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US 5,775,252 AGranted
Tactile dial
OwnerGary Hartman Kilgoreinventor
Life of this patent
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Abstract
A disk shaped element has a plurality of tactile sensed position indicators arranged along its' circumference. Each position indicator consists of a straight bar terminated at one end with a rod having a diameter greater than the thickness of the corresponding bar. Each bar extends outwardly from the circumference of the disk, and each rod extends outwardly from the circumference a distance greater than the corresponding bar. Each position indicator on the dial is oriented analogous to an hour hand position on a clock, with the rod providing a reference for the base of the hand.
Claims1
A dial comprising:
- a disk;
- arranged on the circumference of said disk, a plurality of tactile sensed position indicating structures;
- each of said structures consisting of a bar terminated on a first end by a rod having a diameter greater than the thickness of the bar;
- each of said bars extending outwardly from the circumference of the disk;
- and each of said rods extending outwardly from the circumference of the disk, a distance greater than the bar corresponding thereto;
- each said position indicating structure corresponding to a different orientation of a hand of a clock.
3 more elements
Dependencies are inferred from the claim text.