Patents by Inventor Wenwang Zhou

Wenwang Zhou 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).

  • Method and device for bus arbitration, converter and production facility
    Patent number: 8639867
    Abstract: A method for bus arbitration is for use when working with multi-carrier modulation methods. Each user on a bus is assigned a unique address which identifies the user and which is transmitted upon each initiation of communication. The address is represented as a sequence of binary numerals, the number of bits of the binary numerals being equal to the number of carriers used in the multi-carrier modulation method. This sequence of binary numerals is transmitted successively for the arbitration via the multi-carrier modulation method, a user being eliminated from the arbitration when a further user at the same time has transmitted a binary numeral having higher priority. The transmission of the binary numeral may be repeated if the arbitration of the numeral does not lead to a result in one step. The method for bus arbitration may be used advantageously in a system for contactless energy supply. A redundant sending of phase-shifted signals reduces the failure rate because of random destructive interference.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: January 28, 2014
    Assignee: Sew-Eurodrive GmbH & Co. KG
    Inventors: Zhidong Hua, Olaf Simon, Wenwang Zhou, Cornelius Mertzlufft-Paufler
  • METHOD AND DEVICE FOR BUS ARBITRATION, CONVERTER AND PRODUCTION FACILITY
    Publication number: 20100088537
    Abstract: A method for bus arbitration is for use when working with multi-carrier modulation methods. Each user on a bus is assigned a unique address which identifies the user and which is transmitted upon each initiation of communication. The address is represented as a sequence of binary numerals, the number of bits of the binary numerals being equal to the number of carriers used in the multi-carrier modulation method. This sequence of binary numerals is transmitted successively for the arbitration via the multi-carrier modulation method, a user being eliminated from the arbitration when a further user at the same time has transmitted a binary numeral having higher priority. The transmission of the binary numeral may be repeated if the arbitration of the numeral does not lead to a result in one step. The method for bus arbitration may be used advantageously in a system for contactless energy supply. A redundant sending of phase-shifted signals reduces the failure rate because of random destructive interference.
    Type: Application
    Filed: October 18, 2007
    Publication date: April 8, 2010
    Inventors: Zhidong Hua, Olaf Simon, Wenwang Zhou, Cornelius Mertzlufft Paufler