Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1984-12-13
1987-04-07
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record medium
In container
360137, 242198, G11B 2308, G11B 2314
Patent
active
046565493
ABSTRACT:
A tape cassette is provided with a pressure plate spring which has a tape-length indication comprising indicator elements which have been cut in or cut out mechanically. Advantageously, both long arms possess such indicators, which may even be of different types. In a particularly advantageous spring shape, one long spring arm has an edge possessing incisions and the other long spring arm has an edge possessing projections, as a result of which the springs can be arranged for punching in such a way that waste is avoided.
REFERENCES:
patent: 4128216 (1978-12-01), Hioki
Berger Heinz
Dietze Herbert
Schoettle Klaus
Seitz Joachim
BASF - Aktiengesellschaft
Tupper Robert S.
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