Patents Assigned to Valsala Oy
  • High frequency transmitter
    Patent number: 4228539
    Abstract: The components of a transistor oscillator are mounted on an end cap rotatably mounted on the outer tube of a cavity resonator which stabilizes the oscillator. The intensity with which a high frequency is applied to the cavity resonator is adjustable by rotation of the end cap.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: October 14, 1980
    Assignee: Valsala Oy
    Inventor: Reijo Hamalainen