Patents Assigned to Technoggin Inc.
  • Connecting multiple batteries to battery powered devices
    Patent number: 5621301
    Abstract: A circuit for serially connecting multiple batteries to a battery-powered device such as a notebook computer or camcorder so that the device will serially charge or discharge the batteries. The device includes at least two controllable switch circuits for selectively connecting batteries to the battery-powered device, a power flow sensor for sensing power flow from the device to the selected battery or vice-versa, and a selector circuit for sequentially enabling the switch circuits to sequentially connect the batteries to the battery-powered device so that the batteries will sequentially charge or discharge.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: April 15, 1997
    Assignee: Technoggin, Inc.
    Inventors: Paul M. Allen, John R. Kuhn
  • Connection multiple batteries to battery powered devices
    Patent number: 5477123
    Abstract: A circuit for serially connecting multiple batteries to a battery-powered device such as a notebook computer or camcorder so that the device will serially charge or discharge the batteries. The device includes at least two controllable switch circuits for selectively connecting batteries to the battery-powered device, a power flow sensor for sensing power flow from the device to the selected battery or vice-versa, and a selector circuit for sequentially enabling the switch circuits to sequentially connect the batteries to the battery-powered device so that the batteries will sequentially charge or discharge.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: December 19, 1995
    Assignee: Technoggin, Inc.
    Inventors: Paul M. Allen, John R. Kuhn
  • External battery pack for a portable computer
    Patent number: D356992
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: April 4, 1995
    Assignee: Technoggin Inc.
    Inventor: Robert E. Dilgard