Circular tactile keypad
OwnerThomas Samulewiczinventor
Life of this patent
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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.
Claims15
A digital keypad, comprising:
- a controller for signalling an electrical device;
- a keypad on said controller;
- a plurality of manually-operated key switches on a face of said keypad, said switches including switches marked with indicia 1-9 located about the circumference of a circle in clock-face arrangement, being radially spaced 30-degrees apart, and having the indicia "6" at the bottom of said circle;
- and
- a plurality of fixed ridges on the face of said keypad, each ridge being elongate and located along a radius from the center of said circle to one of said switches.
A digital keypad, comprising;
- a controller for signalling an electrical device:
- a keypad on said controller;
- a plurality of manually-operated key switches on a face of said keypad, said switches including switches located about the circumference of a circle being radially spaced 30-degrees apart;
- and
- a plurality of fixed ridges on the face of said keypad, each ridge being elongate and located along a radius from the center of said circle to one of said switches.
Dependencies are inferred from the claim text.