Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 310/338
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > With mechanical energy coupling means > Force or pressure measuring type
Description: Subject matter wherein the electrical output of the piezoelectric element is disclosed as being used to indicate the magnitude of the mechanical force or forces stressing the element.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8686620 Electric apparatus provided with power generating function Apr. 1, 2014
8680745 Device for measuring material thickness Mar. 25, 2014
8680748 Apparatus for use with an acoustic drum to produce electrical signals while muting the sound of the acoustic drum Mar. 25, 2014
8624465 Surface acoustic wave sensor system and measurement method using multiple-transit-echo wave Jan. 7, 2014
8610332 Positioning system and method Dec. 17, 2013
8605053 Method and device for detecting user input Dec. 10, 2013
8598767 Piezoelectric actuator Dec. 3, 2013
8575824 Piezoelectric generator, sensor node, and method of manufacturing piezoelectric generator Nov. 5, 2013
8525386 Dynamically adjustable orthotic device Sep. 3, 2013
8525658 Interior tire power generation apparatus and tire monitoring system using the same Sep. 3, 2013
8471438 Actuator with sensor Jun. 25, 2013
8456062 Surface acoustic wave sensor device and method of controlling liquid using the same Jun. 4, 2013
8446075 Conductive film, and transducer and flexible wiring board using the same May. 21, 2013
8421312 Acceleration sensor having polarized piezoelectric layer interposed between sensing electrodes Apr. 16, 2013
8421311 Flexible piezoelectric tactile sensor Apr. 16, 2013
8415859 Piezoelectric nanodevices Apr. 9, 2013
8358050 Apparatus for use with an acoustic drum to produce electrical signals while muting the sound of the acoustic drum Jan. 22, 2013
8354776 Apparatus for generating electrical energy and method for manufacturing the same Jan. 15, 2013
8304759 Integrated image sensor system on common substrate Nov. 6, 2012
8299686 Actuator with sensor Oct. 30, 2012
8294332 Pressure transducer Oct. 23, 2012
8288922 Flexoelectric--piezoelectric composite based on flexoelectric charge separation Oct. 16, 2012
8247949 Surface acoustic wave sensor device and method of controlling liquid using the same Aug. 21, 2012
8203255 Piezoelectric sensor arrangement comprising a thin layer shear wave resonator based on epitactically grown piezoelectric layers Jun. 19, 2012
8188622 Tunable resonant frequency kinetic energy harvester May. 29, 2012
8179027 Coating for actuator and method of applying coating May. 15, 2012
8174166 Uniformly distributed lead zirconate titanate strain sensor May. 8, 2012
8158533 Piezoelectric tactile sensor Apr. 17, 2012
8154175 Sensing device Apr. 10, 2012
8148881 Vibration sensor film, vibration actuator film, vibration reduction film, and multilayer film using them Apr. 3, 2012
8074524 Piezoelectric measuring element with transverse effect and sensor comprising such a measuring element Dec. 13, 2011
8004154 Piezoelectric actuation structure including an integrated piezoresistive strain gauge and its production method Aug. 23, 2011
7999449 Electroconductive polymer electrode and actuator using the same Aug. 16, 2011
7999440 Micro-fabricated devices having a suspended membrane or plate structure Aug. 16, 2011
7999438 Piezoelectric-drive apparatus, method of controlling piezoelectric-drive and electronic device Aug. 16, 2011
7994690 Component for piezoelectric force or pressure sensors, held together by an electrically insulating film Aug. 9, 2011
7977851 Push button switch Jul. 12, 2011
7965663 Method and system for wireless digital multimedia transmission Jun. 21, 2011
7965018 Acoustic sensor with piezo-arrangement film Jun. 21, 2011
7936106 Surface acoustic wave sensor device May. 3, 2011
7936110 Lateral excitation of pure shear modes May. 3, 2011
7902725 Device for fixing a first equipment item to a second equipment item, with active micropositioning Mar. 8, 2011
7893602 Dual-use transducer for use with a boundary-stiffened panel and method of using the same Feb. 22, 2011
7876024 Device and method for influencing vibration of a planar element Jan. 25, 2011
7839052 Sensing membrane with stress releasing structure and micro-electro-mechanical system device using the same Nov. 23, 2010
7839051 Protection device Nov. 23, 2010
7839056 Piezoelectric pressure sensor Nov. 23, 2010
7839057 Movement detector Nov. 23, 2010
7821182 Device for actuating a sanitary appliance Oct. 26, 2010
7816838 Piezoelectric force sensing Oct. 19, 2010

1 2 3 4 5 6 7 8 9










 
 
  Recently Added Patents
Generating compiled code that indicates register liveness
Electronic flash device
Fine grain voltage scaling of back biasing
Wire guide
Vehicle control apparatus
Measuring device and measuring method that use pulsed electromagnetic wave
Conversion of 5-(chloromethyl)-2-furaldehyde into 5-methyl-2-furoic acid and derivatives thereof
  Randomly Featured Patents
Fire responsive closing air vent
Color photographic materials and methods containing DIR or DIAR couplers and carbonamide coupler solvents
System and method for synchronizing data signals
Baseball cap
Spinal implant construct and method for implantation
Electroless plating apparatus and electroless plating method
Image drum and fabricating method thereof
Media cache control interface
Illuminating potty trainer with toilet seat-activated on/off switch
Multiple data state memory cell