Patents by Inventor Eric J. Levken

Eric J. Levken 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/apparatus for an accelerated response to resource allocation requests in a CDMA push-to-talk system using a CDMA interconnect subsystem to route calls
    Patent number: 5983099
    Abstract: In a push-to-talk dispatch system, a method and apparatus for providing an accelerated response to a push-to-talk origination message. A first base station allocates a first set of equipment to support a push-to-talk connection. A first system controller allocates a second set of equipment to support the push-to-talk connection. Upon receipt of a push-to-talk origination message from a first remote unit, the first base station transmits an immediate response to the first remote unit, instructing it to communicate through the first set of equipment and the second set of allocated equipment.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: November 9, 1999
    Assignee: Qualcomm Incorporated
    Inventors: Yu-Dong Yao, Matthew S. Grob, Eric J. Levken, Katherine W. White