Title:
KEY READING SYSTEM AND DEVICES
Document Type and Number:
Japanese Patent JP51113415
Kind Code:
A
Abstract:
PURPOSE: Using one or two personal terminals and a signal input terminal as even key inputs for liquid crystal driving it is possible to read keys omitting many terminals.
Inventors:
Osada, Kazuhiko
Application Number:
JP1975000037527
Publication Date:
October 06, 1976
Filing Date:
March 28, 1975
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G06F15/02; G06F3/02; G06F3/023; G06F3/147; H03M11/20; (IPC1-7): G06F3/02; G06K15/18