Control keyboard for a multiple system accessing unit

Details Control keyboard for a multiple system accessing unit Control keyboard for a multiple system accessing unit

1987-03-23

1988-08-23

Brigance, Gerald L.

Communications: electrical

Audible indication

Percussion-type sound producer

340711, 340365VL, G06F 300

Patent

active

047664185

ABSTRACT:
The Keyboard has two areas of keys each with its own microcomputer control circuit, a first area comprising system selection and associated function keys, and the second area comprising a standard alpha numeric key arrangement. Data deriving from operated keys in the second area is sent by the associated control circuit to the control circuit associated with the first area, from where it is transmitted to the destination identified by the keys operated in the first area. The use of separate control circuits gives the keyboard great flexibility of use while allowing the second area of keys and the associated control circuit to be of conventional type.

REFERENCES:
patent: 4385366 (1983-05-01), Housey, Jr.
patent: 4404551 (1983-09-01), House et al.
patent: 4566001 (1986-01-01), Moore et al.
patent: 4667307 (1987-05-01), Porcher et al.
patent: 4698618 (1987-10-01), Liuzzo et al.
"Keyboard Definition Function", IBM Technical Disclosure Bulletin, vol. 27, No. 5, 10-84, Bradney et al.

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