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:
Feb. 02, 2021
Filed:
May. 09, 2018
Shenzhen Goodix Technology Co., Ltd., Guangdong, CN;
Mengta Yang, Taipei, TW;
Shenzhen Goodix Technology Co., Ltd., Guangdong, CN;
Abstract
The present invention provides an optical distance measuring method, comprising confirming an expression of a first measured distance according to a plurality of first parameters; computing a time-of-flight (ToF) measured distance according to a time of flight; computing optimized values of the plurality of first parameters and an optimized value of a ToF error corresponding to the ToF measured distance according to the expression of the first measured distance and the ToF measured distance; and obtaining a depth image information according to the ToF measured distance, the optimized values of the plurality of first parameters and the optimized value of the ToF error; wherein the plurality of first parameters comprises an elevation angle and an Azimuth angle corresponding to the object reflecting point and a distance between the light emitting module and the light sensing module.