Image sensing apparatus

Details Image sensing apparatus Image sensing apparatus

1989-08-08

1991-10-15

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358909, 354446, 354451, 354455, H04N 5238, H04N 5225, G03B 708, G03B 710

Patent

active

050579274

ABSTRACT:
An image sensing apparatus has a diaphragm for an imaging optical system, a selecting switch for switching between automatic control and manual control of the diaphragm, and a diaphragm controlling circuit capable of controlling and varying the operating speed of the diaphragm. The image sensing apparatus is arranged to switch and vary the operating speed of the diaphragm in accordance with the setting of the selecting switch.

REFERENCES:
patent: 3150581 (1964-09-01), Wilharm
patent: 3623409 (1969-05-01), Uno
patent: 3728946 (1973-04-01), Kuramoto
patent: 3921185 (1975-11-01), Yazaki
patent: 3988749 (1976-10-01), Frode
patent: 4079392 (1978-03-01), Orban
patent: 4174526 (1979-11-01), Geurts
patent: 4399466 (1983-08-01), Stephenson

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