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US 2003/0151467 A1Published application
N port feed device
AssigneeChannel Master LLC
InventorsJohn Vezmar, Scott Cook, Brian Sawyer
Life of this patent
Estimating the term…
Abstract
A waveguide device having a plurality of waveguide members is provided. The waveguide device is of an integral cast construction and is configured so that the cross-sectional dimensions of each waveguide member decrease along an axis thereof from one end to the other end. Methods of forming the waveguide device are also provided.
Claims31
A waveguide device comprising:
- a first waveguide member aligned along a first axis and configured to carry a first signal having first and second polarities, the first waveguide member having cross-sectional dimensions that decrease along the first axis from a first distal end to a second proximal end thereof;
- a second waveguide member aligned along the first axis and configured to carry a second signal having at least one polarity, the second waveguide member communicating with the first waveguide member through a first coupling aperture, the second waveguide member having cross-sectional dimensions that decrease along the first axis from a first distal end to a second proximal end thereof, the second proximal end of the second waveguide member being adjacent the second proximal end of the first waveguide member;
- third and fourth waveguide members in communication with an interior of the first waveguide member, the first signal being separated by the first waveguide member such that the first polarity is carried within the third waveguide member and discharged at a first distal end thereof and the second polarity is carried within the fourth waveguide member and discharged at a first distal end thereof, the third waveguide member having cross-sectional dimensions that decrease along a second axis from the first distal end to a second proximal end thereof, the fourth waveguide member having cross-sectional dimensions that decrease along a third axis from the first distal end to a second proximal end thereof;
- and
- wherein the waveguide device is of an integral cast construction.
2 more elements
A non-tunable waveguide device comprising:
- a first waveguide member configured to carry a first signal having first and second polarities;
- a second waveguide member co-axially aligned with the first waveguide member and configured to carry a second signal having at least one polarity, the second waveguide member communicating with the first waveguide member through a first coupling aperture;
- third and fourth waveguide members in communication with an interior of the first waveguide member, the first signal being separated by the first waveguide member such that the first polarity is carried within the third waveguide member and the second polarity is carried within the fourth waveguide member;
- and
- wherein each of the first, second, third and fourth waveguide members has a cross-section that progressively decreases along an axis containing the waveguide and from a distal end to a proximal end thereof and wherein the waveguide device is of an integral cast construction.
2 more elements
A non-tunable waveguide device comprising:
- a first waveguide member having a first end and a second end with an intermediate section therebetween partitioning the first waveguide member into first and second sections, the first section configured to carry a first signal having first and second polarities, the second section configured to carry a second signal having at least one polarity;
- second and third waveguide members in communication with an interior of the first section of the first waveguide member, the first signal being separated within the first section prior to reaching the second section such that the first polarity is carried within the second waveguide member and the second polarity is carried within the third waveguide member;
- and
- wherein each of the first, second and third waveguide members has a cross-section that decreases in a stepped manner along an axis containing the waveguide and from a distal end to a proximal end thereof and wherein the waveguide device is of an integral cast construction.
1 more element
A method of forming a waveguide device which is of an integral cast construction, the method comprising the steps of:
- providing a first casting tool having a cross-section that progressively decreases from a first end to a second end;
- providing a second casting tool having a cross-section that progressively decreases from a first end to a second end, the second end seating against the second end of the first casting tool;
- providing a third casting tool having a cross-section that progressively decreases from a first end to a second end, the second end seating against the first casting tool at a first location;
- providing a fourth casting tool having a cross-section that progressively decreases from a first end to a second end, the second end seating against the first casting tool at a second location;
- positioning a casting shell around the first, second, third and fourth casting tools;
- and
- disposing casting material between the casting shell and the first, second, third and fourth tools, the casting material subsequently cooling to form the waveguide device formed of an integral cast construction.
- The method of claim 30, wherein the second ends of the second, third and fourth casting tools are received within recesses formed in the first casting tool.
5 more elements
Dependencies are inferred from the claim text.