Preset light controller including infrared sensor operable in mu

Details Preset light controller including infrared sensor operable in mu Preset light controller including infrared sensor operable in mu

1990-02-23

1992-07-07

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

250342, 250353, 34030915, 340528, 340600, 34082565, G08B 1318

Patent

active

051286548

ABSTRACT:
A junction box mounted infrared motion detector is set forth. It incorporates push button controls mounted on a box which has a Fresnel lens looking into the immediate vicinity and which encloses an infrared detector to sense an intruder. An ambient light photocell responsive to visible light is also included to enable the device to be switched off in the daytime and on at nighttime. The circuit controls a remotely powered lamp or other alarm device. The electrical current to the lamp is adjustable by means of a slide control.

REFERENCES:
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patent: 4703171 (1987-10-01), Kahl et al.
patent: 4745400 (1988-05-01), Miura
patent: 4768020 (1988-08-01), Chen
patent: 4797657 (1989-01-01), Vorzimmer et al.
patent: 4799243 (1989-01-01), Zepke
patent: 4843283 (1989-06-01), Chen
patent: 4847485 (1989-07-01), Koelsch
patent: 4873469 (1989-10-01), Young et al.
patent: 4890093 (1989-12-01), Allison et al.
patent: 4894601 (1990-01-01), Watkins

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