Resettable single play tape cassette

Details Resettable single play tape cassette Resettable single play tape cassette

1995-08-02

1998-07-14

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Record medium

In container

360137, 242343, G11B 23087, G11B 2328

Patent

active

057813841

ABSTRACT:
A tape cassette or the like employs a resettable counter that disables the playing of the cassette after a limited number of playings consistent with home use. The small number of playings is supported by a machine resetting procedure that automatically records the usage and resets the cassette by translating information on a label on the cassette into a sequence of moves that unlocks the resetting mechanism that is otherwise locked against unauthorized parties. The label also includes a machine readable description of the program. Cassettes with the same program material have different reset codes on their labels to limit the resetting of some cassettes to particular machines thus lessening the economic incentive of obtaining or constructing unauthorized resetting equipment.

REFERENCES:
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patent: 4842217 (1989-06-01), Vinson
patent: 4905112 (1990-02-01), Rhodes
patent: 5005099 (1991-04-01), Perryman et al.
patent: 5228637 (1993-07-01), Granzotto

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