Cassette removable piece

Details Cassette removable piece Cassette removable piece

1984-02-07

1986-01-14

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 60, 242199, G11B 2302, G11B 1504

Patent

active

045648786

ABSTRACT:
One broad wall of a recording cassette has a recognition hole which is covered by a breakout tab (here called a "removable piece"), and there is a chamber projecting from the other broad wall of the cassette such that a punch which dislodges the removable piece permanently wedges it into the chamber.

REFERENCES:
patent: 2612565 (1952-09-01), Heller
patent: 3686470 (1972-08-01), Stahlberg et al.
patent: 3839736 (1974-10-01), Hoshall
patent: 4012011 (1977-03-01), Saito
patent: 4320421 (1982-03-01), Larson et al.
"Specification for 8 mm Video Cassette", Mar. 1983, from the Electronic Industries Association of Japan.

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