Patents by Inventor Cheng Lin Tan

Cheng Lin Tan 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 for recovering information stored in a smart card
    Patent number: 7293717
    Abstract: A system and method for using a smart card. The system includes a smart card enabler receiving a first identification key from a smart card. The smart card enabler compares the first identification key with a second identification key. If the first identification key matches the second identification key, the smart card enabler enables the smart card to function with a smart card reader. Also, if information stored in a smart card is incapable of being retrieved from the smart card, the transaction information stored in the smart is recovered by using information stored in a smart card enabler.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: November 13, 2007
    Assignee: Centre for Wireless Communications of National University of Singapore
    Inventors: Jaya Shankar Pathmasuntharan, Cheng Lin Tan
  • System and method for using a smart card
    Patent number: 6955299
    Abstract: A system and method for using a smart card. The system includes a smart card enabler receiving a first identification key from a smart card. The smart card enabler compares the first identification key with a second identification key. If the first identification key matches the second identification key, the smart card enabler enables the smart card to function with a smart card reader. Also, if information stored in a smart card is incapable of being retrieved from the smart card, the transaction information stored in the smart is recovered by using information stored in a smart card enabler.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: October 18, 2005
    Assignee: Centre for Wireless Communications of National University of Singapore
    Inventors: Jaya Shankar Pathmasuntharan, Cheng Lin Tan
  • Internet network based telephone call forwarding system and method
    Patent number: 6628647
    Abstract: An Internet network based telephone call forwarding system comprising a home unit to which a user's telephone calls are directed and a remote unit to which a user's telephone calls are forwarded, wherein the home unit has an incoming line connectable to a telephone network and an outgoing line connectable to an Internet network and the remote unit has a line connectable to the Internet network, wherein the home unit is operable to forward calls directed to the home unit on the incoming line to the remote unit on the outgoing line via the Internet network.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: September 30, 2003
    Assignee: National University of Singapore
    Inventors: Kee Chaing Chua, Cheng Lin Tan