Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1979-10-22
1982-04-20
Martin, John C.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358280, 358294, 358214, G03F 310, H04N 140, H04N 1028, H04N 336
Patent
active
043262171
ABSTRACT:
A reversed image sensing apparatus comprising an image sensor composed of a charge transfer element including photosensitive elements arranged in a picture element unit, an optical system including a focusing lens and a light source and focusing an image recorded on a recording medium onto said image sensor, a voltage inverting circuit operative to receive the output video signal from said image sensor and produce a reversed video signal, a photosensitive element operative to detect the brightness of said light source, and a compensating circuit operative to automatically correct said reversed video signal on the basis of the brightness signal delivered from said photosensitive element in response to charge in said light source.
REFERENCES:
patent: 2642487 (1953-06-01), Schroeder
patent: 3693042 (1972-09-01), Fredkin et al.
patent: 4009489 (1977-02-01), Seer
patent: 4117510 (1978-09-01), Ohta et al.
patent: 4242703 (1980-12-01), Tsuboshima et al.
Iwasawa Teruo
Nakajima Yoshio
Takayama Shuichi
Tsuboshima Kosaku
Yamazaki Masafumi
Martin John C.
Olympus Optical Co. Limited
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