Intelligent key display

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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340365VL, 340365P, 200314, G09G 300

Patent

active

045517177

ABSTRACT:
A programmable key for use on a terminal has a microchip device incorporated therein to permit programming the function of the key, and one or more liquid crystal displays to indicate the programmed function of the key.

REFERENCES:
patent: 3825923 (1974-07-01), Pirchl
patent: 4022993 (1977-05-01), Shattuck
patent: 4352959 (1982-10-01), Warnecke et al.

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