Video photographing apparatus having infrared rays AV transmitti

Details Video photographing apparatus having infrared rays AV transmitti Video photographing apparatus having infrared rays AV transmitti

1997-08-06

1999-11-09

Garber, Wendy

Television

Camera, system and detail

Low light level

348164, 250330, H04N 533, G02F 101

Patent

active

059824239

ABSTRACT:
In a video photographing apparatus having an infrared rays AV transmitting function, there are provided: exchanging unit for moving the infrared rays cutting filter serving as a component element of a camera portion to an outside of an optical path and, in place of it, for arranging the infrared rays transmitting material such that the optical path is equivalent to that of the infrared rays cutting filter onto the optical path; switching unit for switching an infrared rays emitting unit for infrared rays AV transmission to the turn-on in the non-modulating state; and sensitivity switching operating unit for making the exchanging unit and the switching unit operative in an interlocking manner.

REFERENCES:
patent: 4437111 (1984-03-01), Inai et al.
patent: 5534696 (1996-07-01), Johansson et al.
patent: 5781236 (1998-07-01), Shinbori et al.

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