Telegraphy – Systems – Simplex-reversing periodic
Patent
1974-07-19
1976-04-06
Richardson, Robert L.
Telegraphy
Systems
Simplex-reversing periodic
178DIG28, 358 7, 358 54, H04N 536, H04N 911
Patent
active
039491617
ABSTRACT:
A video signal reproducing system comprising means for driving a web of recording medium such as a tape at a constant speed, a self-scanned linear photoelectronic image device disposed for scanning in a direction perpendicular to the traveling direction of the recording medium, a clock pulse generator for applying clock pulses to this image device, and a light source for illuminating the recording medium, whereby information optically recorded on the recording medium can be scanned in a two-dimensional fashion to reproduce a video signal such as a television signal.
REFERENCES:
patent: 2294116 (1942-08-01), Graham
patent: 3210468 (1965-10-01), Trott
patent: 3495036 (1970-02-01), Clayton
patent: 3702896 (1972-11-01), Kurahashi
patent: 3767852 (1973-10-01), Horowitz
patent: 3822362 (1974-07-01), Weckler
patent: 3830972 (1974-08-01), Siverling
Dyck and Weckler, "A New Self--Scanned Photodiode Array," Solid State Technology, July 1971, pp. 37-42.
Fujishima Tooru
Fujita Masahiko
Kuwahara Kazuyoshi
Nishimura Naoto
Ozaki Shinji
Hitachi , Ltd.
Richardson Robert L.
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