Magnetic recording and reproducing apparatus having means for re

Details Magnetic recording and reproducing apparatus having means for re Magnetic recording and reproducing apparatus having means for re

1978-11-29

1980-09-30

Moffitt, James W.

Dynamic magnetic information storage or retrieval

Record editing

360 85, G11B 502, G11B 2730

Patent

active

042258898

ABSTRACT:
A magnetic tape recording and reproducing apparatus provided with means for recording a cue-signal which serves to mark a predetermined point of a magnetic tape on which video signals are recorded by a rotary magnetic head. The cue-signal is recorded by a full erasing head by supplying thereto a cue-signal current having a frequency lower than the frequency of the erasing current. For example, the cue-signal current is generated by using the control signal for synchronizing the rotation of the rotary head with the tape movement.

REFERENCES:
patent: 3541271 (1970-11-01), Joslow et al.
patent: 3647951 (1972-03-01), Rose, Jr.
patent: 3852814 (1974-12-01), Johnson et al.
patent: 3939491 (1976-02-01), Shigeta

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