Portable information terminal

Details Portable information terminal Portable information terminal

Filed on

2007-02-13

Date issued

2007-02-13

Examiner

Liang, Regina (Department: 2629)

Patent Class

Computer graphics processing and selective visual display system

SubClass

Display peripheral interface input device

SubSubClass

Touch panel

Other Related Categories

C345S905000

Type

Reexamination Certificate

Status

active

Patent number

10631821

Description

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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