Control pulse recording circuit for magnetic recording and repro

Details Control pulse recording circuit for magnetic recording and repro Control pulse recording circuit for magnetic recording and repro

1988-06-09

1989-06-20

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 142, 360 744, H04N 578, G11B 2702

Patent

active

048413836

ABSTRACT:
A control pulse recording circuit for a magnetic recording and reproducing apparatus comprises a control head, a circuit for detecting leading edges of control pulses reproduced by the control head, a circuit for generating a recording voltage having a polarity which changes at a time in accordance with recording data to be recorded in a re-write operation, and a switching circuit for blocking supply of the recording voltage to the control head at a time which is after a predetermined time from a time when the re-writing operation is ended and is immediately before a next leading edge of the control pulses.

REFERENCES:
patent: 4482926 (1984-11-01), Nishijima et al.
patent: 4549231 (1985-10-01), Namiki
patent: 4570192 (1986-02-01), Hori

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