Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1989-03-21
1991-12-17
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358327, 358340, 358310, 360 61, H04N 576
Patent
active
050738267
ABSTRACT:
Two-channel signals contain information of a video signal in a video system where one frame is composed of an odd number of lines. A first switching device periodically and mutually switches the two-channel signals at periods of nH and thereby generates two converted signals which correspond periodically and alternately to the two-channel signals at periods of nH. The character "nH" denotes a vlaue which equals a preset integer "n" times a horizontal sync period "H". The first switching device is reset for each of a plurality of fields. The two converted signals are transmitted through a transmission system. A second switching device periodically and mutually switches the two converted signals, which are transmitted through the transmission system, at periods of nH and thereby reobtains two-channel signals from the two converted signals. The second switching device is reset for each of the fields.
REFERENCES:
patent: 4811117 (1989-03-01), Morioka et al.
patent: 4811199 (1989-03-01), Kobayashi et al.
patent: 4864424 (1989-09-01), Ochi et al.
patent: 4873583 (1989-10-01), Kobayashi et al.
Muraji Tsutomu
Ochi Atsuo
Takeuchi Akihiro
Matsushita Electric - Industrial Co., Ltd.
Richardson Robert L.
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