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:
Nov. 04, 2025
Filed:
Dec. 27, 2023
Industry-academia Cooperation Group of Sejong University, Seoul, KR;
Jin Yong Ha, Seoul, KR;
Abstract
A transmission unit of a wireless optical charging system considering user safety according to the present disclosure includes: a light source unit that generates laser light; an output unit that outputs the laser light to an outside; a reflected light output unit that is located between the light source unit and the output unit and outputs reflected light in which the output laser light is reflected from a reception unit and returned; and a light generation control unit that controls a generation of the laser light from the light source unit according to a result of determining whether a user is located between the transmission unit and the reception unit based on the reflected light.