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:
Oct. 15, 2019
Filed:
Jun. 04, 2018
Chi Hsiang Optics Co., Ltd., Hsinchu County, TW;
Po Hung Yao, Hsinchu, TW;
CHI HSIANG OPTICS CO., LTD., Hsinchu County, TW;
Abstract
A digital pen of the present disclosure includes a pen rod, an annular lens set provided in the pen rod, a pen core passing through the annular lens set and coaxial with the pen rod, a light source provided next to the pen core, an image receiver provided in the pen rod and operable to receive reflection light of light beams emitted from the light source, a microprocessor operable to control the light source and operable to receive a signal of the image receiver and perform analysis to acquire coordinate information of a position of the pen core, a wireless transmission module operable to transmit the coordinate information to an exterior, and a power source.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile