Erroneous erasure preventing apparatus

Details Erroneous erasure preventing apparatus Erroneous erasure preventing apparatus

1981-12-09

1984-07-17

Konick, Bernard

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

360132, G11B 1504

Patent

active

044609302

ABSTRACT:
An erroneous erasure preventing piece to be detected is formed simultaneously with disk cassette covers by a molding process. The piece has a configuration which enables it to be slidably remounted to the cassette disk covers after being torn off the cover.

REFERENCES:
patent: 2612565 (1952-09-01), Heller
patent: 3416150 (1968-12-01), Lindberg, Jr.
patent: 3828363 (1974-08-01), Somers
patent: 3950786 (1976-04-01), Shapely
patent: 4041537 (1977-08-01), Kishi

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