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:
Sep. 04, 2012
Filed:
Jun. 02, 2010
Applicants:
Chin-jui Liu, Xizhi, TW;
Wei-kuang Chu, Taipei, TW;
Inventors:
Chin-Jui Liu, Xizhi, TW;
Wei-Kuang Chu, Taipei, TW;
Assignee:
Dell Products L.P., Round Rock, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); G09G 5/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for resolving the blank screen issue when switching between graphics processing units. The system and method provide a graphics adapter LCD timing controller (Tcon) with a frame buffer specifically dedicated to storing previously presented screen data for use when switching graphic processing units. The system further includes a protocol comparator unit within a serial-to-parallel converter and a memory controller coupled to the protocol comparator.