Electronic cash register

Abstract From the Canadian patent

An electronic cash register having a keyboard having data input keys 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 on a printing section. The cash register further including 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 from the termination of a printing operation at the printing section until a next registering operation is started after a receipt has been issued subsequent to the completion of a registering operation. When the flag of the flag memory does not …