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 7435940 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 14, 2008

Filed:

Mar. 12, 2004
Applicants:

Jonas Ove Philip Eliasson, Copenhagen, DK;

Jen Wagenblast Stubbe Østergaard, Lejre, DK;

Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/033 (2006.01); G06F 3/042 (2006.01); G06M 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and a system, such as a touch pad, for determining the position of a radiation emitter, which radiation emitter may be an actively radiation emitting stylus, pen, pointer, or the like or may be a passive, radiation scattering/reflecting/diffusing element, such as a pen, pointer, or a finger of an operator. The radiation is modulated by a bar code element and provided onto an at least one-dimensional detector. From the output of the detector, the position of the radiation emitter is determined. This system may be used as a standard touch pad or for determining the position of emitters external thereto, such as a marker used on a wall or black/white board or may be used with 'internal' positions such as a touch pad.


Find Patent Forward Citations

Eliasson, Jonas Ove Philip. (2008). System and a method of determining the position of a radiation emitting element (U.S. Patent No. 7435940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7435940

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