Patents by Inventor Jian-Chun CHENG

Jian-Chun CHENG 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).

  • Acoustic diode
    Patent number: 8511423
    Abstract: An acoustic diode includes a phononic crystal medium, a nonlinear acoustic medium, a aluminum tubes contain the phononic crystal medium and the nonlinear acoustic medium. The phononic crystal medium is fabricated by alternately laminating a water layers and a glass layers in a periodic manner.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: August 20, 2013
    Assignees: AAC Acoustic Technologies (Shenzhen) Co., Ltd., American Audio Components Inc.
    Inventors: Jian-Chun Cheng, Bin Liang, Juan Tu, Xia-Sheng Guo, Dong Zhang
  • ACOUSTIC DIODE
    Publication number: 20120186904
    Abstract: An acoustic diode includes a phononic crystal medium, a nonlinear acoustic medium, a aluminum tubes contain the phononic crystal medium and the nonlinear acoustic medium. The phononic crystal medium is fabricated by alternately laminating a water layers and a glass layers in a periodic manner.
    Type: Application
    Filed: July 26, 2011
    Publication date: July 26, 2012
    Applicant: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
    Inventors: Jian-Chun CHENG, Bin LIANG, Juan TU, Xia-Sheng GUO, Dong ZHANG