The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 07, 2003

Filed:

Oct. 28, 1998
Applicant:
Inventors:

Yukihide Inagaki, Yokohama, JP;

Hideki Kamimaki, Fujisawa, JP;

Tsuyoshi Nakagawa, Hadano, JP;

Koichi Kimura, Kamakura, JP;

Hideaki Gemma, Hadano, JP;

Assignee:

Hitachi Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/00 ;
U.S. Cl.
CPC ...
G09G 5/00 ;
Abstract

An information processor including a keyboard, a main body and a display device. The keyboard is provided with plural infrared-ray emission elements which are located at different positions so as to face in different directions, and an identifying code setting switch for setting the identification code of the keyboard into an infrared-ray signal transmitted from each infrared-ray emission element. The main body includes plural infrared-ray receiving elements which are located at different positions so as to face in different directions, an identifying code setting switch for setting the identification code of the keyboard, and a keyboard controller for judging whether the same identification code as set by the identification code setting switch is contained in the infrared-ray signal which is received by any one of the infrared-ray receiving elements.


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