Security monitor system

Details Security monitor system Security monitor system

1987-06-05

1988-10-11

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 86, 3581911, H04N 718

Patent

active

047775262

ABSTRACT:
A security monitor system is designed to transmit video signals from a plurality of video information sources via a common transmission line. Video information from respective video information sources is scanned at given timings to check the monitoring areas in a given order. An automatic recognition may be facilitated in the security monitor system for detecting substantial and noticable movement within a picture derived from the video information from each of the video signal sources. Therefore, the security monitor system is inexpensive and satisfactory for monitoring a plurality of monitoring areas and is satisfactory for recording video information of a variety of monitoring areas, when movement in the picture of one of the monitoring areas is detected, by means of a video tape recorder or other appropriate recording means.

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patent: 4649428 (1987-03-01), Jones
patent: 4651143 (1987-03-01), Yamanaka
patent: 4673974 (1987-06-01), Ito

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