Input device

Details Input device Input device

1988-09-12

1989-05-23

Yusko, Donald J.

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

371 60, H03K 1794

Patent

active

048334472

ABSTRACT:
An input device relating to the manipulation of data indicating the depressed state of key switches and to the transmission of data and adapted for picking up on-off data on switches provided at the points of intersection of conductors disposed in the form of a matrix and for transferring these data to a microprocessor.

REFERENCES:
patent: 3745536 (1973-07-01), Klehm, Jr.
patent: 3792466 (1974-02-01), Arnold et al.
patent: 4381502 (1983-04-01), Prame

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