Recording apparatus

Details Recording apparatus Recording apparatus

1986-03-25

1988-11-01

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

360 141, G11B 503, G11B, G11B

Patent

active

047824034

ABSTRACT:
A recording apparatus of the kind forming recording tracks by recording both first and second information signals on a recording medium, including (a) an erasing device for erasing signals recorded on the recording medium; (b) a first erasing signal generating circuit which generates a first erasing signal for erasing only the first information signal; (c) a second erasing signal generating circuit which generates a second erasing signal for erasing both the first and second information signals; and (d) a switching circuit which supplies the erasing device with either the first erasing signal or the second erasing signal by switching them over one to the other.

REFERENCES:
patent: 3070670 (1962-12-01), Eldridge et al.
patent: 3404392 (1968-10-01), Sordello
patent: 3838446 (1974-09-01), Otsuka et al.

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