CAPACITIVE DISK UNIT
First Claim
1. A capacitive disk unit, comprising:
- a coupler, said coupler comprising;
a proximal face, anda socket, the socket comprising a plurality of fingers;
wherein the coupler is conductive.
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Abstract
Embodiments of a capacitive disk unit for a stylus for a capacitive touchscreen are disclosed. A conductive coupler has a flat proximal face and a socket for receiving a ball joint on its distal end. The distal portion of the socket may comprise a plurality of thin fingers that flex to capture the ball, forming notches between the fingers that are wide enough for the stylus shaft to pass into them, allowing the body of the stylus to be moved to a lower angle to the conductive coupler. Conductivity between the unit and the stylus is maintained continuously. If a larger diameter conductive surface is necessary, it may further comprise a disk and conductive layer, which may both be transparent. The conductive coupler may be molded of conductive polymer, and the disk may be overmolded using transparent polymer. Lack of metal parts reduces complexity, cost, and manufacturing defect risks.
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Citations
21 Claims
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1. A capacitive disk unit, comprising:
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a coupler, said coupler comprising; a proximal face, and a socket, the socket comprising a plurality of fingers; wherein the coupler is conductive. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17, 19, 20, 21)
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11. A capacitive disk unit, comprising:
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a coupler, said coupler comprising; a proximal face, and a socket; wherein the coupler is conductive. - View Dependent Claims (12, 13, 14, 15, 16)
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18. A capacitive disk unit, comprising:
a monolithic body comprising; a proximal face, a hollow formed in the proximal face, and a socket, the socket comprising a plurality of fingers at a distal end of the monolithic body, the socket intersecting the hollow.
Specification