Probe-fed slot antenna with coupling ring
First Claim
Patent Images
1. A probe-fed slot antenna comprising:
- an inner conductor;
a cylindrical outer conductor spaced about said inner conductor, said inner and outer conductors being associated with each other to form a co-axial transmission line adapted to guide a wave;
a plurality of slots in said outer conductor;
a coupling ring supported between said outer and inner conductors and adapted to couple energy of the wave between said inner and outer conductors; and
a plurality of probes extending from said cylindrical outer conductor toward said coupling ring.
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Abstract
A probe-fed slot antenna is provided having an inner conductor, a cylindrical outer conductor coaxial with the inner conductor, and a plurality of slots in the outer conductor. A plurality of probes extend from the cylindrical outer conductor into the interior, each probe adjacent to one of the slots. A coupling ring is mounted coaxially between the outer and inner conductors to allow efficient transfer of RF energy to and from the slots.
26 Citations
23 Claims
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1. A probe-fed slot antenna comprising:
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an inner conductor; a cylindrical outer conductor spaced about said inner conductor, said inner and outer conductors being associated with each other to form a co-axial transmission line adapted to guide a wave; a plurality of slots in said outer conductor; a coupling ring supported between said outer and inner conductors and adapted to couple energy of the wave between said inner and outer conductors; and a plurality of probes extending from said cylindrical outer conductor toward said coupling ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A probe-fed slot antenna comprising:
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a section of co-axial transmission line adapted to guide a wave therein, said transmission line including an inner conductor, a cylindrical outer conductor spaced about said inner conductor, and a pluraltiy of slots in said outer conductor; a coupling ring supported between said outer and inner conductors and adapted to couple energy of the wave between said inner and outer conductors, said inner conductor extending through said coupling ring, and said coupling ring having an axial length substantially less than an axial length of said inner and outer conductors in said section to partially expose said inner and outer conductors to each other in said section; and a plurality of probes extending from said cylindrical outer conductor toward said coupling ring.
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Specification