Boots – shoes – and leggings
Patent
1983-05-27
1985-12-10
Gruber, Felix D.
Boots, shoes, and leggings
364133, 364900, 371 15, G06F 1130, G06F 1516, F02D 3702
Patent
active
045584168
ABSTRACT:
A dual microprocessor computing system is used to control an engine in a motor vehicle. Each system contains a Personality Programmable Read Only Memory (PPROM) containing system calibration data that is transferred from the PPROM to the read-write memories in the microprocessors. In order to identify each PPROM a byte of memory contains a check sum and a byte of the microprocessor memory contains an identical check sum. During data transfer, the check sums are compared. Also during data transfer, the amount of data being transferred within a predetermined interval is counted both at the transmitter and the receiver memories.
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Anolick et al.: Memory Test System. IBM Technical Disclosure Bull., vol. 22, No. 7, Dec. 1979, pp. 2837-2838.
Electronic Design: Watchdog Timer lets Microcomputer Monitor Itself. Dec. 9, 1982.
Pauwels Michael A.
Wright Danny O.
Allied Corporation
Gruber Felix D.
Seitzman Markell
Wells Russel C.
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