Device for detecting a space between adjacent blocks of data rec

Details Device for detecting a space between adjacent blocks of data rec Device for detecting a space between adjacent blocks of data rec

1983-11-16

1987-07-14

McElheny, Jr., Donald

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 744, G11B 1516, G11B 1552, G11B 1910

Patent

active

046806520

ABSTRACT:
A detector for detecting a space between blocks of data recorded on a recording medium, comprising a recording medium with a given speed, which provides a reproduction signal corresponding to an information recorded on the recording medium and issues a transport operation indicating signal; a discrimination means for discriminating the transport operation indicating signal, which provides a filter characteristic changing signal in accordance with the transport operation indicating signal; and a variable filter means for filtering the reproduction signal and providing a timing signal, of which filtering characteristic is changed in accordance with the filter characteristic changing signal. An operation mode of the recording medium transport means is changed by a transport control signal corresponding to the timing signal.

REFERENCES:
patent: Re30416 (1980-10-01), Yasunaga
patent: 3723666 (1973-03-01), Ferrari
patent: 4014039 (1977-03-01), Yasunaga
patent: 4198664 (1980-04-01), Yasunaga et al.
patent: 4210940 (1980-07-01), Prysby et al.
patent: 4225890 (1980-09-01), Takenaka et al.
patent: 4241364 (1980-12-01), Shiga
patent: 4290090 (1981-09-01), Yamamoto et al.
patent: 4442464 (1984-04-01), Ito

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