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Class Information
Number: 310/317
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Electrical systems > Input circuit for mechanical output from piezoelectric element
Description: Subject matter having electric circuit elements for driving the piezoelectric element for the purpose of producing a usable mechanical output therefrom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626315 |
Piezo-injector driving apparatus |
Dec. 1, 2009 |
| 7622845 |
Piezoelectric transducer signal processing circuit |
Nov. 24, 2009 |
| 7618391 |
Waveform sensing and regulating fluid flow valve |
Nov. 17, 2009 |
| 7608989 |
Compliant electroactive polymer transducers for sonic applications |
Oct. 27, 2009 |
| 7608979 |
Driving device and driving system |
Oct. 27, 2009 |
| 7608980 |
Vibration control apparatus and method |
Oct. 27, 2009 |
| 7610089 |
Implantable strain sensor for medical diagnostics |
Oct. 27, 2009 |
| 7602100 |
Driving method and driving device for standing-wave-type ultrasonic actuator |
Oct. 13, 2009 |
| 7598654 |
Megasonic processing apparatus with frequency sweeping of thickness mode transducers |
Oct. 6, 2009 |
| 7589454 |
Driving apparatus |
Sep. 15, 2009 |
| 7586235 |
Matching circuit for megasonic transducer device |
Sep. 8, 2009 |
| 7586392 |
Dual path acoustic data coupling system and method |
Sep. 8, 2009 |
| 7579749 |
Power supply device and image forming apparatus using the power supply device |
Aug. 25, 2009 |
| 7579750 |
Ultrasonic motor |
Aug. 25, 2009 |
| 7573177 |
Active/passive distributed absorber for vibration and sound radiation control |
Aug. 11, 2009 |
| 7573179 |
Driving method of liquid drop ejecting head and liquid drop ejecting apparatus |
Aug. 11, 2009 |
| 7573180 |
Ultrasonic motor |
Aug. 11, 2009 |
| 7569973 |
Method for driving piezoelectric element or optical modulator including piezoelectric element |
Aug. 4, 2009 |
| 7567012 |
Drive unit |
Jul. 28, 2009 |
| 7564166 |
Driving apparatus, lens driving apparatus and image pickup apparatus |
Jul. 21, 2009 |
| 7564165 |
Actuating device having an integrated electronic control circuit |
Jul. 21, 2009 |
| 7564164 |
Drive circuit for piezoelectric pump and cooling system that uses this drive circuit |
Jul. 21, 2009 |
| 7564163 |
Structural vibration damping device |
Jul. 21, 2009 |
| 7554243 |
Class DE driving amplifier for piezoelectric actuators |
Jun. 30, 2009 |
| 7550897 |
Electronic drive system for a droplet spray generation device |
Jun. 23, 2009 |
| 7545076 |
System and method for tracking drive frequency of piezoelectric motor |
Jun. 9, 2009 |
| 7538473 |
Drive circuits and methods for ultrasonic piezoelectric actuators |
May. 26, 2009 |
| 7528525 |
Damping and stabilization for linear motor stage |
May. 5, 2009 |
| 7525234 |
Drive circuit for an injector arrangement |
Apr. 28, 2009 |
| 7521838 |
Device for operating a piezo actuator |
Apr. 21, 2009 |
| 7518285 |
Starting-process controller for starting a piezomotor |
Apr. 14, 2009 |
| 7514844 |
Acoustic data coupling system and method |
Apr. 7, 2009 |
| 7514843 |
Piezoelectric actuator and device |
Apr. 7, 2009 |
| 7514842 |
Multiplexer for a piezo ceramic identification device |
Apr. 7, 2009 |
| 7511403 |
High-powered actuators and actuating systems for extended range and precise positioning |
Mar. 31, 2009 |
| 7508116 |
Method and apparatus for vibration machining with two independent axes |
Mar. 24, 2009 |
| 7498716 |
Piezoelectric actuator, inspection method, and liquid eject apparatus |
Mar. 3, 2009 |
| 7480109 |
Piezoelectrically driven optical lens module |
Jan. 20, 2009 |
| 7474036 |
High-capacity ultrasonic composite oscillating device |
Jan. 6, 2009 |
| 7471029 |
Frequency-control-type piezo actuator driving circuit and method of driving the same |
Dec. 30, 2008 |
| 7468573 |
Method of providing tactile feedback |
Dec. 23, 2008 |
| 7462974 |
Inertial driving actuator |
Dec. 9, 2008 |
| 7456546 |
Drive unit |
Nov. 25, 2008 |
| 7456545 |
Method for determining the activation voltage of a piezoelectric actuator of an injector |
Nov. 25, 2008 |
| 7455051 |
Control device for piezo actuators of fuel injection valves |
Nov. 25, 2008 |
| 7446456 |
Piezoelectric composite device, method of manufacturing same, method of controlling same, input-output device, and electronic device |
Nov. 4, 2008 |
| 7439815 |
Method and apparatus for switching on an ultrasound oscillation system |
Oct. 21, 2008 |
| 7432636 |
Driving device and optical instrument |
Oct. 7, 2008 |
| 7432635 |
Moving member driving device and lens barrel |
Oct. 7, 2008 |
| 7432630 |
High power-to-mass ratio actuator |
Oct. 7, 2008 |
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