Cassette recorder with anti-erase interlock

Details Cassette recorder with anti-erase interlock Cassette recorder with anti-erase interlock

1977-04-13

1978-08-15

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

360105, G11B 1504, G11B 2104

Patent

active

041077431

ABSTRACT:
A magnetic tape cassette recorder for use with a cassette having anti-erase openings, and a sensor for scanning the rear wall of a cassette for the presence of anti-erase openings. The sensor and the recording control button are portions of a single rigid member, which member is movable in one direction into and out of an anti-erase opening between blocked and unblocked inactive positions, and along the rear wall of a cassette having no opening from the unblocked inactive to a recording position. When the sensing portion has entered an anti-erase opening in the rear wall of a cassette, the recording control button is recessed in the recorder housing so as not to be manually accessible for attempted movement into the recording position.

REFERENCES:
patent: 3752486 (1973-08-01), Nakamura

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