Simultaneous monitoring data tape recorder having a data compres

Details Simultaneous monitoring data tape recorder having a data compres Simultaneous monitoring data tape recorder having a data compres

1992-02-11

1995-04-11

Shepperd, John

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

360 51, 360 64, G11B 500, G11B 509, G11B 1514

Patent

active

054064244

ABSTRACT:
A data tape recorder having a data compressor/expander for recording digital information on a magnetic recording tape and for reproducing it therefrom. In a digital audio tape recorder having a 4-head deck each provided with two recording heads and two reproducing heads, a switching pulse interval is channel-counted to a multichannel interval, and if the channel count signal and a channel selection signal by user are identical, only a reproducing signal of the selection channel among the signals being reproduced from the reproducing heads is expanded and reproduced. Moreover, in order to record data to a corresponding channel, the expanded reproducing data and compressed input data are multiplexed by the channel selection signal. Thus, the record/reproduction of a multichannel for a long time is possible.

REFERENCES:
patent: 4413289 (1983-11-01), Weaver et al.
patent: 4542419 (1985-09-01), Morio et al.
patent: 4772960 (1988-09-01), Takahashi et al.
patent: 4853797 (1989-08-01), Yamada et al.

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