Patents by Inventor David Michael Vizer

David Michael Vizer 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).

  • Satellite receiver including operating voltage supply arrangement suitable for different antenna assemblies
    Patent number: 5893023
    Abstract: A satellite receiver which is capable of being connected to different antenna assemblies which require different operating voltages, includes a switch mode power supply which supplies the different operating voltages. A microprocessor controls the duty cycle of the switch mode power supply to produce the different operating voltages in accordance with the required duty cycle. A memory stores values which define different duty cycles for each of the operating voltages and provides the values to the microprocessor.
    Type: Grant
    Filed: January 3, 1996
    Date of Patent: April 6, 1999
    Assignee: Ferguson Limited
    Inventor: David Michael Vizer