Circular tactile keypad

Details Circular tactile keypad Circular tactile keypad

1994-08-04

1995-12-26

Peng, John K.

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341 20, 341 21, 341 22, 400489, H03K 1794

Patent

active

054791634

ABSTRACT:
A digital keypad for a controller of an electrical device includes keys which are circularly arranged in a clock face pattern. The keys are marked with numeric indicia in sequential numeric order from 1 to 12, each switch being radially spaced 30-degrees apart. Some of the numbered keys may be replaced with other symbols as desired. Tactile key-finding ridges emanate from the center of the circular key pattern, extending in the direction of each key. The keypad may be releaseably affixed to a trigger grip stand, comprising a planar base and a vertical handle having a trigger switch which when depressed transmits preselected signals to the electrical device.

REFERENCES:
patent: 3754495 (1973-08-01), Honegger
patent: 4458238 (1984-07-01), Learn
patent: 5274693 (1993-12-01), Waldman

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