Image pickup apparatus with image light focus prevention

Details Image pickup apparatus with image light focus prevention Image pickup apparatus with image light focus prevention

1992-04-10

1994-09-20

Mancuso, Joseph

Television

Camera, system and detail

Optics

348347, H04N 5232

Patent

active

053493826

ABSTRACT:
An image pickup apparatus photoelectrically converts image light from an object. The image light incident on the photosensing plane of the image pickup apparatus is optically controlled by a zoom lens and a focus lens. A controller drives the zoom lens to its telephoto position and drives the focus lens to its closest position so that bright image light is prevented from being focused on the photosensing plane.

REFERENCES:
patent: 2155486 (1939-04-01), Gunther
patent: 3711644 (1973-01-01), Ishiguro
patent: 3767853 (1973-10-01), Bendell et al.
patent: 4410915 (1983-10-01), Yamamoto

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