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. 31, 2017
Filed:
Aug. 25, 2016
Platech Co., Ltd., Incheon, KR;
Jong Tai Park, Gyeonggi-do, KR;
PLATECH CO., LTD., Incheon, KR;
Abstract
Disclosed herein is an apparatus for controlling an operation of a road stud. The apparatus includes a light emitting unit of the road stud, a power supply unit configured to supply power to the light emitting unit, an illumination sensor unit configured to apply a voltage corresponding to a peripheral illumination of the road stud, a reference-voltage generating unit configured to apply a reference voltage corresponding to a reference illumination of the road stud, a light emitting control unit configured to interrupt supply of power to the light emitting unit when the peripheral illumination of the road stud is equal to or more than the reference illumination, and configured to allow the supply of the power to the light emitting unit only when the peripheral illumination of the road stud is less than the reference illumination, and a road stud type-identification unit.