Shock sensor

Details Shock sensor Shock sensor

1993-03-26

1994-08-16

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6145R, 340669, G08B 2100

Patent

active

053390717

ABSTRACT:
An electrical shock sensor having a housing containing an electrically conductive plug member having a conical configuration. An electrically conductive collar member is coaxially positioned over the conical configuration. An electrically conductive spring is connected between the annular collar and a stationary part within the housing. A first electrical connection is made to the plug member and a second electrical connection is made to reach the conductive spring. The shock sensor is included within a burglar alarm including an energy source and an alarm means. Natural vibrations will cause the spring to oscillate or vibrate without moving the collar. However, impact onto the shock sensor will cause the spring to sufficiently jar thereby displacing the annular collar from its position with respect to the conical surface.

REFERENCES:
patent: 4190828 (1980-02-01), Wolf
patent: 4679033 (1987-07-01), Hwang
patent: 4764762 (1988-08-01), Almour

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