WRITING TIP FOR A STYLUS
A stylus includes a housing, a writing tip at least partially extending out of the housing, and circuitry electrically connected to the writing tip, the circuitry operative to providing a signal for transmission via the writing tip. The writing tip of the stylus is formed with a compound material including a non-conductive base material and conductive filler.
1 . A stylus comprising:
a housing;
a writing tip at least partially extending out of the housing, the writing tip formed with a compound material including a non-conductive base material and conductive filler; and
circuitry electrically connected to the writing tip, the circuitry operative to providing a signal for transmission via the writing tip.
2 . The stylus of claim 1 , wherein the conductive filler includes carbon Nano-tube particles.
3 . The stylus of claim 1 , wherein the compound material is formed by coating the non-conductive base material with the conductive filler.
4 . The stylus of claim 1 , wherein the conductive filler includes at least one of carbon black powder and aluminum powder.
5 . The stylus of claim 1 , wherein the compound material includes adhesive material operative to bind the conductive fillers to the non-conductive base material.
6 . The stylus of claim 1 , wherein the non-conductive base material is at least one of a thermoplastic or a thermoset polymer.
7 . The stylus of claim 1 , wherein the non-conductive base material is synthetic fiber.
8 . The stylus of claim 1 , wherein the writing tip is formed by an injection molding process or compression molding.
9 . The stylus of claim 1 , wherein the writing tip is formed by injection molding process.
10 . The stylus of claim 1 , wherein the writing tip operates as an antenna for wirelessly transmitting the signal.
11 . The stylus of claim 1 , comprising a frame substantially surrounding at least a portion of the writing tip, wherein the frame is formed with conductive material.
12 . The stylus of claim 1 , wherein at least a portion of the housing surrounding the writing tip includes conductive material.
13 . The stylus of claim 12 , comprising an isolating element operative to electrically isolate the writing tip from the conductive material.
14 . The stylus of claim 1 , wherein the writing tip is movable and recedes toward the housing of the stylus in response to contact pressure applied on the writing tip.
15 . The stylus of claim 1 , wherein the writing tip is shaped with one or more bearing elements.
16 . The stylus of claim 1 , wherein the writing tip is formed from two separate parts and wherein one of the parts is formed from the compound material.
17 . A writing pin for use in a signal emitting stylus, wherein the writing pin operates as an antenna for wirelessly transmitting a signal and wherein the writing pin is formed from a compound material including a non-conductive base material combined with conductive particles.
18 . The writing pin of claim 17 , wherein the non-conductive base material includes a polymer.
19 . The writing pin of claim 17 , wherein the non-conductive base material includes a synthetic fiber.
20 . The writing pin of claim 17 , wherein the conductive filler includes carbon Nano-tube particles.
21 . The writing pin of claim 17 , wherein the compound material is formed by coating the non-conductive base material with the conductive filler.
22 . The writing pin of claim 17 , wherein the conductive filler includes at least one of carbon black powder and aluminum powder.
23 . The writing pin of claim 17 , wherein the compound material includes adhesive material operative to bind the conductive fillers to the non-conductive base material.