Patents Assigned to NTC, Inc.
  • Automatic circuit locator
    Patent number: 6222358
    Abstract: The present invention relates to an electronic system for identifying a single power line from a plurality of power lines having transmitting means for transmitting an identification signal on the single power line to produce a magnetic field with a strength around the single power line, sensing means for sensing the strength of a magnetic field around each of the plurality of power lines wherein the strengths of the magnetic fields range from a smallest value to a largest value, storing means for storing the largest value, and alert means for alerting a user when the sensing means senses the largest value. Also disclosed is a method of using the device.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: April 24, 2001
    Assignee: NTC, Inc.
    Inventor: Joachim Wottrich
  • Self-identifying circuit breaker
    Patent number: 6054931
    Abstract: The present invention relates to an electronic system incorporated into a circuit interrupter device to identify the circuit interrupter device associated with a particular power outlet receptacle.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: April 25, 2000
    Assignee: NTC, Inc.
    Inventor: Joachim Wottrich
  • Electrical circuit interrupter device locator
    Patent number: 5969516
    Abstract: The present invention relates to an electronic system for identifying the circuit interrupter device associated with a particular power outlet receptacle on a power line, and to a method or means for identifying the circuit interrupter device.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: October 19, 1999
    Assignee: NTC, Inc.
    Inventor: Joachim Wottrich