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. 14, 2025
Filed:
Jan. 06, 2023
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Wei-Shiang Huang, Tainan, TW;
Tsai-Ling Kao, Tainan, TW;
Chun-Yi Lee, Chiayi, TW;
Jhe-Ruei Li, Tainan, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/26 (2006.01); G06T 7/00 (2017.01);
U.S. Cl.
CPC ...
G06T 7/001 (2013.01); G06T 2207/30164 (2013.01);
Abstract
A non-contact detection method for a nut is provided. The method includes the following steps. The nut is photographed to obtain a threaded hole image of the nut. A thread area comparison between the threaded hole image and a standard threaded hole image is performed. An area difference is obtained according to the result of the thread area comparison. Whether the nut is a good nut is determined according to the area difference.