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Piezo patents



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


Physical means and methods for inducing regenerative effects on living tissues and fluids

Piezoelectric motor, liquid ejecting apparatus, and clock

Method and arrangement for operating a dynamic nano focusing system

Date/App# patent app List of recent Piezo-related patents
07/17/14
20140199757
 Atomic layer deposition inverted passivated surface acoustic wave sensor for early detection of biofilm growth patent thumbnailAtomic layer deposition inverted passivated surface acoustic wave sensor for early detection of biofilm growth
A surface acoustic wave (saw) biofilm sensor includes a transmitting electric to acoustic wave transducer defining an upper surface and a lower surface, a receiving acoustic wave to electric transducer defining an upper surface and a lower surface, a piezoelectric film layer defining an upper surface and a lower surface, and a passivation film layer defining an upper surface and a lower surface. Portions of the lower surface of the piezoelectric film layer are disposed on the upper surface of the transmitting electric to acoustic wave transducer and on the upper surface of the receiving acoustic wave to electric transducer, and the lower surface of the passivation film layer is disposed on the upper surface of the piezoelectric film layer such that the upper surface of the passivation film layer is configured to enable contact with a biofilm..
07/17/14
20140199756
 Physical means and methods for inducing regenerative effects on living tissues and fluids patent thumbnailPhysical means and methods for inducing regenerative effects on living tissues and fluids
The present invention discloses a system for the administration of a plasma modified field (pmf) to a subject comprising: (a) a non thermal plasma (ntp) emitting source for emitting a plasma beam; (b) a plasma modified field coupling mechanism (pmfcm) comprising a plasma beam dish having at least one opening for the passage of said plasma beam; said plasma beam dish having a first surface and a second opposite surface; and (c) a controller for controlling said pmfcm. In a main aspect of the invention, said first surface of said plasma beam dish is mounted with: (i) at least one coupling element selected from the group consisting of: (1) at least one ferroelectric element for providing said field; (2) at least one ferromagnetic element for providing said field; (3) at least one piezoelectric element for providing said field; and (4) at least one piezomagnetic element for providing said field; and (ii) at least one reflecting element.
07/17/14
20140198626
 Piezoelectric motor, liquid ejecting apparatus, and clock patent thumbnailPiezoelectric motor, liquid ejecting apparatus, and clock
A piezoelectric motor includes a piezoelectric element having a piezoelectric layer, and a first and a second electrodes, the first electrode provided on one surface side of the piezoelectric layer, and the second electrode provided on the other surface side of the piezoelectric layer; a piezoelectric actuator having a vibrating member anchored to the first electrode of the piezoelectric element; and a rotational shaft with which the vibrating member makes contact and is rotated thereby. The piezoelectric layer includes a vertical vibration excitation region, provided toward the center of the piezoelectric layer in the widthwise direction, that elicits vertical vibrations, and two groups of bending vibration excitation regions, one group disposed on either side of the vertical vibration excitation region so that two opposing diagonal pairs are formed; and the polarization direction of the vertical vibration excitation region and one of the groups of the bending vibration excitation regions in the piezoelectric layer is inverted relative to the other group of the bending vibration excitation regions..
07/17/14
20140198381
 Method and arrangement for operating a dynamic nano focusing system patent thumbnailMethod and arrangement for operating a dynamic nano focusing system
The invention relates to a method and to an arrangement for operating a dynamic nano focusing system for use thereof in the field of microscopy, interferometry or similar applications, wherein the nano focusing system comprises a lever-transmission piezo actuator and a frictionless guide based on a resiliently deformable solid body joint which is connected to a mounting unit, in particular for a lens, in order to implement the desired adjustment paths for the focusing. According to the invention, in order to increase the dynamics during the focusing process, a secondary fine adjustment movement is superimposed on the primary adjustment movement, said secondary fine adjustment movement having a smaller adjustment path but higher frequency than the primary adjustment movement, wherein, when the fine adjustment is carried out, a determination is made as to whether the focusing result changes, in order to specify according thereto the amount and/or the direction of the primary adjustment movement..
07/17/14
20140198373
 Reflective color display patent thumbnailReflective color display
A reflective color display is disclosed. A substrate supports a first conductor layer and pixel wells.
07/17/14
20140198260
 Electronic device having a projector function and a vibrating mirror element patent thumbnailElectronic device having a projector function and a vibrating mirror element
A vibrating mirror element includes a mirror part that reflects light and is tiltable around a rotation axis, a first deformable coupling beam and a second deformable coupling beam connected respectively to a first mirror end portion and a second mirror end portion of the mirror part positioned on an intersection line that intersects the rotation axis, and a first drive part and a second drive part that each include a piezoelectric element that deforms by voltage application, the first drive part and a second drive part connected respectively to the first deformable coupling beam and the second deformable coupling beam.. .
07/17/14
20140198259
 Electronic device having a projector function and a vibrating mirror element patent thumbnailElectronic device having a projector function and a vibrating mirror element
A vibrating mirror device includes a mirror portion, a driving portion including a detecting electrode that detects an amount of deformation of a piezoelectric element when driving the mirror portion by applying a voltage to cause the piezoelectric element to deform, an insulating layer formed on a top face of the piezoelectric element, and a first lead interconnection that is formed on the top face of the insulating layer, that contacts the detecting electrode, and that extends to a region outside of the driving portion.. .
07/17/14
20140198095
 Electronic device having a projector function and a vibrating mirror element patent thumbnailElectronic device having a projector function and a vibrating mirror element
A vibrating mirror element includes a mirror portion that reflects light and is tiltable around a rotational axis, a tiltable frame portion connected to a mirror end portion of the mirror portion at a position on an intersecting line that intersects with the rotational axis, a driving portion that includes a piezoelectric element that deforms through application of a voltage, and a connecting portion that connects the frame portion and the driving portion and is tiltable through deformation of the piezoelectric element of the driving portion. The frame portion can be tilted by tilting the connecting portion, and the mirror portion can be tilted by tilting the frame portion..
07/17/14
20140198072
 In-pixel ultrasonic touch sensor for display applications patent thumbnailIn-pixel ultrasonic touch sensor for display applications
A video display is provided with a planar piezoelectric transmitter to transmit ultrasound signals, and a display panel including a plurality of pixels. Each pixel has a data interface to accept a video signal with a variable voltage associated with a range of light intensity values, and to supply a touch signal with a variable voltage derived from a range of reflected ultrasound signal energies.
07/17/14
20140197898
 High sensitivity micro-piezoelectric tunable resonator patent thumbnailHigh sensitivity micro-piezoelectric tunable resonator
A highly sensitive micro-piezoelectric tunable resonator element and device that uses a tapered transition region from the actuator and sensor elements to the resonator beam to permit maximum mechanical energy transfer to the beam. A dual-resonator beam embodiment with a shared tuning element is provided in an alternative embodiment..
07/17/14
20140197850
Piezoelectric sensor for the detection and characterization of at least one biochemical element
A piezoelectric sensor for the detection and characterization of at least one biochemical element in a fluid, has a piezoelectric substrate exhibiting at each of its opposite faces at least one conducting surface forming electrodes, the electrodes being linked to an electrical generator, one at least of the surfaces being wrapped in a functionalized film, the electrodes form transmission lines exhibiting a zone constituting an induction loop for the excitation of the piezoelectric substrate, the link between the electrodes and the generator being ensured by inductive coupling. A system implementing such a sensor, as well as applications of such a sensor, are described..
07/10/14
20140195103
Energy harvesting power output measurement apparatus and methods for cycling
The present teachings provide apparatus and methods for measuring the power output of a person, such as a cyclist. According to various embodiments, while measuring the power output, the present teachings provide for the harvesting of the input energy to provide electrical power to the apparatus.
07/10/14
20140194673
Piezoelectric-based, self-sustaining artificial cochlea
Piezoelectric transducer arrays and methods of making the same are discussed. Such an array can include a piezoelectric film comprising a plurality of segments.
07/10/14
20140192628
Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled timepiece
A piezoelectric vibrating piece includes a pair of vibrating arm portions, a base portion which is arranged between a pair of vibrating arm portions, and connecting portions which connect proximal end portions of a pair of vibrating arm portions and a proximal end portion of the base portion. Narrow width portions are provided at the base of the base portion..
07/10/14
20140192625
Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled timepiece
A piezoelectric vibrating piece includes a pair of vibrating arm portions which are arranged with a center axis interposed therebetween, a base portion which is arranged between a pair of vibrating arm portions and fixed to the outside, and a pair of connecting portions which connect proximal end portions of a pair of vibrating arm portions and a proximal end portion of the base portion. The distance between distal end portions of the vibrating arm portions and the center axis is smaller than the distance between the proximal end portions of the vibrating arm portions and the center axis..
07/10/14
20140192437
Head rotator assembly for tape drive
A head rotator assembly (22) for positioning a head (20) of a tape drive (10) relative to a storage tape includes a head supporter (230) and a supporter mover assembly (232). The head supporter (230) is coupled to and supports the head (20).
07/10/14
20140192118
Piezoelectric inkjet die stack
A piezoelectric inkjet die stack includes a circuit die stacked on a substrate die, a piezoelectric actuator die stacked on the circuit die, and a cap die stacked on the piezoelectric actuator die. Each die in succession from the circuit die to the cap die is narrower than the previous die..
07/10/14
20140192105
Piezoelectric element drive method and liquid ejecting device
Liquid is forced to be ejected from a liquid chamber as a drive voltage is applied to the piezoelectric element that forms part or all of the walls of the liquid chamber by means of a drive circuit to deform the piezoelectric element. The drive circuit applies a pre-drive voltage to the piezoelectric element prior to the application of the drive voltage waveform for driving the piezoelectric element.
07/10/14
20140191826
Piezoelectric thin film resonator and filter
A piezoelectric thin film resonator includes: a substrate; a piezoelectric film located on the substrate; a lower electrode and an upper electrode located to sandwich the piezoelectric film; a load film formed from patterns in a resonance region in which the lower electrode and the upper electrode face each other across the piezoelectric film, wherein the patterns are formed so as to surround a center of the resonance region and intersect with a pathway extending from the center to an outer periphery of the resonance region.. .
07/10/14
20140191730
Converter and method for extracting maximum power from piezo vibration harvester
A system (1-2) for efficiently transferring harvested vibration energy to a battery (6) includes a piezo harvester (2) generating an ac output voltage (vp(t)) and current (ipz(t)) and an active rectifier (3) to produce a harvested dc voltage (vhrv) and current (ihrv) which charge a capacitance (c0). An enable circuit (17) causes a dc-dc converter (4) to be enabled, thereby discharging the capacitance into the converter, when a comparator (a0,a1) of the rectifier which controls switches (s1-s4) thereof detects a direction reversal of the ac output current (ipz(t)).
07/10/14
20140191622
Piezoelectric component and method for producing a piezoelectric component
A piezoelectric component (1), which serves particularly as a piezoelectric sensor or piezoelectric actuator, comprises a basic body (6) which has a first ceramic layer (7), a second ceramic layer (8) and an internal electrode layer (9). In this case, the internal electrode layer (9) is provided at least partially between the first ceramic layer (7) and the second ceramic layer (8).
07/10/14
20140191621
Piezoelectric component and method for producing a piezoelectric component
A piezoelectric component (1), which serves in particular as a piezoelectric sensor or a piezoelectric actuator, comprises a main body (2). The main body (2) has a first ceramic layer (15), a second ceramic layer (16) and an inner electrode layer (17).
07/10/14
20140191620
Piezoelectric component and method for producing a piezoelectric component
An electrically conductive contact layer (4) is provided with a joining material (9) during a method for producing a piezoelectric component (1), in particular a piezoelectric sensor (1). To this end, the electrically conductive contact layer (4) can be dipped into a paste that serves to form the joining material (9).
07/10/14
20140191619
Piezoelectric device and method for manufacturing piezoelectric device
In a method of manufacturing a piezoelectric device, among a +c plane on a +z axis side of a piezoelectric thin film and a −c plane on a −z axis side of the piezoelectric thin film, the −c plane on the −z axis side of the piezoelectric thin film is etched. Thus, −z planes of the piezoelectric thin film on which epitaxial growth is possible are exposed.
07/10/14
20140191618
Poling treatment method, plasma poling device, piezoelectric body and manufacturing method thereof, film forming device and etching device, and lamp annealing device
A plasma poling device includes a holding electrode (4) which is disposed in a poling chamber (1) and holds a substrate to be poled (2), an opposite electrode (7) which is disposed in the poling chamber and disposed facing the substrate to be poled held on the holding electrode, a power source (6) electrically connected to one electrode of the holding electrode and the opposite electrode, a gas supply mechanism supplying a plasma forming gas into a space between the opposite electrode and the holding electrode, and a control unit controlling the power source and the gas supply mechanism. The control unit controls the power source and the gas supply mechanism so as to form a plasma at a position facing the substrate to be poled and to apply a poling treatment to the substrate to be poled..
07/10/14
20140191616
Mems switch
A mems switch has fixed support, a plate-shaped flexible beam having at least one end immovably supported by the fixed support and having an extending movable surface, a movable electric contact disposed on the movable surface of the flexible beam, a fixed electric contact facing the movable electric contact and disposed at a fixed position relative to the fixed support, first piezoelectric driver disposed above the movable surface of the flexible beam, extending from a portion above the fixed support towards the movable electric contact, and capable of displacing the movable electric contact towards the fixed electric contact by voltage driving, and second piezoelectric driver disposed at least on the movable surface of the flexible beam and capable of so driving a movable part of the flexible beam by voltage driving that the movable electric contact is separated from the fixed electric contact.. .
07/10/14
20140191221
Piezoelectric pressure sensor
Replacement sheet. .
07/10/14
20140191062
Liquid ejection head and liquid ejection apparatus
Provided is a liquid ejection head, including a pressure chamber in which a liquid flows, at least a part of a wall surface of the pressure chamber being formed of a piezoelectric member; an ejection orifice for ejecting the liquid in the pressure chamber pressurized by deformation of the piezoelectric member; a temperature control liquid flow path in which a temperature control liquid flows, the temperature control liquid flow path being provided independently from the pressure chamber and formed so as to be adjacent to the pressure chamber via the wall surface of the pressure chamber, at least a part of a wall surface of the temperature control liquid flow path being formed of the piezoelectric member; and a circulation liquid flow path communicating with the temperature control liquid flow path, for circulating the temperature control liquid.. .
07/10/14
20140190267
Fastener tension monitoring system
The fastener tension monitoring system provides for automatic notification when a structural tensile fastener, such as a bolt, is loosened. The system incorporates piezoelectric material in the core of the fastener shank or deposited around the shank.
07/10/14
20140190228
Method and device for compensating deviations during a deforming operation between two beams of a press
The invention relates to a method for compensating deviations in a deforming operation between two beams of a press, comprising of arranging one or more compensating element at a suitably chosen location in the press, detecting the deviations and moving the compensating element(s) relative to the beams by (electro) mechanical means during the deforming operation such that the detected deviations are compensated. The compensating elements can be moved here to an over-compensating position prior to the deforming operation and pressed out of their over-compensating position during the operation by the load on the beam, wherein each compensating element exerts an adjustable resistance force on surrounding parts of the press.
07/03/14
20140188055
Devices for clearing blockages in in-situ artificial lumens
Devices and methods for the effective clearing of artificial tubes, especially in-situ clearing of artificial tubes in a living being is covered in this disclosure. An elongated clearing member includes either a fixed or an adjustable element that selectively defines the portion of the elongated clearing member that is insertable within the artificial tube.
07/03/14
20140187957
Ultrasonic transducer electrode assembly
The present disclosure provides a method of fabricating an ultrasound transducer. A substrate having a first side and a second side opposite the first side is provided.
07/03/14
20140187956
Ultrasonic transducer electrode assembly
The present disclosure provides a method of fabricating an ultrasound transducer. A substrate having a first side and a second side opposite the first side is provided.
07/03/14
20140187003
High electron mobility transistor and manufacturing method thereof
The present invention discloses a high electron mobility transistor (hemt) and a manufacturing method thereof. The hemt includes a semiconductor layer, a barrier layer on the semiconductor layer, a piezoelectric layer on the barrier layer, a gate on the piezoelectric layer, and a source and a drain at two sides of the gate respectively, wherein each bandgap of the semiconductor layer, the barrier layer, and the piezoelectric layer partially but not entirely overlaps the other two bandgaps.
07/03/14
20140186200
Fan blade adjustment piezoelectric actuator
A pump for driving a hydraulic fluid to adjust an angle of an airfoil has a transmission to be rotated to change the angle of incident of a plurality of airfoils. The transmission is driven through a rotating input to in turn rotate, and change the angle.
07/03/14
20140186062
Developer container unit, developing unit, and process cartridge
A developer container unit includes a container containing developer and a piezoelectric film for detecting an amount of developer in the container. A sensitivity of the piezoelectric film to a stress in a direction parallel to a film surface is greater than a sensitivity of the piezoelectric film to a stress in a direction perpendicular to the film surface, and the piezoelectric film is deformable with a movement thereof relative to the developer..
07/03/14
20140185140
Vibration apparatus and imaging appliance
A vibration apparatus includes a plate-shaped dust prevention member, a vibration application member, and an electrode. The vibration application member includes a flexible thin plate-shaped piezoelectric member, and vibrates the dust prevention member.


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Piezo topics: Piezoelectric, Transducer, Ultrasonic, Electric Actuator, Electronic Device, Electronic Apparatus, Damping Force, Radial Flow, Semiconductor Material, Semiconductor, Sound Transducer, Ultrasound, Synchronous, Asynchronous, Liquid Adhesive

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This listing is a sample listing of patent applications related to Piezo for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Piezo with additional patents listed. Browse our RSS directory or Search for other possible listings.
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