Patents Assigned to Control Techniques PLC
  • Suppression of radio frequency emissions
    Patent number: 5854546
    Abstract: For the suppression of radio frequency emissions from an electrical drive comprising an electric motor supplied with electrical power via an electronic controller having a high speed switching device which generates high frequency energy, an electrical screen is provided to receive the radio frequency energy and is connected back to the input side of the high speed switching device.
    Type: Grant
    Filed: November 1, 1995
    Date of Patent: December 29, 1998
    Assignee: Control Techniques PLC
    Inventor: Colin Hargis