Protected programmable apparatus

Details Protected programmable apparatus Protected programmable apparatus

1981-11-25

1984-04-10

Smith, Jerry

Boots, shoes, and leggings

G06F 314, G06F 1300

Patent

active

044424868

ABSTRACT:
Apparatus that discourages the use of computer equipment with software that is not approved for such use by the manufacturer of the computer equipment. This apparatus requires software to generate display producing signals but to produce them for a short enough period of time to be imperceptible. The display may be the identification of a patent or patent application.

REFERENCES:
patent: 3806882 (1974-04-01), Clarke
patent: 4118789 (1978-10-01), Casto et al.
patent: 4120030 (1978-10-01), Johnstone
patent: 4141078 (1979-02-01), Bridges, Jr. et al.
patent: 4168396 (1979-09-01), Best
patent: 4183085 (1980-01-01), Roberts et al.
patent: 4225779 (1980-09-01), Sano et al.
patent: 4350844 (1982-09-01), Sturzinger et al.
IBM Technical Disclosure Bulletin, vol. 14, No. 11, p. 3531, Apr. 1972.

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