Input device

Details Input device Input device

1994-11-08

1996-12-10

Zimmerman, Brian

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

G06F 100

Patent

active

055834981

ABSTRACT:
In an input device, switches are disposed at points of intersection of an n.times.m matrix, a scanning signal is applied from rows or columns of the matrix, and an operated switch is detected by detecting the scanning signal output from rows or columns. In detecting the operated switch, the detected switches may include the actually-operated switch and a pseudo-operated switch. The input device can prevent the detection of a pseudo-operated switch.

REFERENCES:
patent: 3745536 (1973-07-01), Klehm, Jr.
patent: 3792466 (1974-02-01), Arnold et al.
patent: 4231016 (1980-10-01), Ueda
patent: 4333089 (1982-06-01), Leininger
patent: 4420744 (1983-12-01), Jesson
patent: 4502038 (1985-02-01), Lowenthal et al.
patent: 4581603 (1986-04-01), Ingold et al.
patent: 4833447 (1989-05-01), Sukigara

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