Patent ID: 9356333
Filing Date: 2016-05-31
CPC Classification: H01P

Claim Text:
1. A transmission line resonator, including: distributed coupled lines comprised of first distributed constant line which one ends are connected to a short-circuit grounding portion and second distributed constant line which is disposed in parallel to the first distributed constant line while being separated therefrom by a predetermined distance and which one ends opposing the short-circuit grounded one ends of the first distributed constant line are connected to the short-circuit grounding portion, and a single transmission line which both ends are connected to the respective other ends of the distributed coupled lines, wherein the distributed coupled lines have an even mode impedance and/or odd mode impedance, and wherein a resonance frequency of the transmission line resonator reduces in accordance with increases in a coupling coefficient of the distributed coupled lines which is given by an equation satisfying the following conditions: where k is the coupling coefficient, Zce the even mode impedance and Zco the odd mode impedance.