Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1984-06-25
1986-11-18
Lev, Robert G.
Facsimile and static presentation processing
Facsimile
Recording apparatus
350172, 354479, H04N 538
Patent
active
046239324
ABSTRACT:
A video camera comprises a camera tube, a main optical system including a focusing lens, an afocal system, and a master lens, for directing external light towards the camera tube, an automatic focusing system having a sensor which obtains a focusing information responsive to an incoming light to the sensor, for carrying out an automatic focusing by displacing the focusing lens responsive to the focusing information, a first light separator for reflecting and separating a portion of light passing through the afocal system within the main optical system, a second light separator for reflecting and separating only a portion of the separated light which is separated by the first separator and is required for a detection of the sensor of the automatic focusing system, and for directing the separated light which is separated by the second light separator towards the sensor as the incoming light, and an optical type viewfinder for receiving a light portion which is among the separated light which is separated by the first separator and excludes the separated light which is separated by the second separator.
REFERENCES:
patent: 3062102 (1962-11-01), Martin
patent: 3673932 (1972-07-01), Rottmiller
patent: 4180309 (1979-12-01), Miyata et al.
patent: 4259688 (1981-03-01), Tokuhara et al.
patent: 4408853 (1983-10-01), Tokutomi et al.
patent: 4474446 (1984-10-01), Reynolds et al.
patent: 4481413 (1984-11-01), Wilwerding
Inoue Yuzuru
Shinozaki Takashi
Lev Robert G.
Victor Company of Japan Ltd.
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