Patents by Inventor Jihu Zhang

Jihu Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TV SIGNAL SWITCHING BOX AND CONTROLLING METHOD THEREOF
    Publication number: 20110321116
    Abstract: A TV set signal switching box is provided. The switching box is connected between a TV set and a plurality of signal sources to enable the signal sources to transmit media signals with the TV set interactively. The signal switching box comprises a first interface and a second interface, the first interface is electrically connected to and communicates interactively with the TV set, and the second interface is electrically connected to a plurality of signal sources and outputs a power supply signal and a control signal to the signal sources.
    Type: Application
    Filed: August 12, 2009
    Publication date: December 29, 2011
    Applicant: HAIER GROUP CO.
    Inventors: Chao Liu, Yilong Chen, Zida Yu, Xijia Hu, Liang Chen, Jihu Zhang