Patents Assigned to Coilcraft, Inc.
  • Patent number: 4530563
    Abstract: The method is utilized for forming a solder joint (51-53) between a wire end portion (21-30) of a coil mounted on a hub (16) and an end tab (73) of a male or female connector (31-36) that can be mounted on a support (41-46) fixed to the hub (16).
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 23, 1985
    Assignee: Coilcraft, Inc.
    Inventor: Dorothy S. Brzezinski
  • Patent number: 4209826
    Abstract: A switching mode power supply characterized by an output in the forward conversion mode and a separate output in the flyback mode whereby a device having variable power requirements in one aspect of its operation, and a stable power requirement another aspect of its operation may be powered without interference as between the two sources of power. The flyback power output is monitored for voltage regulation, regulation being achieved by a constant-off-time variable-on-time switch. The power supply likewise includes novel protective circuitry to shut it down in the event of excessive voltage or current therein.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: June 24, 1980
    Assignee: Coilcraft, Inc.
    Inventor: Robert A. Priegnitz
  • Patent number: 4024438
    Abstract: A phase loss detector for detecting and responding to voltage loss or failure in a polyphase electric power supply to disconnect the load or motor in the event of such loss, which is adapted to serve in conjunction with either a delta or wye power configuration and is characterized by an internally generated AC common line such that a common line of the power source is unnecessary.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: May 17, 1977
    Assignee: Coilcraft, Inc.
    Inventor: Robert A. Priegnitz