Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
147 words
A dielectric filter CHARACTERIZED IN THAT said dielectric filter comprises: a homogeneous monolithic block of dielectric material (20) ; a plurality of dielectric resonators (24-1, 24-2, 24-3) having individual center conductors (23-1, 23-2, 23-3) which are formed in said block of dielectric material (20) substantially in parallel with each other; and a plurality of conductive electrodes for adjustment (25-1, 25-2, 25-3) arranged on one side of said block of dielectric material (20) and each extending across one end of respective one of said plurality of center conductors (23-1, 23-2, 23-3); either one of a distance between nearby ones of said dielectric resonators (24-1, 24-2, 24-3) and a configuration of said electrodes for adjustment (25-1, 25-2, 25-3) being changed to cause overcoupling on the basis of either one of coupling inductance and coupling capacitance, whereby an attenuation pole of said dielectric filter is tuned to a finite frequency.
Claim 2
Dependent Claim
147 words
A dielectric filter CHARACTERIZED IN THAT said dielectric filter comprises: a homogeneous monolithic block of dielectric material (20) ; a plurality of dielectric resonators (24-1, 24-2, 24-3) having individual center conductors (23-1, 23-2, 23-3) which are formed in said block of dielectric material (20) substantially in parallel with each other; and a plurality of conductive electrodes for adjustment (25-1, 25-2, 25-3) arranged on one side of said block of dielectric material (20) and each extending across one end of respective one of said plurality of center conductors (23-1, 23-2, 23-3); either one of a distance between nearby ones of said dielectric resonators (24-1, 24-2, 24-3) and a configuration of said electrodes for adjustment (25-1, 25-2, 25-3) being changed to cause overcoupling on the basis of either one of coupling inductance and coupling capacitance, whereby an attenuation pole of said dielectric filter is tuned to a finite frequency.
Claim 3
Dependent Claim
51 words
A dielectric filter in accordance with claim 1, CHARACTERIZED IN THAT said dielectric further comprises a pair of electrodes (28, 29) for adjusting coupling capacitance individually located outwardly of two (24-1, 24-3) of said plurality of dielectric resonators (24-1, 24-2, 24-3) which are located at opposite ends of said dielectric filter.
Claim 4
Dependent Claim
39 words
A dielectric filter in accordance with claim 2, CHARACTERIZED IN THAT said dielectric filter further comprises electrodes (26-1, 26-2) each being interposed between nearby ones of said dielectric resonators (24-1, 24-2, 24-3) for adjusting coupling inductance and coupling capacitance.
Claim 5
Dependent Claim
32 words
A dielectric filter in accordance with claim 1, CHARACTERIZED IN THAT at least one of said plurality of electrodes for adjustment (25-1, 25-2, 25-3) is smaller than the other electrodes for adjustment.
Claim 6
Dependent Claim
32 words
A dielectric filter in accordance with claim 2, CHARACTERIZED IN THAT at least one of said plurality of electrodes for adjustment (25-1, 25-2, 25-3) is smaller than the other electrodes for adjustment.
Claim 7
Dependent Claim
32 words
A dielectric filter in accordance with claim 3, CHARACTERIZED IN THAT at least one of said plurality of electrodes for adjustment (25-1, 25-2, 25-3) is smaller than the other electrodes for adjustment.