H - Electricity – 03 – H
Patent
H - Electricity
03
H
333/67
H03H 9/46 (2006.01) H01P 1/20 (2006.01) H01P 1/205 (2006.01) H01P 7/00 (2006.01)
Patent
CA 1170320
Abstract A helical resonator filter includes several helical coils, each grounded at one end and free at the other and enclosed within a cavity. The coils are coupled to each other electromagnetically through apertures in the conductive walls separating the resonator cavities from each other. A dielectric member is inserted into the apertures to increase coupling between adjacent coils to increase the bandwidth of the filter.
397184
Gowling Lafleur Henderson Llp
Motorola Canada Limited
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