Importance

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Abstract

An electronic cash register comprises a keyboard including a data input key and a time zone setting key; a central processing unit coupled to the keyboard; a memory coupled to the central processing unit and having a plurality of memory places for storing accumulated sales amounts on a time zone basis; a time memory coupled to the central processing unit to store time zone defining time data by the operation of the time zone setting key; a timepiece coupled to the time memory to supply current time data; and a comparator coupled to the timepiece and to the time memory to compare current time data from the timepiece with the time data stored in the time memory. The central processing unit includes means for writing entry data in one memory place of the memory according to the time zone determined by the result of a comparison by the comparator when entry data from the keyboard is completed.

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First Claim