Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1979-06-25
1982-09-07
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
360 60, G11B 2304, G11B 1504
Patent
active
043487076
ABSTRACT:
A magnetic tape cassette for a tape recorder, having at least one erase interlock device including an actuating member movable over a defined path in the cassette between a operating position in which an opening in the housing is uncovered, and a position in which the opening is closed. The cassette includes at least one latching element preventing movement from a third position and either of the first two positions. Preferably the latch is movable, and in addition the interlock may be set in a fourth position from which it can be moved only upon disassembly of the cassette.
REFERENCES:
patent: 3828363 (1974-08-01), Somers
patent: 3950786 (1976-04-01), Shapley
patent: 4041537 (1977-08-01), Kishi
Maly Heinrich
Werner Franz
Treacy David R.
U.S. Philips Corporation
Wolff John H.
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