Patents by Inventor Wutu Wang

Wutu Wang 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).

  • Wideband slot-loop antennas for wireless communication systems
    Patent number: 6259416
    Abstract: A wideband slot-loop antenna is described which comprises a generally planar loop element having a generally rectangular outer perimeter and a slot defining an inner perimeter, the mid portion of the slot-loop structure providing a major radiation portion of the antenna; a loading structure extending from one end of the slot, the loading structure for top loading the radiation portion; and an impedance matching portion for coupling a feed to the major radiation portion. The antenna also includes distributed matching patches. The distributed matching patches realize extra wideband performance. The antennas in the present invention are suitable for various wireless communications, such as PCS, Cellular Telephone, wireless data and computer network.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: July 10, 2001
    Assignee: Superpass Company Inc.
    Inventors: Yihong Qi, Lizhong Zhu, Xifan Chen, Wutu Wang