Electronic equipment with check-sum function

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371 53, 371 66, G06F 1108

Patent

active

051464594

ABSTRACT:
A data collector, a handy terminal or similar portable electronic equipment with check-sum function, in which circuits for check-sum function are provided separately from the central processing unit, in order to reduce the time required for check-sum procedure.

REFERENCES:
patent: 3573726 (1971-04-01), Towell
patent: 3745316 (1973-07-01), Olah
patent: 4142243 (1979-02-01), Bishop
patent: 4354251 (1982-10-01), Hellwig
patent: 4355390 (1982-10-01), Hellwig
patent: 4393500 (1983-07-01), Imazeki
patent: 4646307 (1987-02-01), Nishimura
patent: 4691319 (1987-09-01), Bose
patent: 4698808 (1987-10-01), Ishii
patent: 4870607 (1989-09-01), Ishizuka
"Read-Only Array Data Checking", IBM TDB, vol. 28, No. 3, Aug. 1985 pp. 1163-1165.

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