Tape cassette

Details Tape cassette Tape cassette

1982-06-02

1985-03-26

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

G11B 1504

Patent

active

045076928

ABSTRACT:
A tape cassette having a plug for preventing erasure by mistake which may be inserted to make engagement with a recess provided in a peripheral surface of a cassette. The plug has a pair of insertion legs which extend from the ends of a mistake inhibiting web, and engagement portions for engaging mating engagement portions in the engagement recess. The plug may be inserted into the engagement recess from the web side or from the ends of the insertion legs as selected by the user, and the insertion legs will slide along surfaces of the cassette to fill said engagement recess. Different indications may be provided in window openings contiguous to the engagement recess in the cassette proper, according to whether the plug has been inserted from the web side or from the insertion legs, so that the user may know whether the tape cassette is recording correctly or incorrectly.

REFERENCES:
patent: 4044386 (1977-08-01), Satou et al.
patent: 4320421 (1982-03-01), Larson et al.
patent: 4380030 (1983-04-01), Shiba
patent: 4399481 (1983-08-01), Loranger et al.

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