Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
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:
1 2 3 4 5 6 7 8

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

1 2 3 4 5 6 7 8










 
 
  Recently Added Patents
Multi-room user interface
Methods for fabricating semiconductor devices
Piano keyboard with key touch point detection
Data management tool
Solid-state imaging device and electronic apparatus with antireflection structure
Spray drying vancomycin
Display screen with graphical user interface
  Randomly Featured Patents
Integrated circuit package pin marking system
Distorted aberration correction processing apparatus
Clutch device for a seat lifting apparatus of a vehicle
Light-emitting device
Shoe clamp
Polyethylene glycol-protein compositions which reduce the antigenic display of red blood cells
Electrical outlet, switch and junction boxs
Vehicle wheel
Long travel suspension for tracked vehicle
Burner muffle for a gasification reactor