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US 10,743,934 B2Granted
Choked dielectric loaded tip dipole microwave antenna
AssigneeCovidien LP
InventorsJoseph D. Brannan, Kyle R. Rick
Life of this patent
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Abstract
A microwave antenna assembly is disclosed. The antenna assembly includes a feedline having an inner conductor, an outer conductor and an inner insulator disposed therebetween. A radiating portion is also included having an unbalanced dipole antenna including a proximal portion and a distal portion that are of different lengths. The proximal portion includes at least a portion of the inner conductor and the inner insulator and the distal portion includes a conductive member.
Claims14
A microwave antenna assembly comprising:
- a feedline including an inner conductor, an outer conductor and an inner insulator disposed therebetween;
- a radiating portion including a dipole antenna having a proximal portion and a distal conductive portion, the proximal portion including at least a portion of the inner conductor and the inner insulator;
- a choke including an outer conductive layer and an inner dielectric layer extending distally past the outer conductive layer, the choke disposed around at least a portion of the feedline, wherein a distal end of the choke is disposed proximal to the proximal portion;
- a tip having an insertion base and coupled to the distal conductive portion of the dipole antenna;
- and
- a solid dielectric loading disposed over the radiating portion and extending from the choke to the tip.
3 more elements
A microwave antenna assembly, comprising:
- a feedline including an inner conductor, an outer conductor, and an inner insulator disposed therebetween;
- a radiating portion including a dipole antenna having a proximal portion and a distal conductive portion, the proximal portion including at least a portion of the inner conductor and the inner insulator;
- a choke including an outer conductive layer and an inner dielectric layer extending distally past the outer conductive layer, wherein a distal end of the choke is disposed proximal to the proximal portion;
- and
- a solid dielectric loading disposed over the radiating portion.
2 more elements
A microwave antenna assembly, comprising:
- a feedline including an inner conductor surrounded by an outer conductor;
- a radiating portion including a dipole antenna having a distal conductive portion;
- a choke including an outer conductive layer and an inner dielectric layer extending distally past the outer conductive layer, the choke disposed around at least a portion of the feedline, wherein a distal end of the choke is disposed proximal to a proximal portion of the radiating portion;
- a tip coupled to the distal conductive portion of the dipole antenna;
- and
- a solid dielectric loading disposed over the radiating portion and extending from the choke to the tip.
3 more elements
Dependencies are inferred from the claim text.