Photographic security system

Details Photographic security system Photographic security system

1991-06-28

1992-10-13

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specified indicator structure

340541, 340567, 340693, 354 75, 354 76, G08B 1318

Patent

active

051554747

ABSTRACT:
An intrusion detection apparatus for detecting the presence of an intruder in a forbidden space comprises a sensor, an illumination system, a sound system and a still camera. When the sensor detects the presence of an intruder, it switches on the illumination system and the sound system (e.g. a buzzer or an alarm), and activates the still camera to take a picture of the illuminated intruder. The sound system masks the operation of the camera so that the intruder is unaware that a picture has been taken.

REFERENCES:
patent: 943232 (1909-12-01), Ashe
patent: 3349679 (1967-10-01), Lohman, III
patent: 3634846 (1972-01-01), Fogiel
patent: 4063251 (1977-12-01), Harsnett
patent: 4088986 (1978-05-01), Boucher
patent: 4347590 (1982-08-01), Heger et al.
patent: 4510488 (1985-04-01), St. Jean et al.
patent: 4651144 (1987-03-01), Pagano
patent: 5027104 (1991-06-01), Reid

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