Registers – Systems controlled by data bearing records – Time analysis
Patent
1976-03-04
1977-11-22
Atkinson, Charles E.
Registers
Systems controlled by data bearing records
Time analysis
3401461F, 360 2, G06F 1100
Patent
active
040597482
ABSTRACT:
There is disclosed an accounting system comprising a computer, an insertion device for receiving and printing on a card and including means for writing information on and reading information from a magnetic track on the card. A control unit operates in conjunction with the computer to control feed of the card in the insertion device and the said writing and reading operations, and to detect the occurrence of errors in the reading or writing. A register is arranged to count the number of times that a reading or writing operation has been performed. When an error is detected the computer repeats the operation until either the operation is performed without an error being detected or the register indicates that the operation has been repeated a predetemined number of times.
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Atkinson Charles E.
Ing. C. Olivetti & C. S.p.A.
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