Electronic cash register

Details Electronic cash register Electronic cash register

1979-02-02

1981-01-13

Smith, Jerry

Boots, shoes, and leggings

364900, G06F 1521, G06F 1502

Patent

active

042453119

ABSTRACT:
An electronic cash register includes a keyboard having data input keys and a registration complete key, and a memory into which input data is stored by operating the data input keys. The input data of the memory is read out by a central processing unit and printed onto a sheet in a printing section. The cash register further includes a flag memory for storing a flag and a time keeping circuit into which present time data is set, the above-mentioned flag indicating a time period elapsing from an operation of the registration complete key to the start of a next registration operation. When the flag of the flag memory does not indicate the above-mentioned time period, i.e. a registering operation is being effected, an operation other than the registering operation, such as a present time display operation or an alarm operation, is inhibited. When the flag of the flag memory indicates the above-mentioned time period, a present time display operation or an alarm operation is permitted.

REFERENCES:
patent: 4084238 (1978-04-01), Masuo
patent: 4159533 (1979-06-01), Sakurai

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