Patents by Inventor Xie Feng

Xie Feng 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).

  • Patent number: 10036516
    Abstract: The present invention discloses an LED lamp, which includes an LED light source module including at least one group of LED light source components, and further includes three drive circuits and a control circuit. The LED light source components include a first, a second, and a third LED light source. The first light source includes a first blue LED chip, a green phosphor is coated on the first blue LED chip. The second light source includes a second blue LED chip, a yellow phosphor is coated on the second blue LED chip. The third light source includes a third red LED chip. The control circuit determines drive currents of various LED light sources and drives the LED light sources through the drive circuits.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: July 31, 2018
    Assignee: SHENZHEN UNIVERSITY
    Inventors: Jianhua Yu, Riguang Chen, Xie Feng, Lei E
  • Publication number: 20160153622
    Abstract: The present invention discloses an LED lamp, which includes an LED light source module including at least one group of LED light source components, and further includes three drive circuits and a control circuit. The LED light source components include a first, a second, and a third LED light source. The first light source includes a first blue LED chip, a green phosphor is coated on the first blue LED chip. The second light source includes a second blue LED chip, a yellow phosphor is coated on the second blue LED chip. The third light source includes a third red LED chip. The control circuit determines drive currents of various LED light sources and drives the LED light sources through the drive circuits.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Inventors: Jianhua Yu, Riguang Chen, Xie Feng, Lei E
  • Patent number: 8687539
    Abstract: A light-weight relay selection mechanism selects the most likely “best” relay station for data transmission from a given source station S to an access point AP using the Initial Receive Signal Strength (IRSS) to infer the future data transmission rate. In the initialization stage, the access point AP constructs a table mapping the IRSSs of receivers to eight levels of transmission rate. In the relay selection stage, relay candidates R measure the IRSSs for the source station S and access point AP and report their IRSS levels to the AP. A contention-based mechanism is dedicated to enabling the candidate with higher IRSS levels to report earlier. With this mechanism, the access point AP is able to select the station with the highest estimated data transmission rate.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: April 1, 2014
    Assignee: British Telecommunications PLC
    Inventors: Hui M J Tay, Benjamin Bappu, Xie Feng
  • Publication number: 20090028086
    Abstract: A light-weight relay selection mechanism for selecting the most-likely “best” relay station for data transmission from a given source station S to an access point AP uses the Initial Receive Signal Strength (IRSS) to infer the future data transmission rate. In the initialisation stage, the access point AP constructs a table mapping the IRSSs of receivers to eight levels of transmission rate. In the relay selection stage, relay candidates R measure the IRSSs for the source station S and access point AP and report their IRSS levels to the AP. A contention-based mechanism is dedicated to enabling the candidates with higher IRSS levels to report earlier. With this mechanism, the access point AP is able to select the station with the highest estimated data transmission rate.
    Type: Application
    Filed: February 28, 2007
    Publication date: January 29, 2009
    Inventors: Hui MJ Tay, Benjamin Bappu, Xie Feng