Microwave coupler

Claim 2

A microwave coupled line device operated over a frequency range having a predetermined center frequency and comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve and in the range of a dielectric constant of 2.6-3.5, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, and means for filling any void between the insulating sleeve and outer conductor.

Claim 3

A microwave coupled line device as set forth in claim 1 wherein said first and second inner conductors each have an insulation layer thereon.

Claim 4

A microwave coupled line device as set forth in claim 1 wherein first and second inner conductors are separated by said insulation there between for a distance corresponding substantially to a quarter wave length at said predetermined center frequency and separated by a greater distance elsewhere.

Claim 5

A microwave coupled line device as set forth in claim 3 wherein said insulating sleeve is of a Teflon material.

Claim 6

A microwave coupled line device as set forth in claim 4 wherein said outer conductor is a metal tubbing.

Claim 7

A microwave coupled line device as set forth in claim 1 further including a polyester sleeve disposed between said insulating sleeve and inner conductors and adapted to and case said inner conductors.

Claim 8

A microwave coupled line device as set forth in claim 1 wherein said means for filling has a dielectric constant on the order of 2.9 and greater than the dielectric constant of the insulating sleeve.

Claim 9

A microwave coupled line device as set forth in claim 7 wherein said inner conductors each include a copper wire.

Claim 10

A microwave coupled line device as set forth in claim 1 wherein said insulating sleeve is square.

Claim 11

A microwave coupled line device as set forth in claim 1 wherein said insulating sleeve is round.

Claim 12

A microwave transmission line apparatus comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dieletric constant of the insulating sleeve, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, and means for filling any void between the insulating sleeve and outer conductor.

Claim 13

A microwave transmission line apparatus comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dieletric constant of the insulating sleeve, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, and means for filling any void between the insulating sleeve and outer conductor.

Claim 14

A microwave transmission line apparatus as set forth in claim 11 further including a polyester sleeve disposed between said insulating sleeve and inner conductors and adapted to encase said inner conductors.

Claim 15

A microwave transmission line apparatus as set forth in claim 11 further including a polyolefin sleeve disposed between said insulating sleeve and inner conductors and adapted to encase said inner conductors.

Claim 16

A microwave coupled line device operated over a frequency range and comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve and in the range of a dielectric constant of 2.6-3.5, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, said outer conductor is substantially square and said sleeve is substantially round, and including means for filling the void form between the insulating sleeve and the outer conductor.

Claim 17

A microwave coupled line device operated over a frequency range and comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve and in the range of a dielectric constant of 2.6-3.5, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, said outer conductor is substantially square and said sleeve is substantially round, and including means for filling the void form between the insulating sleeve and the outer conductor.

Claim 18

A microwave transmission line apparatus comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, said outer conductor being substantially square and said sleeve being substantially round, and including means for filling the void formed between the insulating sleeve and outer conductor.

Claim 19

A microwave transmission line apparatus comprising: means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, said outer conductor being substantially square and said sleeve being substantially round, and including means for filling the void formed between the insulating sleeve and outer conductor.

Claim 20

A microwave transmission line apparatus comprising; means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, said outer conductor larger than said sleeve to accommodate said sleeve and configured to leave a void space therebetween, and including means for filling the void form between the insulating sleeve and outer conductor.

Claim 21

A microwave transmission line apparatus comprising; means defining an outer conductor, first and second inner conductors at least one of which has insulation bonded thereto and separated by the thickness of said insulation there between, an insulating sleeve disposed in said outer conductor and adapted to accommodate said first and second inner conductors, a means for filling the void between the insulating sleeve and the inner conductors with an insulating material having a relatively high dielectric constant particularly in comparison with the dielectric constant of the insulating sleeve, the means for filling having a dielectric constant selected in comparison with the dielectric constant of the insulating sleeve so as to decrease the even mode velocities so as to approach equalization between the even and odd mode propagation velocities, said outer conductor larger than said sleeve to accommodate said sleeve and configured to leave a void space therebetween, and including means for filling the void form between the insulating sleeve and outer conductor.