Patent ID: 11888547
Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The coupling device of claim 2, wherein,
the mode converting and filtering module comprises a ring grid and a second coaxial waveguide, wherein, electromagnetic performance parameters of the ring grid are periodically distributed in an azimuthal direction, and the ring grid is located between the first coaxial waveguide and the second coaxial waveguide,
wherein, a size of end faces of the ring grid is the same as that of end faces of the first coaxial waveguide, a size of end faces of the second coaxial waveguide is the same as that of end faces of the first coaxial waveguide, an axis of the ring grid is in consistent with axes of the first coaxial waveguide and the second coaxial waveguide, the ring grid and the second coaxial waveguide wrap the open wire, an end surface of the ring grid is close to an end surface of the second coaxial waveguide, and an end surface of the ring grid is close to an end surface of the first coaxial waveguide.