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

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

H - Electricity

03

M

H03M 11/04 (2006.01) G06F 3/023 (2006.01) G07G 1/00 (2006.01) H01H 13/70 (2006.01) H04M 1/23 (2006.01) H04M 11/06 (2006.01) H01H 25/00 (2006.01) H01H 25/04 (2006.01)

Patent

CA 2077184

TITLE OF INVENTION: MULTI-STATUS MULTI-FUNCTION DATA PROCESSING KEY AND KEY ARRAY: 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 invention in telephones, computers, cash registers and other devices is shown. Its implementation in telcphones is extensively covered.

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