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Application filed by Feltscope LtdfiledCriticalFeltscope Ltd
Priority to IES940870priorityCriticalpatent/IES65514B2/en
Publication of IES940870A2publicationCriticalpatent/IES940870A2/en
Publication of IES65514B2publicationCriticalpatent/IES65514B2/en
239000004973liquid crystal related substanceSubstances0.000abstract1
Landscapes
Calculators And Similar Devices
(AREA)
Input From Keyboards Or The Like
(AREA)
Abstract
An interface circuit for interfacing a relegendable liquid crystal display (LCD) keyswitch to a controlling processor. The interface circuit is adaptable for use with data input devices and point-of-sale devices.
IES9408701993-11-051994-11-07Interactive programmable interface for relegendable lcd keyswitches and apparatus for use therewith
IES65514B2
(en)