Recording or reproducing apparatus having function of searching

Details Recording or reproducing apparatus having function of searching Recording or reproducing apparatus having function of searching

1995-12-08

1997-07-01

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 744, G11B 2722

Patent

active

056444478

ABSTRACT:
An information signal recording and/or reproducing apparatus is arranged to be capable of quickly and accurately discriminating between recording and unrecording of an information signal on a tape-shaped recording medium by detecting all of signals sequentially reproduced from the tape-shaped recording medium by a plurality of rotary heads which trace the tape-shaped recording medium. The real end part of any existing record can be accurately detected by transporting the tape-shaped recording medium in a direction reverse to the direction taken in recording, according to the result of the discrimination; and by initializing a counter which counts pulses generated according to the transport of the recording medium, in response to the recording of the information signal being detected in process of transporting the tape-shaped recording medium in the reverse direction.

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patent: 4939595 (1990-07-01), Yoshimoto et al.
patent: 5109305 (1992-04-01), Ohsawa et al.

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