Recording or reproducing apparatus

Details Recording or reproducing apparatus Recording or reproducing apparatus

1988-12-09

1989-09-19

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

360 62, G11B 502, G11B 1512

Patent

active

048686913

ABSTRACT:
An apparatus for recording or reproducing information on or from a magnetic recording medium by means of a magnetic head, including means for effecting change-over of recording mode and reproducing mode, which is provided with a circuit for preventing variation of DC potential near a change-over point at the time of the change-over to prevent damage of information previously recorded on the recording medium by transient current flowing through the magnetic head and a DC setting capacitor connected in series with said head at the time of said change-over or a circuit for producing said change-over after electric charge stored in a DC component cutting capacitor has been discharged.

REFERENCES:
patent: 4665446 (1987-05-01), Takayama

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