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Class Information
Number: 73/1.39
Name: Measuring and testing > Instrument proving or calibrating > Speed, velocity, or acceleration > Acceleration utilizing an inertial element > Involving pendulum or impact
Description: Subject matter wherein either (a) the inertial member either comprises or is supported by an object suspended from a fixed support so that it is free to swing back and forth or (b) the device is responsive to a force resulting from collision of one body with another.










Patents under this class:

Patent Number Title Of Patent Date Issued
7805276 Impact detection system Sep. 28, 2010
7600409 Failure diagnostic device for acceleration sensor, electronic device equipped with failure diagnostic device, failure diagnostic system, and failure diagnostic method Oct. 13, 2009
7487661 Sensor having free fall self-test capability and method therefor Feb. 10, 2009
7178377 Inclination sensor Feb. 20, 2007
7165440 Frequency characteristics measuring method and device for acceleration sensor Jan. 23, 2007
7089789 System for calibrating an integrated injection nozzle and injection pump Aug. 15, 2006
7076991 Calibration evaluation method and device for acceleration sensor Jul. 18, 2006
6791931 Accelerometer using field emitter technology Sep. 14, 2004
6670888 Method of detecting improper mounting of acceleration sensors on a vehicle Dec. 30, 2003
6282941 Impact detection device, in particular for a motor vehicle Sep. 4, 2001
6256601 Rollover test sled Jul. 3, 2001
6169479 Vehicular deformation sensor system Jan. 2, 2001
6089092 Vibration sensor Jul. 18, 2000
6055841 Device for calibrating longitudinal acceleration sensor of vehicle through inertial running May. 2, 2000
5970779 System and method for calibrating accelerometer over low (ocean wave) frequencies Oct. 26, 1999
5927143 Self-diagnostic accelerometer with symmetric proof-mass and its preparation method Jul. 27, 1999
5900529 Apparatus and method for testing an acceleration sensor May. 4, 1999
5760290 Semiconductor acceleration sensor and testing method thereof Jun. 2, 1998
5737961 Method and apparatus for detecting operational failure of a digital accelerometer Apr. 14, 1998
5677475 Acceleration sensor impact test method and apparatus Oct. 14, 1997
5644067 Apparatus and method for calibration of sensing transducers Jul. 1, 1997
5612670 Dual sensitivity shock detector Mar. 18, 1997
5433101 Method and apparatus for self-testing a single-point automotive impact sensing system Jul. 18, 1995
5375468 Acceleration sensor unit having self-checking function Dec. 27, 1994
5373722 Apparatus for performance testing acceleration sensors Dec. 20, 1994
5355716 Generalized rotary shock and impact testing machine Oct. 18, 1994
5351519 Circuit arrangement for evaluating and testing a capacitive sensor Oct. 4, 1994
5337260 Method for calibrating a single point impact sensor Aug. 9, 1994
5222387 Acceleration sensor with variable acceleration detection sensitivity Jun. 29, 1993
5203199 Controlled acceleration platform Apr. 20, 1993
5140844 Air bag sensor thruster fixture Aug. 25, 1992
5000030 Method and apparatus for measuring dynamic response characteristics of shock accelerometer Mar. 19, 1991
4967587 Impact calibration tool Nov. 6, 1990
4950915 Impact sensor with a testing circuit for a vehicle Aug. 21, 1990
4711754 Method and apparatus for impacting a surface with a controlled impact energy Dec. 8, 1987
4052882 Testing and calibrating instrument Oct. 11, 1977











 
 
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