Electronic calculator with optical input means

Details Electronic calculator with optical input means Electronic calculator with optical input means

1976-07-19

1978-05-23

Cook, Daryl W.

Registers

Record controlled calculators

235462, G06K 1500, G06K 710

Patent

active

040912701

ABSTRACT:
A keyless electronic calculator includes an optical bar-code reader for entering bar-coded program information, in the form of data and individual commands or complete programs, into the calculator. The calculator also includes a read-write memory unit (RWM) for storing the entered information, a central processing unit (CPU) having a read-only-memory unit (ROM) with pre-stored routines for processing data by executing the entered commands or program under control of the ROM routines, and a display unit for displaying entered data and execution results. An alternative embodiment of the calculator includes both an optical input means and a keyboard.

REFERENCES:
patent: 3511974 (1970-05-01), Wang
patent: 3524970 (1970-08-01), Wang
patent: 3654449 (1972-04-01), Boyce
patent: 3886325 (1975-05-01), Dorr et al.
patent: 3978318 (1976-08-01), Romeo et al.
patent: 3991299 (1976-11-01), Chadima, Jr. et al.

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