Patents by Inventor Yi-Yu Lu

Yi-Yu Lu 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).

  • Antenna diversity switch of wireless dual-mode co-existence systems
    Patent number: 7505790
    Abstract: The present invention discloses an antenna diversity switch, used for receiving and transmitting RF signals for dual-mode co-existence wireless communication system. The antenna diversity switch comprises a first transmitting port; a second transmitting port; a receiving port; a first control unit, electrically connected between the first transmitting port and a first antenna; a second control unit, electrically connected between the first transmitting port and a second antenna; a third control unit, electrically connected between the second transmitting port and the first antenna; a forth control unit, electrically connected between the second transmitting port and the second antenna; a fifth control unit, electrically connected between the receiving port and the first antenna; a sixth control unit, electrically connected between the receiving port and the second antenna. The antenna diversity switch according to the present invention meets the requirement of IEEE 802.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: March 17, 2009
    Assignees: Integrated Systems Solution Corp.
    Inventors: Sheng-Fuh Chang, Wen-Lin Chen, Yi-Yu Lu, Hung-Cheng Chen, Shu-Fen Tang, Albert Chen