Software rental method and apparatus, and circulating medium the

Details Software rental method and apparatus, and circulating medium the Software rental method and apparatus, and circulating medium the

1995-01-17

1998-02-03

Hofsass, Jeffery

Boots, shoes, and leggings

36447904, 360132, 395201, G06F 1700

Patent

active

057151695

ABSTRACT:
A software rental method is disclosed. A specific software and rental term information or permitted accumulative use time information of said specific software are written into a circulating medium. The software retained in the circulating medium is autonomously invalidated at a time point when a desired rental term defined by the rental term information expires or at a time point when an accumulative use period of time exceeds a limit defined by the permitted accumulative use time information. A cartridge used as a circulating medium for a rental software, comprises a counter to be set with a rental term. The counter is counted down in response to the clock signal from a clock generator. Access to a title storing memory unit in the cartridge is prohibited at a time point when the counter value becomes zero.

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patent: 4683372 (1987-07-01), Matsumoto
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patent: 4766294 (1988-08-01), Nara et al.
patent: 5029034 (1991-07-01), Weiley
patent: 5162989 (1992-11-01), Matsuda

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