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.

Patent No.:

US 6677935 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 13, 2004

Filed:

Nov. 02, 2001
Applicant:
Inventors:

Masatoshi Kobayashi, Kawaguchi, JP;

Yukihiko Yagi, Yokohama, JP;

Nobuaki Arai, Tokorozawa, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 1/00 ;
U.S. Cl.
CPC ...
G09G 1/00 ;
Abstract

An objective is to provide a position pointing device, a program and a method for detecting the position pointing device which relates to a device pointing a position on a display screen and which can discriminate a scan mode of a display device and obtain information of pointed position by performing a processing corresponding to the discriminated scan mode. A photosensor ( ) provided in the position pointing device detects a scanning beam from a display device ( ) and generates a light detection signal. A scan mode discriminating section ( ) judges that a scan mode in the display device is not a standard scan mode type, but a multi-density scan type if a frequency component of the light detection signal includes a frequency component of a horizontal synchronous signal in a multi-density scan type display device.


Find Patent Forward Citations

Kobayashi, Masatoshi. (2004). Position pointing device, program, and pointed position detecting method (U.S. Patent No. 6677935). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6677935

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