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.:

US 9274739 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 01, 2016

Filed:

Apr. 17, 2009
Applicants:

Cyrille Gachon, Saint Marcellin, FR;

Daniel Ladret, Lans-en-Vercors, FR;

Nicholas Smears, Saint Engreve, FR;

Inventors:

Cyrille Gachon, Saint Marcellin, FR;

Daniel Ladret, Lans-en-Vercors, FR;

Nicholas Smears, Saint Engreve, FR;

Assignee:

ST-Ericsson SA, Plan-les-Ouates, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 21/00 (2011.01); G06F 3/14 (2006.01); G09G 5/00 (2006.01); H04N 5/44 (2011.01); H04N 21/4363 (2011.01); H04N 5/63 (2006.01);
U.S. Cl.
CPC ...
G06F 3/14 (2013.01); G09G 5/003 (2013.01); G09G 5/006 (2013.01); H04N 5/4401 (2013.01); H04N 21/43632 (2013.01); G09G 2330/021 (2013.01); G09G 2370/12 (2013.01); H04N 5/63 (2013.01); Y10T 307/696 (2015.04);
Abstract

There is provided a source device, which is adapted to communicate with a sink device through an HDMI cable. The sink device comprises an internal circuit, handshaking circuitry adapted to verify if the sink device is able to supply a current on a line of the HDMI cable, an internal power supply intended for powering the line and a switching circuit able to uncouple the internal power supply from the line and able to couple the internal circuit to the line. There is also provided a sink device, which is adapted to communicate with a source device through an HDMI cable. The sink device comprises a power supply, hand-shaking circuitry able to indicate that the sink device is able to supply a current on a line of said HDMI cable, and a circuit able to couple the power supply to the line.


Find Patent Forward Citations

Loading…