Portable information terminal

Details Portable information terminal Portable information terminal

2007-02-13

2007-02-13

Liang, Regina (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S905000

Reexamination Certificate

active

10631821

ABSTRACT:
The present invention provides a portable information terminal with fewer differences between models in a parts configuration even when manufacturing a plurality of models with different detectors. The portable information terminal includes an upper cover section and a main body and the upper cover section is provided with a digitizer detecting, when a position on a display screen is pointed, the position and outputting a position signal and a conversion board that converts the position signal output from the digitizer through analog signal lines to a predetermined digital signal and inputs the signal to the main body.

REFERENCES:
patent: 5264992 (1993-11-01), Hogdahl et al.
patent: 6035363 (2000-03-01), Fujita
patent: 2002/0190956 (2002-12-01), Klein et al.
patent: 8-212151 (1996-08-01), None
patent: 2002-182854 (2002-06-01), None
Office action from the Japanese Patent Office in the corresponding Japanese patent application dated Jul. 20, 2006.

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