured to isolate the radio-frequency spectrometer from the amplified electrical signal during a receiving mode of the device; a radio-frequency detection probe configured to transmit radio-frequency electromagnetic radiation to excite nuclei under resonance during a transmission mode of the device, the radio-frequency detection probe comprising a detection coil comprising an inner diameter of less than about 1 millimeter; and at least one magnet supplying an external magnetic field to a detection region of the radio-frequency detection probe, the external magnetic field being less than about 3 tesla..
Massachusetts Institute Of Technology
06/25/15
20150176399

Method and acoustical power transfer and communication


Systems and methods for transmitting power and information using acoustic energy are provided. The systems have particular application for powering and communication with electronics through drilling and pipe systems.
Rensselaer Polytechnic Institute
06/25/15
20150176049

Determining usability of analytical test strip


A system for determining usability of an analytical test strip includes a sample chamber to receive a fluid sample, a reagent in the sample chamber having a moisture-varying impedance, and two detection electrodes contacting the reagent. A test meter applies an ac waveform across the reagent via the detection electrodes while measuring an impedance of the reagent.
Cilag Gmbh International
06/25/15
20150174423

Optimising current direction and intensity of transcranial magnetic stimulation


A method of optimising transcranial magnetic stimulation is described. An electrical signal is applied to a coil to generate one or more magnetic field pulses for transcranial magnetic stimulation of a target cortical region of a patient.
Monash University
06/25/15
20150174400

Swallowable capsule and stimulating incretin production within the intestinal tract


Embodiments of the invention provide apparatus and methods for stimulating l cells in the intestinal tract to produce incretins for the treatment of conditions including diabetes and obesity. Many embodiments provide a method and apparatus for the treatment of diabetes by electrically stimulating l-cells to secrete incretins to stimulate or otherwise modulate the production of insulin.
Incube Labs, Llc
06/25/15
20150173631

Heart rate data collection


One innovative aspect is directed to heart rate data collection. In some implementations, a circuit includes a light detector for generating a first electrical signal based on received light.
Fitbit, Inc.
06/18/15
20150172823

Acoustic generator, acoustic generation device, and electronic device


An acoustic generator according to an aspect of an embodiment includes a piezoelectric element (exciter), a vibrating body. The piezoelectric element receives an input of an electrical signal and is caused to vibrate.
Kyocera Corporation
06/18/15
20150172459

Method, apparatus and system for detecting in-position state of telephone set user


A method for detecting an in-position state of a telephone set user, the method includes: converting, by the infrared sensor, an infrared light signal within a detection range of the infrared sensor into an electrical signal and transmitting the electrical signal to a comparator; comparing, by the comparator, the voltage of the electrical signal with a minimum sensible voltage when there is a person on the user seat of the telephone set and the body of the person is stationary; and if it is detected within a preset length of time that the voltage of the electrical signal is greater than the minimum sensible voltage, determining that the telephone set user is in position; and if it is not detected within the preset length of time that the voltage of the electrical signal is greater than the minimum sensible voltage, determining that the telephone set user is not in position.. .
Huawei Technologies Co., Ltd.
06/18/15
20150171974

Communications for wireless power transfer


A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver.
Ubeam, Inc.
06/18/15
20150171961

Optical transceiver with variable data rate and sensitivity control


An optical communications system includes a modulator/demodulator (modem) to transmit outgoing communications data and to receive incoming communications data in a transceiver. A main detector is coupled to the modem to convert an optical signal representing the incoming communications data to an electrical signal for the modem.
Northrop Grumman Systems Corporation
06/18/15
20150171904

Systems and methods for dampening tdma interference


Systems and methods are disclosed which relate to mitigating the detrimental effects of interference to electronic devices from mobile telephones utilizing any form of time-domain multiplexing technology. A wireless transmitter inside the mobile telephone broadcasts a warning transmission which can be received by affected devices.
At&t Mobility Ii Llc
06/18/15
20150171880

Electric signal conversion


In one aspect, an electrical signal converter is disclosed. The exemplary electrical signal converter may include a plurality of ordered converter elements.
Analog Devices Technology
06/18/15
20150171816

Balun


There is disclosed a balun for dividing an input electrical signal to produce first and second output electrical signals which are substantially out of phase, the balun including: an input port for receiving the input electrical signal; an input line for coupling the input electrical signal to a slotline; and an output line for coupling the first and second output electrical signals to, respectively a first output port and a second output port, the output line having a junction with the slotline; wherein the slotline couples the input electrical signal to the junction, and the junction acts as a divider to produce the first and second electrical signals; in which at least one of the input line, slotline and output line has a width and a length wherein the width varies over the length.. .
Bae Systems Plc
06/18/15
20150171015

Integrated circuit package with embedded bridge


Embodiments of the present disclosure are directed towards an integrated circuit (ic) package having first and second dies with first and second input/output (i/o) interconnect structures, respectively. The ic package may include a bridge having first and second electrical routing features coupled to a portion of the first and second i/o interconnect structures, respectively.
06/18/15
20150170979

Apparatuses and methods for die seal crack detection


Apparatuses and methods can include a die seal between an integrated circuit region of a die and a periphery of the die. A via chain(s) may be arranged around an inner circumference of the die seal between the die seal and the integrated circuit region and/or around an outer circumference of the die seal between the die seal and the periphery of the die.
Micron Technology, Inc.
06/18/15
20150170628

Stringed instrument


A stringed instrument includes a body, a string, a string exciting device and a bridge. The body supports the string, the string exciting device and the bridge.
06/18/15
20150170627

Vacuum tube amplification unit


A vacuum tube amplification unit for use with electric instruments that allows for reduced or eliminated signal loss before the electrical signal of the instrument is amplified. The vacuum tube amplification unit includes an amplifier cartridge having an amplification circuit.
06/18/15
20150170484

Systems and methods for sensing and identifying information handling resources in a disaggregated server


In accordance with embodiments of the present disclosure, a method may include, in a chassis comprising a plurality of slots each configured to receive a module and electrically and communicatively couple the module to other components of the chassis, receiving an electrical signal indicative of a user interaction with an interface button integral to a first module received in one of the plurality of slots. The method may also include, responsive to the signal, causing display, from a respective visual indicator from each of one or more other modules which are a part of the same computing system as the first module, of a visual indication that the module having the visual indicator is part of the same computing system as the first module..
Dell Products L.p.
06/18/15
20150169086

Sensor system for detecting a movement of an infrared light source


A sensor system for detecting motion in a predefined direction of motion (30) of an infrared light source (29) has at least one pair of infrared light sensors (4, 5; 36, 37), which are arranged side by side with respect to the direction of motion (30) and, thus, define a sensor coverage zone (17) determined by the distance between distal ends (16) (with respect to the direction of motion) of the infrared light sensors. During exposure to the infrared light source, the sensors provide electrical signals, the charge signs of which are opposite each other, for detecting the motion of the infrared light source (29).
Pyreos Ltd.
06/18/15
20150169058

Touch and haptics device


There is provided a method of generating a desired haptic sensation and providing a desired touch sensitivity in a touch sensitive device, the touch sensitive device comprising a touch sensitive member and at least one transducer connected to the touch sensitive member, the method comprising: processing electrical signals to be applied to one or more of said at least one transducer connected to the touch sensitive member by applying appropriate algorithms to provide the desired haptic sensation; and processing electrical signals from one or more of said at least one transducer connected to the touch sensitive member by applying the said appropriate algorithms to generate output signals to provide the desired touch sensitivity.. .
Nvf Tech Ltd
06/18/15
20150168564

Scintillating fiber dosimeter for magnetic resonance imaging enviroment


An x-ray detector for use in the presence of magnetic resonance imaging equipment provides a two-stage transmission path of optical fiber followed by a non-ferromagnetic shielded cable to displace measurement electronics outside of the concentrated magnetic and radiofrequency fields of the mri device. Conversion from light to an electrical signal for this transmission path is provided by circuitry held in a non-ferromagnetic faraday cage.
Standard Imaging, Inc.
06/18/15
20150168482

Configurable test equipment


An electronic component test device capable of testing electronic components in a plurality of test configurations. The device includes a probe head for providing a plurality of probe contact structures to an electronic component to be tested.
06/18/15
20150168454

Probe module


A probe module, which is provided between a tester and a dut for transmitting electrical signals therebetween, includes a pcb, a plurality of probes, a positioning member, and a signal connector. The pcb has a circuit and two grounding.
Mpi Corporation
06/18/15
20150168453

Probe module


A probe module, which is provided between a tester and a dut for transmitting electrical signals therebetween, includes a signal transmitting member, a plurality of probes, a positioning member, and a signal connector. The signal transmitting member has a circuit and two grounding.
Mpi Corporation
06/18/15
20150168447

Probe module


A probe module, which is provided between a tester and a dut for transmitting electrical signals therebetween, includes a signal transmitting member, a plurality of probes, a positioning member, and a signal connector. The signal transmitting member has a circuit and two grounding.
Mpi Corporation
06/18/15
20150168324

Method for determining thermal conductivity and thermal diffusivity of materials


Electrical signals corresponding to initial temperatures of surfaces of a sample under study and of at least two reference samples with known thermal conductivity and thermal diffusivity are registered. The surfaces of the samples under study and of the reference samples are heated by an optical heating source and electrical signals corresponding to temperatures of the heated surfaces of the samples under study and of the reference samples along a heating line and also along a line parallel to the heating line and spaced by a distance therefrom are registered.
Schlumberger Technology Corporation
06/18/15
20150168317

Radiometric density profile measuring arrangement


A radiometric density profile measuring arrangement for determining a density profile of a bulk material located in a container comprising a multitude of radiation sources and a detection unit for detecting radioactive radiation with a scintillator to generate radiation-induced light flashes, a photosensitive element for generating an electrical signal based on said light flashes, and measuring electronics for processing the electrical signal, with the scintillator being embodied in an oblong fashion.. .
Vega Grieshaber Kg
06/18/15
20150168246

Valve signature diagnosis and leak test device


A valve signature diagnosis and leak testing device includes a spool valve operatively connected to a pilot valve, the pilot valve being configured to position the spool valve to one of an open position and a closed position. A blocker valve is fluidly connected to a control fluid outlet of the spool valve.
General Equipment And Manufacturing Company, Inc. D/b/a Topworx, Inc.
06/18/15
20150168133

Method for analyzing nested optical cavities


An optical sensor apparatus illuminates nested optical cavities by a broadband light source, such as a tunable laser. A composite interference signal is obtained from light reflected from the nested optical cavities, partial interference spectra are recovered from the composite interference signal, cavity depths are measured based on the partial interference spectra, and electrical signals are provided based on the final measured cavity depths..
Petrospec Engineering Ltd.
06/18/15
20150168126

System and optical coherence tomography


A system for optical coherence tomography (oct) is disclosed. The system comprises an optical interferometer apparatus configured to split an optical beam into a reference beam directed to a reference reflector and a sample beam directed to a sample, and to combine a reflected beam from the reference reflector with a returning beam from the sample to form a combined optical signal.
Technion Research & Development Foundation Limited
06/18/15
20150167450

Safety signals


A subsea system comprises a multiplicity of subsea installations (m-1 . .
Aker Subsea Limited
06/18/15
20150165989

Electric circuit for cutting off an electric power supply having transistors and fuses


The invention relates to an electric circuit suitable for cutting off an electric power supply of an electrical device, said electric circuit receiving as input at least two discrete electrical signals, the values of which condition the power supply of the electrical device, the discrete electrical signals having a high state if the electrical device needs to be supplied: the electric circuit including a voltage source; a first cut-off unit connected between the electrical device and the voltage source, the first cut-off unit having an open or closed state in accordance with the discrete electrical signals; a second cut-off unit connected to the intersection between the electrical device and the first cut-off unit, and to an earth line, the second cut-off unit having a state that complements the first cut-off unit if the discrete electrical signals are in identical states, said first and second cut-off units being controlled such as to generate a short-circuit in the event of a divergence between the discrete electrical signals.. .
Sagem Defense Securite
06/18/15
20150164731

Wearable robot and controlling the same


There is provided a method of controlling a wearable robot. The method includes measuring an electrical signal from a scalp of a wearer, estimating a current walking speed of the wearer using the measured electrical signal, and outputting assistive torque which allows the estimated current walking speed to approximate a target walking speed..
Samsung Electronics Co., Ltd.
06/18/15
20150164425

Sensor means for detection of bioelectrical signals


Sensor means for detection of bioelectrical signals, in particular, for implantation into or onto a brain wherein the sensor means comprises a first number of electrodes which can be coupled to a biological organism, in particular, to neural cells of a nervous system for tapping a first plurality of electrical potentials at the biological organism. According to the invention, the sensor means comprises means for providing an averaged electrical reference potential.
Albert-ludwigs-universität Freiburg
06/18/15
20150164340

Enhanced auscultatory sensor and analysis for patient diagnosis


In general, techniques and systems for detecting acoustic signals and generating phonocardiograms are described. In one example, a system may include an acoustic sensor configured to detect an acoustic signal from a heart of a patient.
3m Innovative Properties Company
06/11/15
20150163577

Low noise differential microphone arrays


A differential microphone array (dma) is provided that includes a number (m) of microphone sensors for converting a sound to a number of electrical signals and a processor that is configured to apply linearly-constrained minimum variance filters on the electrical signals over a time window to calculate frequency responses of the electrical signals over a plurality of subbands and sum the frequency responses of the electrical signals for each subband to calculate an estimated frequency spectrum of the sound.. .
Northwestern Polytechnical University
06/11/15
20150162991

Receiver for coherent optical transport systems based on analog signal processing and method thereof


The present invention discloses a receiver for coherent optical transport systems based on analog signal processing and the method of recovering transmitted data by processing signals in electronic domain. In the present invention, high-speed electrical signals obtained from optical-to-electrical converters which carry transmitted data information in a coherent transport system are jointly processed in analog domain itself without converting these signals to the digital domain using high speed adcs.
06/11/15
20150162692

Electrical connection system


An electrical connection system configured to terminate electrical connectors and to transmit digital electrical signals having a data transfer rate of 5 gigabits per second (gb/s) or higher. The system includes a first parallel mirrored pair of terminals having a planar connection portion and a second pair of parallel mirrored terminals having a cantilever beam portion and a contact points configured to contact the first terminals.
Delphi Technologies, Inc.
06/11/15
20150162313

Interconnect structures with polymer core


Embodiments of the present disclosure are directed towards techniques and configurations of interconnect structures having a polymer core in integrated circuit (ic) package assemblies. In one embodiment, an apparatus includes a first die having a plurality of transistor devices disposed on an active side of the first die and a plurality of interconnect structures electrically coupled with the first die, wherein individual interconnect structures of the plurality of interconnect structures have a polymer core, and an electrically conductive material disposed on the polymer core, the electrically conductive material being configured to route electrical signals between the transistor devices of the first die and a second die.
Intel Corporation
06/11/15
20150161929

Trace structure for improved electrical signaling


A trace to be coupled to an input of a receiver, the trace including: a plurality of first portions; and a plurality of second portions alternately coupled in series with the first portions, the second portions having a width that is different from that of the first portions.. .
Samsung Display Co., Ltd.
06/11/15
20150160422

Optical communication module and optical communication device


An optical communication module is composed of a photoelectric conversion element to transduce an optical signal into an electrical signal or an electrical signal into an optical signal, an optical fiber including an end and being optically coupled to the photoelectric conversion element, a receiving member including an outer surface and receiving the end of the optical fiber and the photoelectric conversion element, and a plurality of electrodes protruded from the outer surface of the receiving member and aligned in a straight line. The optical fiber is drawn from the outer surface of the receiving member and in an oblique direction relative to a direction of the alignment of the plurality of electrodes..
Hitachi Metals, Ltd.
06/11/15
20150160421

Optical-electrical hybrid module


There is provided an optical-electrical hybrid module including a substrate on which a plurality of optical communication modules are arranged, the plurality of optical communication modules transmitting or receiving an optical signal through an optical fiber cable and performing conversion between the optical signal and an electrical signal. A shield case covering the optical communication modules includes a surface inclined in a direction away from a position in which the optical fiber cable is mounted to each optical communication module..
Sony Corporation
06/11/15
20150160282

A partial discharge detection apparatus and method


A partial discharge detection apparatus, includes: a support structure and a first antenna configured to receive electromagnetic signals at least partially associated with partial discharges of an electric object and generate a first electrical signal, the first antenna having a first receiving effective area for first receiving directions and a second antenna configured to receive electromagnetic noise signals and generate a second electrical signal, the first and second antennas being arranged to cause the second antenna to have a second receiving effective area for the first receiving directions smaller than the first receiving effective area. The apparatus further includes a first processing module configured to generate from the first and second electrical signals a difference electrical signal representing a difference between the first electrical signal and the second electrical signal..
06/11/15
20150160120

Optical microscopy systems based on photoacoustic imaging


The present application discloses optical microscopy systems and related method that use modulation techniques and contrast agents to enable the systems to detect nonlinear photoacoustic signals with high spectrum sensitivity and frequency selectivity for imaging. A laser beam is amplitude modulated for pure sinusoidal modulation using either the loss modulation technique or the single light amplitude modulation technique.
National Taiwan University
06/11/15
20150159991

Oct device


Provided is an oct device capable of restraining degradation of oct image quality and cost increase of parts and generating a scan trigger signal. The oct device of the present invention comprises: a light source for outputting laser light having oscillation wavelength and output power both changing with time; an interference optical system, in which first laser light output from the light source is divided, into measurement light and reference light such that the measurement light is output so as to irradiate the object and the reference light is caused to pass through a reference light path, and the measurement light back-scattered from the object and the reference light having passed through the reference light path are combined to be output, the transmissivity of the interference optical system having a wavelength dependence opposite to the wavelength dependence of the first output power of the light source; and an oct photodetector for generating an oct electrical signal with a value according to interference light intensity by detecting interference light which is a combination of the reference light and the measurement light outputted from the interference optical system..
Sumitomo Electric Industries, Ltd.
06/11/15
20150158590

Aircraft occupant restraint pretensioning devices, systems and methods


Occupant restraint systems for use with aircraft occupant restraint systems and other restraint systems, and associated devices and methods are disclosed herein. In one embodiment, an occupant restraint system can include a flexible web configured to extend across at least a portion of a lap of an occupant positioned on a seat of an aircraft, and an electronically-actuated pretensioner operably coupled to an end portion of the web.
Amsafe, Inc.
06/11/15
20150158586

Systems and tether termination mount for tethered aerial vehicles


Wind energy systems, such as an airborne wind turbine (“awt”), may be used to facilitate conversion of kinetic energy to electrical energy. An awt may include an aerial vehicle that flies in a path to convert kinetic wind energy to electrical energy.
Google Inc.
06/11/15
20150158585

Systems and tether termination mount for tethered aerial vehicles


Wind energy systems, such as an airborne wind turbine (“awt”), may be used to facilitate conversion of kinetic energy to electrical energy. An awt may include an aerial vehicle that flies in a path to convert kinetic wind energy to electrical energy.
Google Inc.
06/11/15
20150157820

Location determining endotracheal tube and methods


An embodiment of a system for aiding in the proper placement of an endotracheal tube in the trachea of a patent comprises an endotracheal tube having a proximal region and a distal region, the distal region including an electrode. In addition, the endotracheal tube comprises a control unit coupled to the electrode to differentiate proper placement of the endotracheal tube in the patient's trachea from improper placement of the endotracheal tube in the patient's esophagus based on a sensed electrical signal from the electrode..
Texas Heart Institute
06/11/15
20150157402

Ablation catheter


Devices, systems and methods are disclosed for the mapping of electrical signals and the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly.
Medtronic Ablation Frontiers Llc
06/11/15
20150157291

Electronic stethoscope


Provided is an electronic stethoscope pick-up head comprising an acousto-electrical transducer disposed in a chamber, the transducer being configured to generate an electrical signal representing acoustical vibrations, wherein the chamber further comprises a sound influencing bell defining a cavity to provide air communication between the transducer and a diaphragm attached to an outer end of the bell, wherein the diaphragm is acoustically decoupled from the transducer; and one or more ventilation air path as the only means to provide air communication between the cavity and outside of the chamber, wherein the air path is configured to restrict air flow through the air path.. .
Elegant Medical Llc
06/11/15
20150157248

Membrane for use with implantable devices


The present invention provides a biointerface membrane for use with an implantable device that interferes with the formation of a barrier cell layer including; a first domain distal to the implantable device wherein the first domain supports tissue attachment and interferes with barrier cell layer formation and a second domain proximal to the implantable device wherein the second domain is resistant to cellular attachment and is impermeable to cells. In addition, the present invention provides sensors including the biointerface membrane, implantable devices including these sensors or biointerface membranes, and methods of monitoring glucose levels in a host utilizing the analyte detection implantable device of the invention.
Dexcom, Inc.
06/11/15
20150157237

Nerve monitoring during electrosurgery


A signal processing module includes an input module electronically coupled to a sensing probe of a nerve integrity monitoring system. The probe senses electrical signals from a patient during operation of an electrosurgical unit.
Medtronic Xomed, Inc.
06/11/15
20150157219

Bioimpedance sensor array for heart rate detection


Exemplary embodiments provide a bioimpedance sensor array for use in fluid flow detection applications, such as heart rate detection. Aspects of the exemplary embodiment include determining an optimal sub-array in a bioimpedance sensor array comprising more than four bioimpedance sensors arranged on a base such that the sensor array straddles or otherwise addresses a blood vessel when worn by a user; passing an electrical signal through at least a first portion of the bioimpedance sensors in the optimal sub-array to the user; measuring one or more bioimpedance values from the electrical signal using a second portion of the bioimpedance sensors in the optimal sub-array; and analyzing at least a fluid bioimpedance contribution from the one or more bioimpedance values..
Samsung Electronics Co., Ltd.
06/04/15
20150156828

Systems that include microwave adaptors and methods of their operation


Systems and methods for translating an oscillating electrical signal from a first impedance to an input impedance of a load include an adaptor that further includes at least one coaxial portion and an antenna portion. The at least one coaxial portion has a first end and a second end, and is configured to translate the oscillating electrical signal to the input impedance of the load.
Freescale Semiconductor, Inc.
06/04/15
20150156184

Physics-based authentication


In some examples, a controller is configured to generate a key based on a physics-based output of a component. The controller may, for example, use the key to authenticate communication between at least two nodes, to encrypt data, or to decrypt data.
Honeywell International Inc.
06/04/15
20150155952

Method and related coherent optical transmission


In order to provide very fast tuning of an coherent optical receiver, an apparatus for use in optical telecommunications includes a coherent optical receiver with a converter stage adapted to convert a received optical signal to an electrical signal by down-converting the received optical signal in frequency using a local oscillator signal, an analog/digital converter stage adapted to sample the converted signal, a digital processor adapted to process the sampled signal to restore a transmitted data signal, and a wavelength selector adapted to select from a distribution network an unmodulated light signal at a configurable wavelength for use as the local oscillator signal. The distribution network is an optical bus system in the form of a fiber ring..
Alcatel Lucent
06/04/15
20150155948

Receiving apparatus and method, sending apparatus and method, front-end circuit, modulator, and transceiving system


A receiving apparatus and method, a sending apparatus and method, a front-end circuit, a modulator, and a transceiving system are provided. The sending apparatus includes: a double-sideband ofdm modulator, configured to perform double-sideband ofdm modulation on a bit sequence of service data to obtain a double-sideband ofdm analog electrical signal, where the double-sideband ofdm analog electrical signal carries the service data on both positive and negative sidebands, and an iqmz, configured to perform optical carrier modulation on the double-sideband ofdm analog electrical signal to obtain a double-sideband ofdm optical signal, where the double-sideband ofdm optical signal carries the service data on both positive and negative sidebands.
Huawei Technologies Co., Ltd.
06/04/15
20150155946

Optical pam modulation with dual drive mach zehnder modulators and low complexity electrical signaling


The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using pam format(s) over optical communication networks.
Inphi Corporation


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