Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1981-04-16
1984-07-31
Psitos, Aristotelis M.
Facsimile and static presentation processing
Facsimile
Recording apparatus
360 22, 360 32, 360 331, 358341, H04N 9491, H04N 578, G11B 502, G11B 509
Patent
active
044633874
ABSTRACT:
A digitized video data recording and/or reproducing system comprises a plurality of rotary magnetic heads are disposed on a rotary tape guide drum on the periphery of which a magnetic tape is helically transported at a predetermined wrap angle. A signal processing circuit divides a digitized video signal such that each horizontal scan interval thereof contains a plurality of data blocks, and a signal distributing circuit distributes the blocks of the digitized video data sequentially to the magnetic heads, so that every nth block of each horizontal scan interval is distributed to a respective one of the heads, where n is an even integer. Preferably, there are eight blocks in each horizontal scan interval, and every fourth block is distributed to a respective head.
REFERENCES:
patent: 3919697 (1975-11-01), Walker
patent: 4224642 (1980-09-01), Mawatari et al.
"Digital Television Tape Recording", International Broadcast Engineer, vol. 10, No. 164, Mar. 1979, pp. 26-28, Leeden.
NHK Laboratories Note, SN. 221m, Dec. 1977, Yokoyama et al.
"An Experimental Digital Videotape Recorder", SMPTE Journal, No. 3, vol. 89, Mar. 1980, Yokoyama et al., pp. 173-180.
General Survey Paper, "Video Technology II", Bosch, GmbH, Oct. 23, 1979.
"Multifunction Digital Video Processor", SMPTE's 14th Television Conference, vol. 3, Feb. 1-2, 1980, Kreinik et al.
Hashimoto Yoshitaka
Shirota Norihisa
Yamamoto Kaichi
Eslinger Lewis H.
Psitos Aristotelis M.
Sinderbrand Alvin
Sony Corporation
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