Patents by Inventor Scott Hackman

Scott Hackman 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 and system for selecting provisioning information for mobile communication device from non-volatile memory
    Publication number: 20040204051
    Abstract: A wireless communication device has logic that preferentially obtains provisioning information from a removable user identification module if one is provided, and otherwise obtains provisioning information resident in a permanently installed onboard non-volatile memory such as a flash memory device.
    Type: Application
    Filed: August 27, 2002
    Publication date: October 14, 2004
    Inventors: Clifton E. Scott, Scott Hackman
  • Voltage controlled oscillator with dissimilar varactor diodes
    Patent number: 5373259
    Abstract: A voltage controlled oscillator comprises more than one dissimilar diode. The dissimilar diodes have different capacitance versus voltage characteristic shapes. The dissimilarity causes the tuning gain factor of the resulting oscillator to be an increasing function of increasing frequency. Such an oscillator when properly incorporated into a phase lock loop can yield loop parameters which are a constant function of increasing frequency.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: December 13, 1994
    Assignee: Qualcomm Incorporated
    Inventors: Scott Hackman, Anthony J. Estrada