Motion sensing system

Details Motion sensing system Motion sensing system

1981-05-29

1983-11-08

Trafton, David L.

Communications: electrical

Condition responsive indicating system

Specific condition

331 65, 340 65, 340571, 340689, 73579, 73652, 73DIG1, 307117, G08B 1300

Patent

active

044145411

ABSTRACT:
A motion sensing system which can be oriented in any position and which provides an output signal when it is moved or tilted. The system includes an oscillator which provides an output signal; the amplitude of the oscillator signal is modulated responsive to motion. A signal level detector provides an output signal when the modulation amplitude exceeds a predetermined level. The output signal from the level detector indicates excessive motion and can be used to provide an alarm or to control associated equipment.

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patent: 3602806 (1971-08-01), Czekajewski
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patent: 4164075 (1979-08-01), Hunyar
patent: 4267522 (1981-05-01), Periot
patent: 4286261 (1981-08-01), Wagner et al.

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