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.

Date of Patent:
Oct. 31, 2017

Filed:

Aug. 18, 2015
Applicant:

Huawei Device Co., Ltd., Shenzhen, CN;

Inventors:

Yingqi Xu, Wuhan, CN;

Zhiqin He, Shenzhen, CN;

Cunzhi Fan, Shenzhen, CN;

Assignee:

HUAWEI DEVICE CO., LTD., Shenzhen, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/00 (2006.01); H04N 21/4363 (2011.01); H04N 5/63 (2006.01); H04N 5/268 (2006.01); H04N 5/765 (2006.01); G06F 13/40 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
H04N 21/43635 (2013.01); H04N 5/268 (2013.01); H04N 5/63 (2013.01); H04N 5/765 (2013.01); G06F 3/067 (2013.01); G06F 3/0635 (2013.01); G06F 13/4022 (2013.01); G09G 2370/12 (2013.01);
Abstract

The high-definition multimedia interface (HDMI) unit includes a source interface module, configured to communicate with a sink device, a sink interface module, configured to communicate with a source device, an interface circuit module, configured to connect to an HDMI interface of an external device, a processing module, configured to identify a device type of the connected external device, and control a switching circuit module, and the switching circuit module, configured to establish a connection between the HDMI interface of the external device connected to the interface circuit module and the source interface module or the sink interface module. It is implemented that when a different type of a device connected to a multimedia terminal matches a port, it is ensured that the multimedia terminal establishes a connection to a source device or a sink device.


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