Keyboard assembly with controllable key legends

Details Keyboard assembly with controllable key legends Keyboard assembly with controllable key legends

1978-06-05

1981-07-21

Groody, James J.

Communications: electrical

Audible indication

Percussion-type sound producer

200DIG1, 340365C, 340712, 364706, G06F 302, G06G 300

Patent

active

042801214

ABSTRACT:
A keyboard/display assembly is provided in which the individual key legends are controlled by an external computer. The computer is programmed to respond to any specific key activation in a manner defined by the current displayed legend for that key. These responses may include changing the legend on the initiating key, or those on any other keys. By this means, a small number of keys may replace an arbitrarily large number of fixed function keys.

REFERENCES:
patent: 3879722 (1975-04-01), Knowlton
patent: 3956745 (1976-05-01), Ellis
patent: 4035795 (1977-07-01), Fosnough et al.
patent: 4037092 (1977-07-01), Osborne
patent: 4078257 (1978-03-01), Bagley
patent: 4107784 (1978-08-01), Van Bemmelen
patent: 4125783 (1978-11-01), Sefton
"Variable-Read Keyboard", Gelb et al., IBM Technical Disclosure Bulletin, vol. 15, May 1973, p. 3597.
"Variable Keyboard for Terminal Displays", Cummings, IBM Technical Disclosure Bulletin, vol. 16, Jul. 1973, pp. 575, 576.
"Programmable Key/Display/Switch Device", Bigbie et al., IBM Technical Disclosure Bulletin, vol. 21, Jul. 1978, pp. 442-444.

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