Excavating
Patent
1983-02-28
1985-07-30
Smith, Jerry
Excavating
371 21, 371 38, G06F 1110
Patent
active
045326282
ABSTRACT:
A memory checking circuit for periodically reading the data from all locations therein. The circuit includes logic to correct and restore data from locations where an error has occurred. The circuit quickly identifies all memory locations present during search mode at a fast rate and reads all present locations at a slower rate during normal mode.
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patent: 3735105 (1973-05-01), Maley
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patent: 4051460 (1977-09-01), Yamada et al.
patent: 4300234 (1981-11-01), Maruyama et al.
patent: 4319356 (1982-03-01), Kocol et al.
patent: 4380812 (1983-04-01), Ziegler, II et al.
Crane J. D.
Grimes E. T.
Smith Jerry
The Perkin-Elmer Corporation
Ungerman Mark
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