Patents by Inventor Phieu Tran

Phieu Tran 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: 7426382
    Abstract: A method in a wireless communication device including receiving contact information with a signature from a source (310) not on a trusted contact list, validating (362) the signature by comparing the signature to an reference signature stored on the method in a wireless communication device, and updating (368) the trusted contact list regarding the contact information received if the signature is valid. In some applications, the contact information and signature is associated with a wireless communication device provisioning session request message.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: September 16, 2008
    Assignee: Motorola, Inc.
    Inventors: Naveen Aerrabotu, Phieu Tran, Jerome Vogedes
  • Publication number: 20040203598
    Abstract: A method in a wireless communication device including receiving contact information with a signature from a source (310) not on a trusted contact list, validating (362) the signature by comparing the signature to an reference signature stored on the method in a wireless communication device, and updating (368) the trusted contact list regarding the contact information received if the signature is valid. In some applications, the contact information and signature is associated with a wireless communication device provisioning session request message.
    Type: Application
    Filed: October 9, 2002
    Publication date: October 14, 2004
    Inventors: Naveen Aerrabotu, Phieu Tran, Jerome Vogedes
  • Patent number: 5490144
    Abstract: The present invention provides a method and system of statistical estimation of uplink traffic using a retry count. A unique spread factor is used for spreading retransmission evenly among backlogged subscriber units, thereby providing dynamic control of the retransmission spread based on the estimated uplink traffic.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: February 6, 1996
    Assignee: Motorola, Inc.
    Inventors: Phieu Tran, Jeffrey C. Smolinske, Robert C. Scheibel, Jr.