INTERACTIVE PROGRAMMABLE INTERFACE FOR RELEGENDABLE LCD KEYSWITCHES

摘要

PCT No. PCT/IE94/00052 Sec. 371 Date Jun. 10, 1996 Sec. 102(e) Date Jun. 10, 1996 PCT Filed Nov. 7, 1994 PCT Pub. No. WO95/12843 PCT Pub. Date May 11, 1995An 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.