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Class Information
Number: 310/319
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Electrical systems > Electrical output circuit
Description: Subject matter having an electric circuit element which receives the electric output from the piezoelectric element.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8664834 |
Electromechanical energy converter for generating electric energy from Mechanical Movements |
Mar. 4, 2014 |
| 8653718 |
Power generation unit, electronic apparatus, transportation unit, battery, method of controlling power generation unit |
Feb. 18, 2014 |
| 8618910 |
Finger biometric sensor including laterally adjacent piezoelectric transducer layer and associated methods |
Dec. 31, 2013 |
| 8618719 |
Autonomous power generation unit for auxiliary system on an airborne platform |
Dec. 31, 2013 |
| 8604905 |
Finger biometric sensor including laterally adjacent piezoelectric transducer layer and associated methods |
Dec. 10, 2013 |
| 8604666 |
Power generating device and electronic component |
Dec. 10, 2013 |
| 8605053 |
Method and device for detecting user input |
Dec. 10, 2013 |
| 8604673 |
Power generating device, electronic apparatus, and transportation apparatus |
Dec. 10, 2013 |
| 8595923 |
Method of determining a flexoelectric effect in a liquid crystal material |
Dec. 3, 2013 |
| 8581473 |
System for using the air pressure acting on a vehicle in motion to produce energy |
Nov. 12, 2013 |
| 8549719 |
Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication |
Oct. 8, 2013 |
| 8525386 |
Dynamically adjustable orthotic device |
Sep. 3, 2013 |
| 8525390 |
Fluid power generation system having a generator with an electrical-charge-producing material |
Sep. 3, 2013 |
| 8513855 |
Control device for suppression of residual vibration of piezoelectric transducer |
Aug. 20, 2013 |
| 8508103 |
Piezoelectric identification device and applications thereof |
Aug. 13, 2013 |
| 8482183 |
Test substrate and method for measuring contact force |
Jul. 9, 2013 |
| 8446069 |
Switch device |
May. 21, 2013 |
| 8441169 |
Voltage converter and driving system using such voltage converter |
May. 14, 2013 |
| 8441172 |
Nonlinear oscillator for vibration energy harvesting |
May. 14, 2013 |
| 8436512 |
Method of rapidly interrogating elastic wave sensors |
May. 7, 2013 |
| 8410661 |
Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication |
Apr. 2, 2013 |
| 8375559 |
Manufacturing method of a quartz crystal unit , a quartz crystal oscillator and an electronic apparatus |
Feb. 19, 2013 |
| 8373332 |
Energy harvesting electric device |
Feb. 12, 2013 |
| 8368290 |
Rectifier-free piezoelectric energy harverster and battery charger |
Feb. 5, 2013 |
| 8330335 |
Piezo magnetostrictive device |
Dec. 11, 2012 |
| 8324784 |
Method for tuning a resonant frequency of a piezoelectric component |
Dec. 4, 2012 |
| 8319395 |
Power supply device and image forming apparatus |
Nov. 27, 2012 |
| 8269399 |
Systems and apparatus for harvesting energy |
Sep. 18, 2012 |
| 8261427 |
Methods for manufacturing crystal devices |
Sep. 11, 2012 |
| 8253307 |
Circuits for harvesting energy from piezoelectric devices |
Aug. 28, 2012 |
| 8232706 |
Autonomous power generation unit for auxiliary system on an airborne platform |
Jul. 31, 2012 |
| 8188636 |
Energy generator systems with a voltage-controlled switch |
May. 29, 2012 |
| 8188622 |
Tunable resonant frequency kinetic energy harvester |
May. 29, 2012 |
| 8179026 |
Nanotubes, nanorods and nanowires having piezoelectric and/or pyroelectric properties and devices manufactured therefrom |
May. 15, 2012 |
| 8179018 |
Active material actuator regulation utilizing piezoelectric and piezoresistive effect |
May. 15, 2012 |
| 8174167 |
Bistable piezoelectric generator |
May. 8, 2012 |
| 8159111 |
Driving device and protection method thereof |
Apr. 17, 2012 |
| 8154172 |
Electronic circuit for highly efficient driving of piezoelectric loads |
Apr. 10, 2012 |
| 8154225 |
Control device for an ultrasonic piezoelectric actuator |
Apr. 10, 2012 |
| 8150053 |
Method and device for eliminating vibrations of a mechanical structure |
Apr. 3, 2012 |
| 8133465 |
Polymer-carbon nanotube composite for use as a sensor |
Mar. 13, 2012 |
| 8134279 |
Piezoelectric damping device |
Mar. 13, 2012 |
| 8129887 |
System and method for harvesting energy from environmental vibrations |
Mar. 6, 2012 |
| 8127426 |
Electronic apparatus having quartz crystal oscillating circuits |
Mar. 6, 2012 |
| 8118878 |
Orthopedic appliance |
Feb. 21, 2012 |
| 8075695 |
Apparatus, circuitry, signals, probes and methods for cleaning and/or processing with sound |
Dec. 13, 2011 |
| 8069549 |
Method for sealing a quartz crystal device |
Dec. 6, 2011 |
| 8053949 |
Electronic control device for a piezo-ceramic bending transducer designed as a trimorph |
Nov. 8, 2011 |
| 8040019 |
Driver and driving method |
Oct. 18, 2011 |
| 8026650 |
Circuit and method to improve energy harvesting efficiency in piezoelectric harvesters |
Sep. 27, 2011 |
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