Patents by Inventor David W. Weisman

David W. Weisman 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).

  • Uninterruptible power supply unit
    Patent number: 6064125
    Abstract: An uninterruptible power supply unit for coupling between an adapter with an adapter connector and an electronic device in accordance with one embodiment of the present invention includes a self-contained housing, a backup power supply, and an output switch system. The self-contained housing has an input port for coupling with the adapter connector from the adapter and an output connector extending from the housing for coupling with the electronic device. The backup power supply is located in the housing and provides the backup power. The output switch system is also located in the housing. The output switch system is coupled between the output connector and the input port and the backup power supply and couples the backup power from the backup power supply to the electronic device when incoming power from the adapter fails.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: May 16, 2000
    Assignee: Mindvision Products, LLC
    Inventors: William J. Stendardo, David W. Weisman
  • Uninterruptible power supply unit
    Patent number: 5912514
    Abstract: An uninterruptible power supply unit for coupling between an adapter with an adapter connector and an electronic device in accordance with one embodiment of the present invention includes a self-contained housing, a backup power supply, and an output switch system. The self-contained housing has an input port for coupling with the adapter connector from the adapter and an output connector extending from the housing for coupling with the electronic device. The backup power supply is located in the housing and provides the backup power. The output switch system is also located in the housing. The output switch system is coupled between the output connector and the input port and the backup power supply and couples the backup power from the backup power supply to the electronic device when incoming power from the adapter fails.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: June 15, 1999
    Assignee: Smith Corona Corporation
    Inventors: William J. Stendardo, David W. Weisman