Multi-status multi-function data processing key and key array

Details Multi-status multi-function data processing key and key array Multi-status multi-function data processing key and key array

1991-09-03

1996-06-18

Horabik, Michael

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341 23, 379369, G06F 302

Patent

active

055282350

ABSTRACT:
Multi-status data entry key and keyboard capable of a one-to-one correspondence between each key status and a pre-assigned signal or state, with the neutral position or status being one of the states. Each non-neutral key status is associated with a unique pre-determined signal and corresponds uniquely to a specific symbol function or operation. The implementation of this keypad in telephones, computers, cash registers and other devices is shown. Its implementation in telephones is extensively covered.

REFERENCES:
patent: 4029915 (1977-06-01), Ojima
patent: 4449839 (1984-05-01), Blever
patent: 4795862 (1989-01-01), Linden
patent: 4896003 (1990-01-01), Hsieh
Truelson; IBM Technical Disclosure Bulletin; vol. 26, No. 7B Dec. 1983, pp. 3746-3747.
IBM Technical Disclosure Bulletin; vol. 27, No. 10A, Mar. 1985, Compact Computer Keyboard.

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