Patents by Inventor CHEN-MAO RAO

CHEN-MAO RAO 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).

  • Wireless communication system having dual-band coexistence architecture
    Patent number: 11870484
    Abstract: A wireless communication system having a dual-band coexistence architecture is provided, and the system includes a processing circuit, a first transceiver, a first front-end module, a first switch circuit, a first filter, a second filter, a second switch circuit, a first antenna, a second transceiver, a second front-end module, a third switch circuit, a third filter, a fourth filter, a fourth switch circuit and a second antenna. The first filter and the second filter use a combination of a wideband filter and a narrowband filter, and the fourth filter and the third filter also use a combination of a wideband filter and a narrowband filter, so as to achieve the dual-band coexistence architecture.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: January 9, 2024
    Assignee: WISTRON NEWEB CORPORATION
    Inventors: Chen-Mao Rao, Li-Yuan Chang, Yu-Fang Chang
  • WIRELESS COMMUNICATION SYSTEM HAVING DUAL-BAND COEXISTENCE ARCHITECTURE
    Publication number: 20220416836
    Abstract: A wireless communication system having a dual-band coexistence architecture is provided, and the system includes a processing circuit, a first transceiver, a first front-end module, a first switch circuit, a first filter, a second filter, a second switch circuit, a first antenna, a second transceiver, a second front-end module, a third switch circuit, a third filter, a fourth filter, a fourth switch circuit and a second antenna. The first filter and the second filter use a combination of a wideband filter and a narrowband filter, and the fourth filter and the third filter also use a combination of a wideband filter and a narrowband filter, so as to achieve the dual-band coexistence architecture.
    Type: Application
    Filed: October 25, 2021
    Publication date: December 29, 2022
    Inventors: CHEN-MAO RAO, LI-YUAN CHANG, YU-FANG CHANG