Video camera and camera system employing aperture control

Details Video camera and camera system employing aperture control Video camera and camera system employing aperture control

1992-08-24

1995-04-25

Mancuso, Joseph

Television

Camera, system and detail

Combined image signal generator and general image signal...

348371, 354418, H04N 5235

Patent

active

054102251

ABSTRACT:
In a video camera in strobe mode, when a condition for strobe light emission is ready, the aperture of an iris is reduced and the gain of an AGC amplifier is fixed at a predetermined value. Accordingly, a dark image representing the condition ready for strobe light emission is displayed on an electronic view finder, and in addition saturation of charge accumulation is prevented.

REFERENCES:
patent: 4365272 (1982-12-01), Nagai
patent: 4458995 (1984-07-01), Ishida et al.
patent: 4768876 (1988-09-01), Okino
patent: 4860108 (1989-08-01), Saito et al.
patent: 4879600 (1989-11-01), Ise et al.
patent: 4954897 (1990-09-01), Ejima et al.
patent: 4989093 (1991-01-01), Kaneko
patent: 5155581 (1992-10-01), Tanaka et al.
Patent Abstracts of Japan, vol. 14, No. 54 (P-999) Jan. 31, 1990, JP-A-01 280 735, (Abstract) Nov. 10, 1989.

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