Patents Assigned to Frank Thompson
  • Microwave moisture sensing arrangement
    Patent number: 4991915
    Abstract: A microwave moisture sensing arrangement comprises an oscillator and a detector and a microwave strip line sensor connected between the two. The sensor is inserted into bulk, penetrable materials. The detector detects a change in received signal due to absorption of radiation from the sensor. Moisture content of the material is determined by calibration.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: February 12, 1991
    Assignees: Imperial Chemical Industries PLC Manchester Polytechnic, Frank Thompson
    Inventors: Frank Thompson, John R. P. Clarke