Boots – shoes – and leggings
Patent
1981-12-23
1985-01-08
Heyman, John S.
Boots, shoes, and leggings
377 15, 377 16, 235 2, 235376, G06F 1100
Patent
active
044930380
ABSTRACT:
A cash register with a keyboard (31), journal printer (47) and a check slip printer (32) is controlled by a microprocessor system with a CPU (102), a program ROM (105) and a RAM (106) including various registers for storing running totals of various types. The printer (32) prints till receipts and end-of-day check slips authenticating non-rigged operation of the cash register. Thus, each time such a check slip is printed a fresh bit of an EPROM memory (106) is set from 1 to 0 under control of a register (181) and a pulser circuit (191), the EPROM being fixed non-removably to the machine and shielded aginst UV erasure. The printed check slip includes the serial number thereof as represented by the EPROM contents, a special symbol identifying a non-manipulatable machine and the machine number recorded in a section (161) of the EPROM. In a modified embodiment the EPROM is replaced by a counter, e.g. a mechanical counter, which can only be incremented (and cannot be decremented or zeroized). The counter is incremented each time a check slip is printed and the number in the counter is included in the printout. Check slips with unbroken series of check slip numbers provide evidence of non-rigged operation.
REFERENCES:
patent: 3719805 (1973-03-01), Tano
patent: 4220991 (1980-09-01), Hamano et al.
patent: 4276598 (1981-06-01), Inoue et al.
patent: 4319326 (1982-03-01), Uchida
Bovio Michele
Gillone Walter
Heyman John S.
Ing. C. Olivetti & C. S.p.A.
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