Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1994-07-20
1995-05-30
Chin, Tommy
Facsimile and static presentation processing
Facsimile
Recording apparatus
369 84, 360 15, H04N 5782
Patent
active
054206901
ABSTRACT:
An optical recording and/or reproducing apparatus is operable to transmit at a high speed a long-play program comprising video and/or audio signals and has a capability of recording the program during a playback mode at a normal reproducing speed of the program. At a transmitter side, a digital data of the program is divided on a time-sharing basis and is then reproduced from an optical disc at a high transfer rate simultaneously with a plurality of channels of optical read/write heads so that, when the digital data is transmitted, the length of time during which the transmission occupies a transmission line can be reduced. On the other hand, at a receiver side, the transmitted signals are recorded on the optical disc at a high transfer rate simultaneously using plural channels of optical read/write heads. When a subscriber wishes to view the program, only one channel of the optical head is used to sequentially reproduce the data at the normal reproducing speed to reproduce the program while maintaining the sequence and speed of the original program. In this way, an optical recording and/or reproducing apparatus capable of reducing the time during which the transmission occupies the transmission line can be realized.
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patent: 4449212 (1984-05-01), Reno
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patent: 5001570 (1991-03-01), Tagawa
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patent: 5200944 (1993-04-01), Souma
Chin Tommy
Matsushita Electric - Industrial Co., Ltd.
Tran Thai
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