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:
Jan. 14, 2020
Filed:
Nov. 22, 2017
National Tsing Hua University, Hsinchu, TW;
NATIONAL TSING HUA UNIVERSITY, Hsinchu, TW;
Abstract
A positioning and measuring system includes: an image scale supporting an object and having positioning mark sets and encoding pattern sets arranged in a two-dimensional array, each of the positioning mark sets including positioning marks, each of the encoding pattern sets including encoding patterns respectively disposed in gaps between the positioning marks; an image capturing device capturing measurement points of the object and an image scale to obtain composite images; a processor processing the composite images and determining one or multiple position relationships between the measurement points according to the encoding patterns and the positioning marks; and a driving mechanism, which is electrically connected to the processor and mechanically connected to the image capturing device or the image scale, and drives one of the image capturing device and the image scale to move relatively to the other of the image capturing device and the image scale.