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:
Feb. 22, 2011
Filed:
Jul. 29, 2005
John W. Frederick, Spring, TX (US);
Christopher D. Voltz, Spring, TX (US);
John W. Frederick, Spring, TX (US);
Christopher D. Voltz, Spring, TX (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A source unit has a video source, a digital audio source, a DDC/CI communications capability and a switch for coupling a pin of a standard video cable either to the digital audio source or to a non-audio conventional connection. A display device has a video consumer, a digital audio consumer, a DDC/CI communications capability and a switch for coupling the pin of the standard video cable either to the digital audio consumer or to a non-audio conventional connection. The switch in the display device is responsive to a DDC/CI command.