Patents by Inventor Xiang-Lin Chu

Xiang-Lin Chu 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).

  • System for preventing unauthorized use of a mobile phone
    Patent number: 7623845
    Abstract: The present invention is to provide a system for preventing unauthorized use of a mobile phone, which comprises a portable object having a radio frequency identification component installed therein and a mobile phone installed with a decoding module and an identification data, such that after the mobile phone is turned on, the radio frequency identification component and the mobile phone carry out the steps of sending out a radio signal from the decoding module; issuing an identifying data by the radio frequency identification component when being located in an effective range for receiving the radio signal; decrypting the identifying data by the decoding module after receiving the identifying data; and enabling the mobile phone to be used normally when the decrypted identifying data matches with the identification data.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: November 24, 2009
    Assignee: Inventec Appliances Corp.
    Inventors: Cheng-Shing Lai, Xiang-Lin Chu
  • System for preventing unauthorized use of a mobile phone
    Publication number: 20060009196
    Abstract: The present invention is to provide a system for preventing unauthorized use of a mobile phone, which comprises a portable object having a radio frequency identification component installed therein and a mobile phone installed with a decoding module and an identification data, such that after the mobile phone is turned on, the radio frequency identification component and the mobile phone carry out the steps of sending out a radio signal from the decoding module; issuing an identifying data by the radio frequency identification component when being located in an effective range for receiving the radio signal; decrypting the identifying data by the decoding module after receiving the identifying data; and enabling the mobile phone to be used normally when the decrypted identifying data matches with the identification data.
    Type: Application
    Filed: May 20, 2005
    Publication date: January 12, 2006
    Applicant: Inventec Appliances Corp.
    Inventors: Cheng-Shing Lai, Xiang-Lin Chu