Patent ID: 9467193
Filing Date: 2016-10-11
CPC Classification: H01P,H01Q,H04B,H04W

Claim Text:
1. A multi-band filter comprising: a housing including an antenna connector connected to an antenna and a plurality of input/output connectors inputting/outputting signals transmitted and received through the antenna depending on a preset frequency band; a plurality of band pass filter units provided in the housing and passing the signals in the preset frequency band therethrough between the antenna connector and the input/output connectors; and a coupling unit including a plurality of feeding parts so as to couple the antenna connector and each of the plurality of band pass filter units to each other, wherein each of the band pass filter units includes a resonator, wherein a spaced distance between each of the plurality of feeding parts and the resonator that is the most adjacent thereto is adjusted so as to vary a coupling amount of the signals transferred by each of the plurality of feeding parts.