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Class Information
Number: 310/316.01
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Electrical systems > Input circuit for simultaneous electrical and mechanical output from piezoelectric element
Description: Subject matter wherein (a) electrical energy is supplied to the piezoelectric element and (b) the piezoelectric element has an electrical output and a mechanical output both of which are utilized.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408290 |
Power driving circuit for controlling a variable load ultrasonic transducer |
Aug. 5, 2008 |
| 7405507 |
Method and device for operating an actuator with a capacitive element |
Jul. 29, 2008 |
| 7405508 |
Micromanipulator |
Jul. 29, 2008 |
| 7382080 |
Piezoelectric ultrasonic motor driver |
Jun. 3, 2008 |
| 7375455 |
Ultrasonic motor driving device and ultrasonic diagnosis apparatus |
May. 20, 2008 |
| 7372188 |
Method and apparatus for controlling a fuel-injection valve |
May. 13, 2008 |
| 7369115 |
Haptic devices having multiple operational modes including at least one resonant mode |
May. 6, 2008 |
| 7358644 |
Method for controlling an actuator and control device belonging thereto |
Apr. 15, 2008 |
| 7355322 |
Ultrasonic transducer, ultrasonic speaker and method of driving and controlling ultrasonic transducer |
Apr. 8, 2008 |
| 7355320 |
Reactive load resonant drive circuit |
Apr. 8, 2008 |
| 7353708 |
Ultrasonic generator system |
Apr. 8, 2008 |
| 7353585 |
Method of poling ferroelectric materials |
Apr. 8, 2008 |
| 7355321 |
Mechanical quantity sensor |
Apr. 8, 2008 |
| 7352106 |
Piezoelectric transformer driving apparatus |
Apr. 1, 2008 |
| 7352107 |
Transconductance circuit for piezoelectric transducer |
Apr. 1, 2008 |
| 7352108 |
Piezoelectric driving device and a regulation method for a piezoelectric driving device |
Apr. 1, 2008 |
| 7339305 |
Piezoelectric actuator drive apparatus, electronic device, driving method thereof, drive control program thereof, and storage medium in which program is stored |
Mar. 4, 2008 |
| 7317274 |
Piezoelectric devices and methods and circuits for driving same |
Jan. 8, 2008 |
| 7312554 |
Piezoelectric devices and methods and circuits for driving same |
Dec. 25, 2007 |
| 7304415 |
Interconnection from multidimensional transducer arrays to electronics |
Dec. 4, 2007 |
| 7298066 |
Drive apparatus for piezoelectric actuator, drive method for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium |
Nov. 20, 2007 |
| 7282866 |
Discharge lamp lighting apparatus |
Oct. 16, 2007 |
| 7262543 |
System and method for monitoring piezoelectric material performance |
Aug. 28, 2007 |
| 7256530 |
Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus |
Aug. 14, 2007 |
| 7247971 |
High resolution piezoelectric motor |
Jul. 24, 2007 |
| 7247970 |
Drive method for piezoelectric actuator, drive apparatus for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium |
Jul. 24, 2007 |
| 7227294 |
Piezoelectric motor drive circuit and method |
Jun. 5, 2007 |
| 7225101 |
Electronic device, signal compensation device and signal compensation method |
May. 29, 2007 |
| 7218029 |
Adjustable compensation of a piezo drive amplifier depending on mode and number of elements driven |
May. 15, 2007 |
| 7218030 |
Oscillating apparatus |
May. 15, 2007 |
| 7211928 |
Apparatus, circuitry, signals and methods for cleaning and/or processing with sound |
May. 1, 2007 |
| 7202592 |
Piezoelectric transformer, power supply circuit and lighting unit using the same |
Apr. 10, 2007 |
| 7196453 |
High-efficiency radial piezoelectric motor |
Mar. 27, 2007 |
| 7187104 |
Vibration-type driving device, control apparatus for controlling the driving of the vibration-type driving device, and electronic equipment having the vibration-type driving device and the con |
Mar. 6, 2007 |
| 7187102 |
Piezoelectric motor control |
Mar. 6, 2007 |
| 7187107 |
Closed-loop feedback control positioning stage |
Mar. 6, 2007 |
| 7183692 |
Method for controlling power supply in a buffered modulation mode |
Feb. 27, 2007 |
| 7183691 |
Control apparatus for vibration type actuator and control method thereof |
Feb. 27, 2007 |
| 7173363 |
System and method for moving an object employing piezo actuators |
Feb. 6, 2007 |
| 7154208 |
Control apparatus for vibration type actuator |
Dec. 26, 2006 |
| 7148756 |
Feedback system to control integrated circuit resonance |
Dec. 12, 2006 |
| 7145281 |
Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel |
Dec. 5, 2006 |
| 7141910 |
Transconductance circuit for piezoelectric transducer |
Nov. 28, 2006 |
| 7135807 |
Piezoelectric actuator drive system |
Nov. 14, 2006 |
| 7135806 |
Transducer-based sensor system with multiple drive signal variants |
Nov. 14, 2006 |
| 7132780 |
Method for obtaining biometric data for an individual in a secure transaction |
Nov. 7, 2006 |
| 7129618 |
Control apparatus capable of low-speed driving of vibration type driving apparatus, actuating apparatus using the control apparatus, control method capable of low-speed driving of vibration ty |
Oct. 31, 2006 |
| 7119475 |
Driving method of piezoelectric actuator, driving apparatus of piezoelectric actuator, electronic watch, electronics, control program of piezoelectric actuator, and storage medium |
Oct. 10, 2006 |
| 7118010 |
Apparatus, systems and related methods for dispensing and /or evaluating dry powders |
Oct. 10, 2006 |
| 7116033 |
Control apparatus and program |
Oct. 3, 2006 |
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