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. 30, 2001
Filed:
Sep. 09, 1998
Wai-Leong Poon, Richmond Hill, CA;
David Chih, Scarborough, CA;
ATI Technologies, Thornhill, CA;
Abstract
A display data format conversion circuit and method facilitates display of data on a plurality of display devices based on display data of a source display device. The system incorporates a resynchronization circuit that dynamically varies a frame rate of one display device based on the instantaneous frame rate of the source device to maintain synchronization of the displays. A display timing generator circuit for a first display, such as an LCD display, produces a first display timing signal. The resynchronization circuit is operatively responsive to the first display timing signal and a second display timing signal wherein the second display timing signal is associated with a second display device, such as a source display device. In one embodiment, the resynchronization circuit includes a vertical blanking time variation circuit that adaptively and continuously varies the frame rate of the first display device by varying a vertical blanking time of the first display device.