Patents Assigned to NEC Microwave Tube, Inc.
  • Electron tube for communication
    Patent number: 7088060
    Abstract: An electron tube for communication is provided with an output waveguide that is directly coupled to an outlet port of a RF (Radio Frequency) wave signal, and at least one of a low-pass filter, a high-pass filter, and a band-pass filter is included inside the output waveguide.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: August 8, 2006
    Assignee: NEC Microwave Tube, Inc.
    Inventor: Yoshio Nakazato