Omni-directional movement sensor

Details Omni-directional movement sensor Omni-directional movement sensor

2006-01-03

2006-01-03

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

Sensing apparatus

C073S654000, C340S689000, C340S566000

Reexamination Certificate

active

06981420

ABSTRACT:
A microphone is enclosed in a semi-sound insulated housing with a jingle bell type device that generates sound in response to a very slight movement and/or vibration of the housing and/or a structure to which the housing is attached. The sensor's sound insulated housing in cooperation with the microphone's adjustable sound sensitivity circuitry is designed for making the microphone responsive exclusively to the internally generated sound of a jingle bell sound generating type device in response to a movement/vibration of the sensor.

REFERENCES:
patent: 1332613 (1920-03-01), Damon
patent: 4322714 (1982-03-01), Morgan
patent: 4527153 (1985-07-01), Suzuki et al.
patent: 4723447 (1988-02-01), Laing
patent: 5986548 (1999-11-01), McGregor
patent: 2003/0122039 (2003-07-01), Mollet et al.

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