Recording and reproducing apparatus

Details Recording and reproducing apparatus Recording and reproducing apparatus

1991-12-10

1992-08-25

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

360 7808, G11B 503, G11B 2108

Patent

active

051424231

ABSTRACT:
Recording and reproducing apparatus for recording and reproducing one field or a plurality of fields of recorded signals in a predetermined track position of a disc-type recording medium comprises an erasing circuit to erase the recorded signals recorded on the track, a tracking fine control mechanism for fine adjustment of a head arranged nearly opposite to the track, and an erasure control circuit to cause the erasing circuit to execute a predetermined erasing operation to erase the recorded signals on the track on a basis of the head position after the tracking fine control mechanism executes the fine adjustment of tracking. The erasure control circuit is designed to execute the erasing operation by the erasing circuit after executing the tracking fine control and displaying the recorded signals on a reproducing monitor for a predetermined time, in order to erase the predetermined recorded signals on the track without mis-erasure.

REFERENCES:
patent: 4085427 (1978-04-01), Dunn
patent: 4573087 (1986-02-01), Tezuka et al.

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