Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
145 words
In a dielectric filter coupling structure wherein the dielectric filter is constituted by arranging a plurality of coaxial type dielectric resonators each having a dielectric filled between inner and outer conductors or by arranging said plural resonators integrally using an outer conductor as a common conductor and which is provided with a dielectric block for capacitor coupling between resonators of the dielectric filter and between the resonators and input/output terminals, the improvement characterized in that said dielectric block for coupling has holes in opposed relation to inner conductors of said dielectric resonators, with electrode being formed on an inner surface of each of said holes; a spacer is interposed between said dielectric block for coupling and each of said resonators; and an input terminal electrode and an output terminal electrode are each formed on at least one of outer peripheral faces of said dielectric block.
Claim 2
Dependent Claim
53 words
A dielectric filter coupling structure according to Claim 1, wherein said outer peripheral face on which a part or the whole of said input terminal electrode is formed and said outer peripheral face on which a part or the whole of said output terminal electrode is formed are substantially flush with each other.
Claim 3
Dependent Claim
78 words
A dielectric filter coupling structure according to Claim 2, wherein an earth electrode for determining a coupling capacitance between said resonators is formed on an outer peripheral face of said dielectric block for coupling, the face being substantially flush with both said outer peripheral face on which a part or the whole of said input terminal electrode is formed and said outer peripheral face on which a part or the whole of said output terminal electrode is formed.
Claim 4
Dependent Claim
36 words
A dielectric filter coupling structure according to Claim 1, wherein both said input terminal electrode and said output terminal electrode are formed on both end, outer peripheral faces respectively in the arranged direction of said holes.
Claim 5
Dependent Claim
30 words
A dielectric filter coupling structure according to Claim 1, wherein the electrodes of the dielectric block for coupling and the inner conductors of the resonators are each electrically connected together.
Claim 6
Dependent Claim
29 words
A dielectric filter coupling structure according to Claim 5, wherein an electrical connection between the electrode and the inner conductor is performed by said spacer made of electroconductive material.
Claim 7
Dependent Claim
35 words
A dielectric filter coupling structure according to Claim 1, wherein an earth electrode for determining a coupling capacitance between said resonators is formed on a side, outer peripheral face of said dielectric block for coupling.
Claim 8
Dependent Claim
63 words
A dielectric filter coupling structure according to Claim 1, wherein said holes of said dielectric block for coupling are each formed in predetermined shape, size and relative position for determining a desired coupling capacitance between each said electrode formed on the inner surface of the hole and the electrode of the hole adjacent thereto or the input or output terminal electrode adjacent thereto.
Claim 9
Dependent Claim
37 words
A dielectric filter coupling structure according to Claim 1, wherein a slit for determining a coupling capacitance between said electrodes in said holes is formed in a side, outer peripheral face of said dielectric block for coupling.