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:
Apr. 24, 2007
Filed:
Nov. 19, 2004
Applicants:
Wen-chin Lee, Taipei, TW;
Shang-hao Chen, Taipei, TW;
Inventors:
Wen-Chin Lee, Taipei, TW;
Shang-Hao Chen, Taipei, TW;
Assignees:
Gimbal Technology Co., Ltd., Taipei, TW;
Sunrex Technology Corp., Taichung Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/30 (2006.01); G09G 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A precise, consistent, reliable, and high resolution magnetism metric controller applied in electronic and information devices is comprised of a scrolling wheel mechanism to drive by rotation a permanent magnet to retrieve signals of changed magnetic field due to displacement of magnetic poles of the permanent magnet.