Patent ID: 7444129

Claim:
A comb-line wireless filter comprising: an input end for receiving wireless signals; an output end for radiating wireless signals; a first transmission line having a first transmission line part and a second transmission line part, wherein the second transmission line part is grounded; a first capacitor, one end of the first capacitor being connected to the first transmission line part of the first transmission line, and the other end of the first capacitor being grounded; a second transmission line having a curved shape on one side of the first transmission line part of the first transmission line, a first end of the second transmission line being connected to the input end, and a second end of the second transmission line being grounded; a second capacitor, one end of the second capacitor being connected to the first end of the second transmission line, and the other end of the second capacitor being grounded; a third transmission line having a curved shape on an opposite side of the first transmission line part of the first transmission line, a first end of the third transmission line being connected to the output end, and a second end of the third transmission line being grounded; and a third capacitor, one end of the third capacitor being connected to the first end of the third transmission line, and the other end of the third capacitor being grounded.