Keypad for a communication instrument, particularly a subscriber

Details Keypad for a communication instrument, particularly a subscriber Keypad for a communication instrument, particularly a subscriber

1995-11-15

1997-01-28

Zele, Krista M.

Telephonic communications

Terminal

Housing or housing component

379434, 379368, H04M 100

Patent

active

055984690

ABSTRACT:
A communication instrument has a housing for containing various electrical or electronic circuits and, on an operator side, a push button paid with predetermined functions being associated with the buttons. To allow the instrument to be made with a narrow form factor, yet remain functional, the keypad includes at least two parallel rows of buttons. The buttons are arranged at the smallest possible distances apart from each other which still permit reliable actuation by depressing of a button. All buttons of one row have their upper button surfaces at a greater height than all of the buttons of another row so that in each case adjacent rows of buttons form a step. A user's finger will then activate only one button of the communication instrument.

REFERENCES:
patent: D309137 (1990-07-01), Gisser
patent: 2099143 (1937-11-01), Roberts et al.
patent: 3483333 (1969-12-01), Cregeen
patent: 3927282 (1975-12-01), Firstenberg
patent: 5027394 (1991-06-01), Ono et al.
Telephone Model: E802132, Jun. 1985.

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