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.:
Date of Patent:
Jul. 20, 2010
Filed:
Sep. 23, 2005
Chul-yong Joung, Yongin-si, KR;
Jong-taek Kwak, Yongin-si, KR;
Young-ho Shin, Yongin-si, KR;
Bang-won Lee, Yongin-si, KR;
Chul-Yong Joung, Yongin-si, KR;
Jong-Taek Kwak, Yongin-si, KR;
Young-Ho Shin, Yongin-si, KR;
Bang-Won Lee, Yongin-si, KR;
ATLab Inc., , KR;
Abstract
An optical pointing device is provided. The optical pointing device includes: a base plate; a circuit board disposed on one side of the base plate, and having a light source irradiating light and a sensor receiving a light reflected from a working surface; an optical structure disposed between the base plate and the circuit board and having a light path guiding the light irradiated from the light source to the sensor; and a light blocking mean disposed on the light path to block the light path when the base plate is separated from a predetermined position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile