Surveillance system

Details Surveillance system Surveillance system

1974-12-06

1976-01-27

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

178DIG1, 178DIG38, H04N 718

Patent

active

039353800

ABSTRACT:
A closed circuit TV surveillance system for retail and industrial establishments in which one or more cameras are movable along a rail assembly suspended from the ceiling which enables the cameras to be selectively trained on any area of interest within the establishment. Employing two cameras, one may be both tilted and horizontally trained to observe any location within the line of sight of the camera and the other one particularly tilted and trained to observe the amount showing on a cash register.

REFERENCES:
patent: 2538910 (1951-01-01), Miller
patent: 3226476 (1965-12-01), Tyler
patent: 3612764 (1971-10-01), Gilkerson
patent: 3819856 (1974-06-01), Pearl

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