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Class Information
Number: 73/654
Name: Measuring and testing > Vibration > Sensing apparatus > With inertia element > With electrically controlled indicator
Description: Subject matter including an electrically controlled indicator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7544910 |
Vibration sensor built in an object |
Jun. 9, 2009 |
| 7500394 |
Fastener integrated sensor |
Mar. 10, 2009 |
| 7450025 |
Level/position sensor and related electronic circuitry for interactive toy |
Nov. 11, 2008 |
| 7284431 |
Geophone |
Oct. 23, 2007 |
| 7239248 |
Level/position sensor and related electronic circuitry for interactive toy |
Jul. 3, 2007 |
| 7134334 |
Integrated fastener and motion detector |
Nov. 14, 2006 |
| 7036378 |
High and low frequency band dual output transducer |
May. 2, 2006 |
| 6995680 |
Level/position sensor and related electronic circuitry for interactive toy |
Feb. 7, 2006 |
| 6981420 |
Omni-directional movement sensor |
Jan. 3, 2006 |
| 6978675 |
Vehicle maintenance sensing device and method therefor |
Dec. 27, 2005 |
| 6915697 |
Testing and monitoring of a shock wave or pressure wave source |
Jul. 12, 2005 |
| 6868714 |
Vibration sensor for fixing directly or indirectly to a vibrating component |
Mar. 22, 2005 |
| 6817245 |
Acceleration sensor |
Nov. 16, 2004 |
| 6786078 |
Vibration pickup comprising a clamping sleeve |
Sep. 7, 2004 |
| 6739182 |
Vibration pickup and an insulating disk for a vibration pickup |
May. 25, 2004 |
| 6532795 |
Vibration pickup with a pressure sleeve |
Mar. 18, 2003 |
| 6437703 |
Level/position sensor and related electronic circuitry for interactive toy |
Aug. 20, 2002 |
| 6295871 |
Vibration sensing device |
Oct. 2, 2001 |
| 6279381 |
Vibration pickup with pressure sheath |
Aug. 28, 2001 |
| 6257065 |
Strain gauge vibration sensor |
Jul. 10, 2001 |
| 6247351 |
Vibration pickup with a pressure sleeve |
Jun. 19, 2001 |
| 6220078 |
Vibration pickup with a pressure sleeve |
Apr. 24, 2001 |
| 6220096 |
Differential wideband vibration |
Apr. 24, 2001 |
| 6109110 |
Low frequency vibration sensor |
Aug. 29, 2000 |
| 6069560 |
Detector for detecting vibrations |
May. 30, 2000 |
| 6034613 |
Shock and vibration sensor |
Mar. 7, 2000 |
| 6026690 |
Vibration sensor using the capacitance between a substrate and a flexible diaphragm |
Feb. 22, 2000 |
| 5905044 |
Mass manufacturing method of semiconductor acceleration and vibration sensors |
May. 18, 1999 |
| 5874675 |
Wideband vibration sensor |
Feb. 23, 1999 |
| 5872307 |
Vibration pick-up with pressure sleeve |
Feb. 16, 1999 |
| 5847278 |
Accelerometer with shear isolated mounting |
Dec. 8, 1998 |
| 5798460 |
Vibration sensor employing a flexible diaphragm and an electret film |
Aug. 25, 1998 |
| 5754115 |
Impact sensing system |
May. 19, 1998 |
| 5734107 |
Acceleration sensor |
Mar. 31, 1998 |
| 5668319 |
Micromachined accelerometer |
Sep. 16, 1997 |
| 5663894 |
System and method for machining process characterization using mechanical signature analysis |
Sep. 2, 1997 |
| 5644086 |
Preloaded linear beam vibration sensor |
Jul. 1, 1997 |
| 5633463 |
Earthquake detector |
May. 27, 1997 |
| 5629243 |
Preloaded linear beam vibration sensor and its manufacturing method |
May. 13, 1997 |
| 5625348 |
Method and apparatus for detecting local precursor seismic activity |
Apr. 29, 1997 |
| 5585566 |
Low-power shock detector for measuring intermittent shock events |
Dec. 17, 1996 |
| 5566573 |
Capacitive acoustic wave detector and method of using same |
Oct. 22, 1996 |
| 5477735 |
Two-wire constant current powered transducer |
Dec. 26, 1995 |
| 5473941 |
Encapsulated accelerometer with faraday shielding |
Dec. 12, 1995 |
| 5447065 |
High-fidelity particle velocity gauge for measuring strong motions in a solid medium |
Sep. 5, 1995 |
| 5396223 |
Earthquake detecting apparatus |
Mar. 7, 1995 |
| 5379643 |
Mount assembly for use with vibration transducers |
Jan. 10, 1995 |
| 5373448 |
Knock detection device for an internal combustion engine |
Dec. 13, 1994 |
| 5325718 |
Dual-frequency vibration sensor |
Jul. 5, 1994 |
| 5323639 |
Vibration sensor |
Jun. 28, 1994 |
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