Tape cassette and machine

Details Tape cassette and machine Tape cassette and machine

1975-02-03

1977-01-25

Cook, Daryl W.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

235 6111R, G11B 1504, G06K 708

Patent

active

040054802

ABSTRACT:
A tape cassette and machine wherein the tape cassette is provided with a breakable pin such that if the pin is removed the tape cannot be erased and wherein the machine includes a mechanism for detecting whether the pin is present in the cassette so as to properly interlock the machine to correlate with the presence or absence of the pin. As tape machines and cassettes are becoming smaller and smaller it is desirable to provide cassette mounting means and interlock mechanism which can be mounted in the minimum space.

REFERENCES:
patent: 3586336 (1971-06-01), Rosenblatt
patent: 3702907 (1972-11-01), Sato
patent: 3718774 (1973-02-01), Kosaka

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