Automatic diaphragm control device for use with CCTV camera

Details Automatic diaphragm control device for use with CCTV camera Automatic diaphragm control device for use with CCTV camera

1984-09-17

1985-12-31

Brown, Thomas W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

352141, 354412, 358210, H04N 534

Patent

active

045624771

ABSTRACT:
The present invention relates to an automatic diaphragm control device for use with a CCTV camera which has recently found many applications.
The present invention provides an automatic diaphragm control device for use with a CCTV camera adapted to provide an automatically diaphragm controllable lens system having a light measuring mode which can be continuously varied at will adjacently to or remotely from the camera objective depending on the condition of an object to be picked up and permitting a changeover to be easily achieved between an automatic diaphragm control mode and a remote diaphragm control mode, if desired, to meet needs of the CCTV system.

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patent: 4174526 (1979-11-01), Geurts
patent: 4192588 (1980-03-01), Wagensonner et al.
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patent: 4324464 (1982-04-01), Wick
patent: 4331401 (1982-05-01), Numata
patent: 4366501 (1982-12-01), Tsunekawa et al.
patent: 4399466 (1983-08-01), Stephenson
patent: 4408852 (1983-10-01), Yamasaki
patent: 4437744 (1984-03-01), Terui et al.
patent: 4453811 (1984-06-01), Yamasaki

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