Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1978-04-05
1979-07-10
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
352242, 352243, 354 81, 358210, 358229, H04N 718, G03B 1756, G03B 2900
Patent
active
041609999
ABSTRACT:
A panel of a size to be inserted into a section of the hung framework of a suspended ceiling carries a housing, the lower portion of the housing projecting beneath the panel and comprising a tinted, partially transparent cylindrical sidewall closed at its lower end by a hinged, opaque cover. A rotatable bracket is mounted within the housing, and carries an opaque cylinder positioned within the partially transparent cylindrical sidewall, the cylinder having a window therein. A television monitoring camera is also mounted on the bracket, with its lens pointing through the window. A motor for operating the monitoring camera is mounted atop the housing, and the partially transparent cylindrical sidewall and the opaque cylinder cooperate to effectively shield the monitoring camera from view as it is panned over the premises.
REFERENCES:
patent: 2464067 (1949-03-01), Barker
patent: 3258595 (1966-06-01), Galante
patent: 3535442 (1970-10-01), Jennings
patent: 3720147 (1973-03-01), Bemis
patent: 3732368 (1973-05-01), Mahlab
patent: 3739703 (1973-06-01), Behles
patent: 3916097 (1975-10-01), Imai
patent: 3935380 (1976-01-01), Coutta
patent: 3993866 (1976-11-01), Pearl
patent: 4080629 (1978-03-01), Hammond
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