Area surveillance system

Details Area surveillance system Area surveillance system

1980-03-03

1982-08-31

Caldwell, Sr., John W.

Communications, electrical: acoustic wave systems and devices

Echo systems

Presence or movement only detection

340691, 354 25, 354195, G03B 300, G08B 1316

Patent

active

043475906

ABSTRACT:
An area surveillance system which combines an ultrasonic intrusion detector, an electronic range finder, an instant camera and an alarm. The system is packaged in a temper-proof housing and is particularly suitable for the protection of residential and commercial buildings and for providing a quick identification of intruders. The output of the range finder is used to focus the camera objective on the intruding subject. After focusing a series of pictures of the area are taken. The pictures are readily available for early identification of the intruder. By means of an interface programming device, immediate or delayed silent and/or audible alarms are triggered upon detection of the intruder.

REFERENCES:
patent: 2785395 (1957-03-01), Platzman
patent: 3431550 (1969-03-01), Spence
patent: 3634846 (1972-01-01), Fogiel
patent: 3781772 (1973-12-01), Inoue et al.
patent: 4166273 (1979-08-01), Riley, Jr. et al.
patent: 4199244 (1980-04-01), Shenk
patent: 4199246 (1980-04-01), Muggli
patent: 4200378 (1980-04-01), Shenk
patent: 4242743 (1980-12-01), Salem

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