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. 28, 2009
Filed:
Mar. 03, 2006
Applicants:
Chin-chih Lin, Taipei, TW;
Jui-hsiang Lo, Taipei, TW;
Chiou-shann Fuh, Shulin, TW;
Chia-hao Chang, Taipei, TW;
Inventors:
Chin-Chih Lin, Taipei, TW;
Jui-Hsiang Lo, Taipei, TW;
Chiou-Shann Fuh, Shulin, TW;
Chia-Hao Chang, Taipei, TW;
Assignee:
Primax Electronics, Ltd., Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A zoom tracking method for digital camera is disclosed. The method comprises storing a position table comprising data of several zoom position curves respect to positions of a focus lens and move the focus lens position by looking up said position table while moving a zoom lens position. The curves are divided into a first linear region, a second linear region and a nonlinear region to reduce the table size while still achieving good image quality.