Coordinate data input device and method of fabricating the same

Details Coordinate data input device and method of fabricating the same Coordinate data input device and method of fabricating the same

1997-05-01

1999-04-20

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345174, 178 18, G09G 500

Patent

active

058961275

ABSTRACT:
A coordinate data input device is fabricated by stacking a sensing board having a film provided with a plurality of parallel x-electrodes on its front surface, a plurality of parallel y-electrodes extending perpendicularly to the first electrodes on its back surface, and through holes formed at one end of each electrodes, and a printed wiring board provided with a plurality of through holes at positions corresponding to the through holes formed in the film of the sensing board at the ends of the first and the second electrodes, and a circuitry formed on its back surface, for driving and controlling the first and the second electrodes of the sensing board. Conductive films are formed on the side surfaces of the through holes of the sensing board and those of the printed wiring board so as to electrically connect the first and the second electrodes of the sensing board to the circuitry of the printed wiring board.

REFERENCES:
patent: 4794634 (1988-12-01), Torihata et al.
patent: 4797514 (1989-01-01), Talmage, Jr. et al.
patent: 4801767 (1989-01-01), Sato et al.
patent: 4801771 (1989-01-01), Mizuguchi et al.

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