Patent ID: 6882338

Claim:
An electrographic position location apparatus comprising: ( a ) a first antenna device comprising a plurality of first antenna members comprising a first plurality of first plate structures, a first plurality of second plate structures, and a first plurality of conductive members; (b) a second antenna device comprising a plurality of second antenna members comprising a second plurality of first plate structures, a second plurality of second plate structures, and a second plurality of conductive members, wherein portions of the first plurality of conductive members and the second plurality of conductive members overlap to define an active area; (c) an output device; (d) a processor operatively coupled to the first antenna device, the second antenna device, and the output device; and (e) a stylus operatively coupled to the processor, wherein the first plurality of conductive members include conductive fingers, wherein the second plurality of conductive members include conductive fingers, and wherein the conductive fingers of the first and second pluralities of conductive members overlap.