Data reproducing apparatus

Details Data reproducing apparatus Data reproducing apparatus

1989-03-28

1992-03-31

McElheny, Jr., Donald

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

360 191, 360 362, G11B 2010

Patent

active

051013940

ABSTRACT:
The invention relates to a reproducing apparatus for reproducing digital signals. The apparatus comprises means for detecting the recorded data from the medium and generating digital data signals corresponding of the recorded data having a first predetermined bit rate, expansion means for converting the digital data signals from the detecting means into expanded digital signals having a second bit rate lower than the first bit rate, and means coupled to the expanding means for extracting the portions of the expanded digital signals corresponding to the synchronous words. Thus, it can be to provide a compact magnetic recording and reproducing apparatus which is more reliable, and less costly to manufacture, utilizing a lower working speed synchronous detector.

REFERENCES:
patent: 4077046 (1978-02-01), Morio
patent: 4091418 (1978-05-01), Ciciora
patent: 4334249 (1982-06-01), Yokoyama
patent: 4378593 (1983-03-01), Yamamoto
patent: 4413288 (1983-11-01), Hurst
patent: 4437125 (1984-03-01), Yamamoto
patent: 4636837 (1987-01-01), Sato
patent: 4742546 (1988-05-01), Nishimura
patent: 4780769 (1988-10-01), Numakura et al.
"Data Transmission", W. R. Bennett and J. R. Davey, 1965, Chapter 14.

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