Patents by Inventor Lawrence H. Berg

Lawrence H. Berg 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).

  • Low power-consumption interface apparatus and method for transferring data between a hand-held computer and a desk top computer
    Patent number: 5504864
    Abstract: Disclosed is a computer data interface (100) for connecting a hand-held computer (104) and a desktop computer (102). The computer data interface includes a cable having connectors at each end. A voltage conversion circuit (116) is mounted adjacent to one of the connectors. The voltage conversion circuit receives data signals from the hand-held computer and transmits the signals to the desktop computer at voltage levels compatible with the desktop computer, Similarly, the voltage conversion circuit receives signals from the desktop computer and transmits the signals to the hand-held computer at voltage levels compatible with the hand-held computer.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: April 2, 1996
    Assignee: Traveling Software, Inc.
    Inventor: Lawrence H. Berg
  • Computer data interface for handheld computer transfer to second computer including cable connector circuitry for voltage modification
    Patent number: 5157769
    Abstract: Disclosed is a computer data interface (6) for connecting a handheld computer (4) and a desktop computer (2). The computer data interface includes a cable (8) having connectors (10 and 12) at each end thereof. Mounted in one of the connectors is an adapter circuit for receiving data signals from the handheld computer and transmitting the signals to the desktop computer at a voltage levels compatible with the desktop computer. Similarly, the adapter circuit receives signals from the desktop computer and transmits the signals to the handheld computer at voltage levels compatible with the handheld computer. The adapter circuit is powered by the desktop computer to prevent draining the batteries of the handheld computer.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: October 20, 1992
    Assignee: Traveling Software, Inc.
    Inventors: Mark Eppley, Lawrence H. Berg, John M. Olson