Electronic cash register having a check and adjustment mode wher

Details Electronic cash register having a check and adjustment mode wher Electronic cash register having a check and adjustment mode wher

1983-07-20

1986-08-19

Harkcom, Gary V.

Boots, shoes, and leggings

364900, G06F 1520

Patent

active

046073345

ABSTRACT:
An electronic cash register includes a mode selector for selecting a registration mode or a check and adjustment mode. The memories for the storage of various sales are adjusted during the check and adjustment mode to correct errors. The pre-adjustment information is retained until a clear operation is selected by the operator. A machine-locked condition is established in response to the adjustment operation. In response to the machine-locked condition any key input other than those used during the check and adjustment mode are inhibited. The machine-locked condition is removed when the pre-adjustment information is erased during a clear operation.

REFERENCES:
patent: 4312037 (1982-01-01), Yamakita
patent: 4360872 (1982-11-01), Suzuki et al.
patent: 4408292 (1983-10-01), Nakatani et al.
patent: 4428049 (1984-01-01), Miyazaki
patent: 4450526 (1984-05-01), Nakatani et al.
patent: 4458317 (1984-07-01), Horigome et al.
patent: 4471434 (1984-09-01), Iwawaki

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