Electronic cash register

Abstract

Abstract PURPOSE: To make it possible to detect a stock absence state or a state just before stock absence by storing previously inventory quantities of merchandise by merchandise departments and updating inventory quantities for every sale. CONSTITUTION: Inventory quantities of merchandise are stored previously in data memory 5 by merchandise departments, and the number of a minimum inventory reference is stored previously in numeric memory 6. For sale, the inventory quantity in data memory 5 is read into the second register 42, and sale quantity in the first register 41 is subtracted, and the operation result is written in data memory 5. In this case, contents of numeric memory 6 (for example, 10) are subtracted further from contents of the second register 42 of the result above. In case that the subtraction result is negative, buzzer 7 is sounded to report to the operator that the inventory quantity is below 10. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Masanori Okamoto

Bibliographic Details