Patents by Inventor Hua-Chang Yin

Hua-Chang Yin 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).

  • Patent number: 8462953
    Abstract: A communication system for transmitting data of a first mobile station to a second mobile station includes a base station and a relay device. The base station is utilized for configuring an uplink and a downlink of the data to correspond to a first connection ID and a second connection ID respectively and for transmitting a traffic encryption key to the first and second mobile stations so that the first and second mobile stations share the traffic encryption key. The relay device is coupled to the base station and the first and second mobile stations via wireless communication, and utilized for receiving the data encrypted by the traffic encryption key and transferring the data of the first mobile station to the second mobile station according to the first and second connection IDs without going via the base station.
    Type: Grant
    Filed: December 24, 2007
    Date of Patent: June 11, 2013
    Assignee: Institute for Information Industry
    Inventors: Yi-Hsueh Tsai, Frank Chee-Da Tsai, Hua-Chang Yin
  • Publication number: 20100020974
    Abstract: A communication system for transmitting data of a first mobile station to a second mobile station includes a base station and a relay device. The base station is utilized for configuring an uplink and a downlink of the data to correspond to a first connection ID and a second connection ID respectively and for transmitting a traffic encryption key to the first and second mobile stations so that the first and second mobile stations share the traffic encryption key. The relay device is coupled to the base station and the first and second mobile stations via wireless communication, and utilized for receiving the data encrypted by the traffic encryption key and transferring the data of the first mobile station to the second mobile station according to the first and second connection IDs without going via the base station.
    Type: Application
    Filed: December 24, 2007
    Publication date: January 28, 2010
    Inventors: Yi-Hsueh Tsai, Frank Chee-Da Tsai, Hua-Chang Yin