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. 20, 2018
Filed:
Jun. 06, 2016
Hisense Co., Ltd., South area of Qingdao, CN;
Hisense Usa Corp., Suwanee, GA (US);
Hisense International Co., Ltd., Shandong, CN;
Fei Zhao, South area of Qingdao, CN;
Xianrong Liu, South area of Qingdao, CN;
HISENSE CO., LTD., South Area of Qingdao, CN;
HISENSE USA CORPORATION, Suwanee, GA (US);
HISENSE INTERNATIONAL CO., LTD., Qingdao, Shandong, CN;
Abstract
An embodiment of the present disclosure discloses a method for detecting flatness of a fluorescent wheel in a laser light source, comprising: acquiring, during the rotation of a fluorescent wheel, a spot of laser light emitted by a laser reflected from a substrate of the fluorescent wheel; determining an inner diameter of the spot; and determining flatness of the fluorescent wheel according to the inner diameter of the spot.