Television – Special applications – Observation of or from a specific location
Patent
1992-12-28
1994-04-19
Britton, Howard W.
Television
Special applications
Observation of or from a specific location
359146, 348211, H04N 710
Patent
active
053051009
ABSTRACT:
A bidirectional communication system for a CCTV in a monitoring system having a plurality of monitoring cameras, comprising a plurality of rotators, each for rotating a corresponding one of the plurality of cameras in vertical and horizontal directions in response to upward, downward, left and right rotation control signals, a plurality of voice transmission and reception adapters, each mounted to a corresponding one of the plurality of cameras, for transmitting and receiving a voice signal, a plurality of remote controllers, each having a transmitter and a receiver for transmitting and receiving the voice signal remotely through a corresponding one of the plurality of voice transmission and reception adapters, a video selector for selecting a desired one of video signals from the plurality of cameras, a channel selector for selecting a desired channel for voice communication and camera rotation control, a voice processing circuit for performing transmission and reception of the voice signal through the plurality of voice transmission and reception adapters, and a rotator control circuit for generating the upward, downward, left and right rotation control signals for controlling actuation of the plurality of rotators, thereby to control projection angles of the plurality of cameras.
REFERENCES:
patent: 4882747 (1989-11-01), Williams
patent: 4965819 (1990-10-01), Kannes
patent: 4989085 (1991-01-01), Elberbaum
patent: 4995071 (1991-02-01), Weber
patent: 5079634 (1992-01-01), Hosono
Britton Howard W.
Goldstar Co. Ltd.
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