Apparatus for preventing accidental recording of a tape recorder

Details Apparatus for preventing accidental recording of a tape recorder Apparatus for preventing accidental recording of a tape recorder

1990-07-12

1993-01-05

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

360 93, 360132, G11B 1505, G11B 1904, G11B 2302

Patent

active

051776464

ABSTRACT:
An apparatus for preventing accidental recording of a tape recorder is disclosed. The apparatus detects the presence or absence of the protecting piece of a tape cassette and outputs control signals for discriminating the allowance or prohibition of the recording. The apparatus utilizes a light sensing device without any switching contacts thereby assuring the reliability of the operation.

REFERENCES:
patent: 4184180 (1980-01-01), Barton, Jr. et al.
patent: 4506122 (1985-03-01), Miyata
patent: 4729047 (1988-03-01), Kanno
patent: 4805045 (1989-02-01), Schonfeld et al.

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