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. 15, 2008
Filed:
Nov. 29, 2004
Tzu-yi Chao, Hsin-Chu, TW;
Chih-hung LU, Hsin-Chu, TW;
Chuan-hsin Lee, Hsin-Chu, TW;
PixArt Imaging Inc., Hsin-Chu Hsien, TW;
Abstract
A video image capturing and displaying method for a web camera is disclosed. The method includes the steps of: capturing a video image consisting of a time series of image frames, at an adaptive frame rate, each image frame comprising a plurality of sequential lines of pixels; compressing the captured video image with one of at least a first compressing mode and a second compressing mode; decompressing the compressed video image corresponding to the compressing mode; storing, in a buffer, the decompressed video image which is not displayed in time; and displaying the video image based on the stored video image and the decompressed video image, wherein the adaptive frame rate in the capturing step is determined according to the display quality of the video image being displayed in the displaying step.