Twisted waveguide and wireless device

Details Twisted waveguide and wireless device Twisted waveguide and wireless device

2007-05-01

2007-05-01

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S02100R, C333S02100R, C343S756000

Reexamination Certificate

active

10533134

ABSTRACT:
H plane and E plane of a second rectangular waveguide element are inclined at an angle of 45° with respect to H plane and E plane of a first rectangular waveguide element. A connection element disposed between the first and second rectangular waveguide elements has an inner periphery that surrounds a central axis extending in a direction of electromagnetic-wave propagation. The inner periphery includes surfaces parallel to H plane and E plane of the first rectangular propagation path element, and these surfaces form a staircase such that abutting sections between the surfaces parallel to H plane and the surfaces parallel to E plane constitute projections. The staircase is inclined in a direction corresponding to a direction in which H plane of the second rectangular propagation path element is inclined. Accordingly, an electric field is concentrated in the projections of the connection element, and a plane of polarization of an electromagnetic wave propagating through the connection element is rotated from a plane of polarization in the first rectangular waveguide element towards a plane of polarization in the second rectangular waveguide element.

REFERENCES:
patent: 2975383 (1961-03-01), Seling
patent: 6583685 (2003-06-01), Easter et al.
patent: 6995628 (2006-02-01), Asao et al.
patent: 62-23201 (1987-01-01), None
patent: 2-30602 (1990-02-01), None
Copies of the PCT/ISA/210, PCT/ISA/220, and PCT/ISA/237 Forms issued for the parent PCT Application.

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