Manual data input device for a numerical control apparatus

Details Manual data input device for a numerical control apparatus Manual data input device for a numerical control apparatus

1981-04-17

1984-12-04

Groody, James J.

Communications: electrical

Audible indication

Percussion-type sound producer

340365S, 364709, 400485, G06F 302

Patent

active

044867417

ABSTRACT:
A data input device equipped with a keyboard including a plurality of keys at least some of which are assigned both a letter of the alphabet and a numerical value, which keys are operated to generate signals representing data that comprises a letter of the alphabet and numerical values immediately following the letter. The initial operation of one of the keys produces the data indicated by the letter of the alphabet assigned to that key, and subsequent operation of the keys produces the data indicated by the numerical values assigned to the keys that have been operated.

REFERENCES:
patent: 3831147 (1974-08-01), Kafafian
patent: 4235442 (1980-11-01), Nelson
IBM Technical Disclosure Bulletin, Bantz et al., vol. 21, No. 9, Feb. 1979, pp. 3845-3846.
IBM Technical Disclosure Bulletin, Emmons et al., vol. 22, No. 12, May 1980, p. 5455.
Fanuc System 6T Operator's Manual, Jan. 1980, pp. 177-179, 196 and 208-209.

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