Rotary recording medium having a selectively reproducible contin

Details Rotary recording medium having a selectively reproducible contin Rotary recording medium having a selectively reproducible contin

1982-03-31

1984-12-25

McElheny, Jr., Donald E.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358343, 358907, H04N 576

Patent

active

044907524

ABSTRACT:
A rotary recording medium is repeatedly recorded with a video signal of the same unit for a plurality of field periods in each track turn, and divided audio signal parts obtained by dividing an audio signal in units of field periods of the video signal which is to be reproduced are successively arranged and recorded on a recording track of the video signal according to a tracing locus or a reproducing element on the rotary recording medium upon normal reproduction during which change of track is performed by forcibly shifting the reproducing element at least once or a plurality of times for two revolution periods of the rotary recording medium. A rotary recording medium reproducing apparatus comprises a reproducing circuit for picking up and reproducing recorded signals from the above rotary recording medium, and a shifting circuit applied with a discrimination signal in accordance with the type of the rotary recording medium and a reproduction mode signal in accordance with a reproduction mode, for shifting the tracing locus of the reproducing element so as to reproduce a video signal of video and audio signals of a reproduction mode specified by the reproduction mode signal.

REFERENCES:
patent: 4065794 (1977-12-01), Shutterly
patent: 4090218 (1978-05-01), van Buul et al.
patent: 4138741 (1979-02-01), Hedlund et al.
patent: 4353090 (1982-10-01), Broadbent
patent: 4361849 (1982-11-01), Bolger
patent: 4393489 (1983-07-01), Mehrotra
patent: 4402018 (1983-08-01), Wada et al.

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