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:
Mar. 01, 2011
Filed:
Jun. 27, 2008
Don-hua Cheng, Taichung, TW;
Don-Hua Cheng, Taichung, TW;
Hiwin Mikrosystem Corp., Taichung, TW;
Abstract
A linear feedback positioning module is provided with a coupling and a drive at one side of a platform having a lead screw, a movable assembly combined on the lead screw and a feedback assembly. The feedback assembly includes a magnetic scale cooperating with a read head. The magnetic scale is combined on the platform and located along the lead screw to cooperate with the lead screw. The linear feedback positioning module is further used with a backend control assembly. By such arrangements, the feedback assembly can correct error at any moment to improve the process and product accuracy and increase the production efficiency and product competitiveness.