Drop shock measurement system and acceleration sensor...

Details Drop shock measurement system and acceleration sensor... Drop shock measurement system and acceleration sensor...

2004-01-30

2009-02-24

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

Sensing apparatus

C073S514290

Reexamination Certificate

active

07493818

ABSTRACT:
The drop impact measuring system has i) a plurality of bimorph-type acceleration sensor containing a plurality of free vibrating sections each of which has individual draw-out electrodes; ii) a switch section for selecting output from the bimorph-type acceleration sensors; iii) an amplifying circuit for amplifying a signal applied via the switch section from the acceleration sensors; and iv) a logic circuit for logically evaluating the output from the amplifying circuit and controlling the switch section according to the result acquired from the logical evaluation.

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International Search Report for Application No. PCT/JP02/08053 mailed Nov. 26, 2002 with English translation of Form PCT/ISA/210.

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