Television camera optics with a light guide for camera adjustmen

Details Television camera optics with a light guide for camera adjustmen Television camera optics with a light guide for camera adjustmen

1977-11-10

1978-08-22

Henry, Jon W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

350173, H04N 909, G02B 2714

Patent

active

041092791

ABSTRACT:
A television camera employing a dichroic mirror light-splitting system and a supplementary light arrangement for introducing an external light beam into the dichroic mirror when the camera is initially to be adjusted with respect to pattern registration, color balance and color temperature compensation. As the dichroic mirror is selectively receptive of the light beams from the television camera lens and the light arrangement, when the external light beam is allowed to enter the dichroic mirror, the resulting outputs of three color component image pick-up tubes are electrically processed according to a predetermined program to effect automatic adjustment of the TV-camera.

REFERENCES:
patent: 3590145 (1971-06-01), Schneider et al.
patent: 3610818 (1971-10-01), Bachmann
patent: 3718752 (1973-02-01), Katsuta et al.
patent: 3824004 (1974-07-01), Doi et al.
patent: 3945034 (1976-03-01), Suzuki
patent: 3976363 (1976-08-01), Toyama et al.

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