Apparatus for preventing inadvertent erasure of cassette tape

Details Apparatus for preventing inadvertent erasure of cassette tape Apparatus for preventing inadvertent erasure of cassette tape

1976-08-20

1978-05-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

360118, 360132, G11B 1504, G11B 512, G11B 2308

Patent

active

040902242

ABSTRACT:
Apparatus for preventing an inadvertent erasure of a cassette tape in a cassette tape recorder or transcriber which has the function of erasing the full tape width or all the tracks during a rapid advance or a rewind operation. The apparatus disables the full width erasure upon detection of any one of those lugs which are provided on the part of a cassette for purpose of preventing an inadvertent erasure.

REFERENCES:
patent: 3677556 (1972-07-01), Oosone
patent: 3718774 (1973-02-01), Kosaka
patent: 3997916 (1976-12-01), Staar

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