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Class Information
Number: 310/339
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > With mechanical energy coupling means > Voltage, spark or current generator
Description: Subject matter wherein mechanical energy from an external source is applied to the piezoelectric element to produce an electric potential difference between at least two electrically accessible points on the surface of the element.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8525390 |
Fluid power generation system having a generator with an electrical-charge-producing material |
Sep. 3, 2013 |
| 8513859 |
Interactive panel comprising a substrate and at least two piezoelectric transduction devices |
Aug. 20, 2013 |
| 8513861 |
Piezoelectric power generator |
Aug. 20, 2013 |
| 8508108 |
Polymer metal composite membranes |
Aug. 13, 2013 |
| 8508105 |
Inertial sensor |
Aug. 13, 2013 |
| 8508057 |
Power generator |
Aug. 13, 2013 |
| 8492957 |
Apparatus for generating electric energy |
Jul. 23, 2013 |
| 8492958 |
Device for converting thermal power into electricity |
Jul. 23, 2013 |
| 8487514 |
Apparatus and method for harvesting energy |
Jul. 16, 2013 |
| 8476808 |
1-d tire apparatus |
Jul. 2, 2013 |
| 8471439 |
Active piezoelectric energy harvester with embedded variable capacitance layer and method of manufacturing the same |
Jun. 25, 2013 |
| 8456064 |
Holster-integrated piezoelectric energy source for handheld electronic device |
Jun. 4, 2013 |
| 8456063 |
Device for converting mechanical impact energy into electrical energy with optimised efficiency |
Jun. 4, 2013 |
| 8450909 |
Piezoelectric power generating apparatus |
May. 28, 2013 |
| 8446069 |
Switch device |
May. 21, 2013 |
| 8446072 |
High-efficiency compact miniaturized energy harvesting and storage device |
May. 21, 2013 |
| 8441172 |
Nonlinear oscillator for vibration energy harvesting |
May. 14, 2013 |
| 8441173 |
Wake-up unit for waking up an electronic device and method of waking up an electronic device |
May. 14, 2013 |
| 8432086 |
Ferro fluid for inducing linear stress |
Apr. 30, 2013 |
| 8432073 |
Power generating device |
Apr. 30, 2013 |
| 8432049 |
Electrical generator |
Apr. 30, 2013 |
| 8427034 |
Flooring systems and methods of making and using same |
Apr. 23, 2013 |
| 8421313 |
Energy harvesting device |
Apr. 16, 2013 |
| 8415859 |
Piezoelectric nanodevices |
Apr. 9, 2013 |
| 8415860 |
Spring disc energy harvester apparatus and method |
Apr. 9, 2013 |
| 8415861 |
Wave power generator |
Apr. 9, 2013 |
| 8410667 |
Electrical generators for low-frequency and time-varying rocking and rotary motions |
Apr. 2, 2013 |
| 8410661 |
Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication |
Apr. 2, 2013 |
| 8405279 |
Coupling piezoelectric material generated stresses to devices formed in integrated circuits |
Mar. 26, 2013 |
| 8400046 |
Power generation unit |
Mar. 19, 2013 |
| 8395587 |
Haptic response apparatus for an electronic device |
Mar. 12, 2013 |
| 8378558 |
Thermoelectric generator |
Feb. 19, 2013 |
| 8373332 |
Energy harvesting electric device |
Feb. 12, 2013 |
| 8368290 |
Rectifier-free piezoelectric energy harverster and battery charger |
Feb. 5, 2013 |
| 8358049 |
Energy converters and associated methods |
Jan. 22, 2013 |
| 8354776 |
Apparatus for generating electrical energy and method for manufacturing the same |
Jan. 15, 2013 |
| 8351207 |
Heat pipe capable of transforming dynamic energy into electric energy and related heat-dissipating module |
Jan. 8, 2013 |
| 8344598 |
Piezoelectric power generation device |
Jan. 1, 2013 |
| 8344597 |
Matrix-assisted energy conversion in nanostructured piezoelectric arrays |
Jan. 1, 2013 |
| 8344586 |
Temperature-activated voltage generator |
Jan. 1, 2013 |
| 8334638 |
Piezoelectric power generation device |
Dec. 18, 2012 |
| 8330334 |
Apparatus employing piezoelectric energy harvester capable of generating voltage to drive power conditioning circuit and method of manufacturing the same |
Dec. 11, 2012 |
| 8330335 |
Piezo magnetostrictive device |
Dec. 11, 2012 |
| 8324788 |
Piezoelectric power generator |
Dec. 4, 2012 |
| 8319403 |
Electroactive polymer transducers for sensory feedback applications |
Nov. 27, 2012 |
| 8319402 |
Bowl-shaped wide-band vibration energy harvester |
Nov. 27, 2012 |
| 8319401 |
Air movement energy harvesting with wireless sensors |
Nov. 27, 2012 |
| 8316526 |
Method for forming an electroactive polymer |
Nov. 27, 2012 |
| 8314722 |
Keyboard based in polymer, copolymer or composites with piezo- and/or pyroelectric properties and respective use |
Nov. 20, 2012 |
| 8310114 |
Power generating device |
Nov. 13, 2012 |
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