US4423397A — Dielectric resonator and filter with dielectric r…

Claim 1

Independent Claim 49 words

A dielectric resonator comprising dielectric member, the geometry of said member corresponding to a body with a section removed therefrom, said body being generally symmetrical about an axis and said section being defined by two planes which intersect along said axis and form an angle greater than 0 degrees.

Claim 2

Dependent Claim 49 words

A dielectric resonator comprising dielectric member, the geometry of said member corresponding to a body with a section removed therefrom, said body being generally symmetrical about an axis and said section being defined by two planes which intersect along said axis and form an angle greater than 0 degrees.

Claim 3

Dependent Claim 23 words

The dielectric resonator of claim 1 further comprising electrically conductive material on surfaces of said dielectric member which are defined by said planes.

Claim 4

Dependent Claim 18 words

The dielectric resonator of claim 2 wherein said angle formed by said planes is approximately a right angle.

Claim 5

Dependent Claim 17 words

The dielectric resonator of claim 2 wherein said angle formed by said planes is approximately 180 degrees.

Claim 6

Dependent Claim 16 words

The resonator of claim 2 wherein said angle formed by said planes is approximately 270 degrees.

Claim 7

Dependent Claim 18 words

The resonator of claim 2 wherein said angle formed by said planes is at least approximately 270 degrees.

Claim 8

Dependent Claim 14 words

The resonator of claim 1 wherein said symmetrical body has a polygonal cross section.

Claim 9

Dependent Claim 22 words

The resonator of claim 7 further comprising electrically conductive material on surfaces of said dielectric member which are defined by said planes.

Claim 10

Dependent Claim 24 words

The resonator of claim 7 wherein each side of said polygonal cross section spans an angle around said axis of less than 45 degrees.

Claim 11

Dependent Claim 100 words

A filter comprising: signal emitting means for emitting a signal to be filtered; signal receiving means for receiving a filtered signal; path defining means for defining a signal path between said signal emitting means and said signal receiving means; and at least one dielectric resonator disposed in said signal path, said resonator including a dielectric member, with the geometry of said member corresponding to a body with a section removed therefrom, said body being generally symmetrical about an axis and said section being defined by two planes which intersect along said axis and form an angle greater than 0 degrees.

Claim 12

Dependent Claim 100 words

A filter comprising: signal emitting means for emitting a signal to be filtered; signal receiving means for receiving a filtered signal; path defining means for defining a signal path between said signal emitting means and said signal receiving means; and at least one dielectric resonator disposed in said signal path, said resonator including a dielectric member, with the geometry of said member corresponding to a body with a section removed therefrom, said body being generally symmetrical about an axis and said section being defined by two planes which intersect along said axis and form an angle greater than 0 degrees.

Claim 13

Dependent Claim 20 words

The filter of claim 10 wherein said path defining means comprises a shield casing fabricated from an electrically conductive material.

Claim 14

Dependent Claim 50 words

The filter of claim 11 wherein said shield casing has an elongated configuration, said signal emitting means is positioned inside and at one end portion of said shield casing and said signal receiving means is positioned inside and at an end portion opposite said one end of said shield casing.

Claim 15

Dependent Claim 15 words

The filter of claim 12 wherein said angle formed by said planes is 180 degrees.

Claim 16

Dependent Claim 38 words

The filter of claim 13 wherein surfaces of said dielectric member which are defined by said planes are attached to an inner surface of said casing at an intermediate position between said one and said opposite end portions.

Claim 17

Dependent Claim 37 words

The filter of claim 14 wherein there are a plurality of said dielectric resonators, each of which is attached to one inner surface of said shield casing at a predetermined angle with respect to said signal path.

Claim 18

Dependent Claim 25 words

The filter of claim 15 wherein said axis of said body of each of said resonators is generally perpendicular with respect to said signal path.

Claim 19

Dependent Claim 67 words

The filter of claim 14 wherein said at least one dielectric resonator comprises 2 N+1 resonators with N+1 resonators being attached to one inner surface of said shield casing at a predetermined angle with respect to said signal path and N resonators being attached to a surface opposite said one inner surface at said predetermined angle and offset from said N+1 resonators on said one inner surface.

Claim 20

Dependent Claim 27 words

The filter of claim 17 wherein said axis of said body of each of said 2 N+1 resonators is generally perpendicular with respect to said signal path.

Claim 21

Dependent Claim 73 words

The filter of claim 18 further comprising 2 N+1 walls made of an electrically conductive material with N+1 walls being attached to said opposite inner surface of said shield casing with one of said N+1 walls being positioned opposite each of said N+1 resonators and with N walls being attached to said one inner surface of said shield casing with one of said N walls being positioned opposite each of said N resonators.

Claim 22

Dependent Claim 82 words

The filter of claim 12 further comprising at least one wall made of an electrically conductive material extending perpendicularly from one inner surface of said casing so as to form a plurality of right angle resonator receiving positions with said casing and said at least one dielectric resonator comprises a plurality of resonators with said angle of said planes of said resonators is equal to approximately 270 degrees and with one of said resonators being disposed in each of said receiving positions.

Claim 23

Dependent Claim 134 words

The filter of claim 11 further comprising a first wall made of an electrically conductive material extending from one inner surface of said shield casing towards an opposite inner surface of said casing with an end of said first wall spaced apart from said opposite inner surface and with said signal emitting means and said signal receiving means being positioned on opposite sides of said first wall and at least one second wall made of an electrically conductive material extending from said first wall so that said first and second walls define a plurality of resonator receiving positions which are spaced apart from said one inner wall and wherein said at least one dielectric resonator comprises a plurality of resonators with one of said resonators being disposed in each of said resonator receiving positions.

Claim 24

Dependent Claim 58 words

The filter of claim 21 wherein said at least one second wall comprises two walls extending from opposite sides of said first wall so as to define four right angle resonator receiving positions and said at least one dielectric resonator comprises four resonators with said angle of said planes of said resonators is equal to approximately 270 degrees.

Claim 25

Dependent Claim 56 words

The filter of claim 21 wherein said at least one second wall comprises six walls extending from said first wall so as to define eight resonator receiving positions of 45 degrees each and said at least one dielectric resonator comprises eight resonators with said angle of said planes of said resonators being greater than 270 degrees.

Claim 26

Dependent Claim 81 words

The filter of claim 11 wherein said shield casing further comprises a projection made of an electrically conductive material which has a V-shaped cross section and which extends from one inner surface of said casing intermediate said signal emitting and receiving means and wherein an angle of said projection is substantially equal to said angle defined by said planes of said resonator and said resonator is positioned in said casing with resonator surfaces defined by said planes positioned adjacent said projection.

Claim 27

Dependent Claim 51 words

The filter of claim 12 further comprising a support for said at least one dielectric resonator extending from one inner surface of said casing so that said resonator is spaced apart from said casing and an electrically conductive material on surfaces of said dielectric resonator which are defined by said planes.

Claim 28

Dependent Claim 106 words

A filter comprising: signal emitting means for emitting a signal to be filtered; signal receiving means for receiving a filtered signal; path defining means for defining a signal path between said signal emitting means and said signal receiving means; and at least one dielectric resonator dipsosed in said signal path, said resonator including a dielectric member with the geometry of said member corresponding to a body with a section removed therefrom, said body being symmetrical about an axis and having a polygonal cross section and said section being defined by two planes which intersect along said axis and form an angle of at least 0 degrees.

Claim 29

Dependent Claim 106 words

A filter comprising: signal emitting means for emitting a signal to be filtered; signal receiving means for receiving a filtered signal; path defining means for defining a signal path between said signal emitting means and said signal receiving means; and at least one dielectric resonator dipsosed in said signal path, said resonator including a dielectric member with the geometry of said member corresponding to a body with a section removed therefrom, said body being symmetrical about an axis and having a polygonal cross section and said section being defined by two planes which intersect along said axis and form an angle of at least 0 degrees.

Claim 30

Dependent Claim 23 words

The filter of claim 26 wherein each side of said polygonal cross section spans an angle around said axis less than 45 degrees.

Claim 31

Dependent Claim 105 words

A filter comprising: signal emitting means for emitting a signal to be filtered; signal receiving means for receiving a filtered signal; path defining means for defining a generally U-shaped signal path between said signal emitting means and said signal receiving means; a plurality of dielectric resonators disposed in said U-shaped signal path, each of said resonators including a dielectric member with the geometry of said member corresponding to a body with a section removed therefrom, said body being generally symmetrical about an axis and said section being defined by two planes which intersect along said axis and form an angle of greater than 0 degrees.

Claim 32

Dependent Claim 105 words

A filter comprising: signal emitting means for emitting a signal to be filtered; signal receiving means for receiving a filtered signal; path defining means for defining a generally U-shaped signal path between said signal emitting means and said signal receiving means; a plurality of dielectric resonators disposed in said U-shaped signal path, each of said resonators including a dielectric member with the geometry of said member corresponding to a body with a section removed therefrom, said body being generally symmetrical about an axis and said section being defined by two planes which intersect along said axis and form an angle of greater than 0 degrees.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1986-12-26	1987-06-27	1987-12-27	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1990-12-26	1991-06-27	1991-12-27	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1994-12-26	1995-06-27	1995-12-27	$7700.00	Window Closed / Lapsed

Dielectric resonator and filter with dielectric resonator

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