Patent ID: 11929189
Assignee: YUNAN HAN
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The filtering cable according to claim 7, wherein if the value of N is 1, and the preset filter circuit comprises a band-pass filter circuit;
the etching pattern comprises: a plurality of twelfth patterns; the twelfth patterns comprise: a first sub-pattern and a second sub-pattern spaced from each other; the first sub-pattern of the twelfth pattern comprises: a fourth U-shaped hollow pattern, a fifth U-shaped hollow pattern and a sixth U-shaped hollow pattern, which are sequentially provided; the openings of the fourth U-shaped hollow pattern, the fifth U-shaped hollow pattern and the sixth U-shaped hollow pattern are provided in the radial direction of the filtering cable; wherein the opening direction of the fifth U-shaped hollow pattern is opposite to the opening direction of the fourth U-shaped hollow pattern and the sixth U-shaped hollow pattern; one end of the fifth U-shaped hollow pattern is communicated with one end of the fourth U-shaped hollow pattern, and the other end thereof is communicated with one end of the sixth U-shaped hollow pattern; the second sub-pattern of the twelfth pattern is a pattern obtained in such a way that the first sub-pattern of the twelfth pattern rotates by 180 degrees in the radial direction of the filtering cable; the area of the core wire corresponding to the interval between the first sub-pattern and the second sub-pattern of the twelfth pattern is provided with a first cut-off area; the first cut-off area is filled with a first dielectric; the boundary of the first sub-pattern and the second sub-pattern of the twelfth pattern corresponding to the core wire is provided with a non-hollow area; the core wires on both sides of the first cut-off region are connected with the defective conductor layer;
alternatively, the etching pattern comprises: a plurality of thirteenth patterns; the thirteenth patterns comprise: a ±-shaped hollow pattern; the first vertical side of the ±-shaped hollow pattern is provided in the radial direction of the filtering cable, the first horizontal side and the second horizontal side are provided in the axial direction of the filtering cable, respectively; the length of the first horizontal side is shorter than the length of the second horizontal side; one end of the second horizontal side is provided with a fifth spiral hollow pattern, and the other end thereof is provided with a sixth spiral hollow pattern completely symmetrical with the fifth spiral hollow pattern; one end of the first horizontal side is provided with a seventh spiral hollow pattern, the seventh spiral hollow pattern is located in the non-hollow area of the fifth spiral hollow pattern, and the other end thereof is provided with an eighth spiral hollow pattern completely symmetrical with the seventh spiral hollow pattern, the eighth spiral hollow pattern is located in the non-hollow area of the sixth spiral hollow pattern, the area of the core wire corresponding to the vertical side is provided with a second cut-off area, and the second cut-off area is filled with a second dielectric;
alternatively, the number of the core wires is 2, the etching pattern comprises: a plurality of fourteenth patterns; the fourteenth patterns comprise: a el-shaped hollow pattern; and the θ-shaped hollow pattern comprises a third horizontal side, a fourth horizontal side and a fifth horizontal side provided in the axial direction of the filtering cable, and a second vertical side and a third vertical side provided in the radial direction of the filtering cable; the fourth horizontal side is located between the third horizontal side and the fifth horizontal side; the middle of the side of the fourth horizontal side close to the third horizontal side is provided with a non-hollow line segment provided in the radial direction of the filtering cable; the fourth horizontal side is further provided with a first L-shaped non-hollow area, a second L-shaped non-hollow area, and a third L-shaped non-hollow area with a long side in the axial direction of the filtering cable; the long side of the first L-shaped non-hollow area is communicated with the non-hollow line segment, and the short side thereof is communicated with the long side of the second L-shaped non-hollow area; the short side of the second L-shaped non-hollow area is communicated with the long side of the third L-shaped non-hollow area; one of the two core wires is located in the non-hollow area between the third horizontal side and the fourth horizontal side and is provided with a third cut-off area, and the other core wire is located in the non-hollow area between the third horizontal side and the fifth horizontal side, and is provided with a fourth cut-off area; the third cut-off area is filled with a third dielectric; and the fourth cut-off area is filled with a fourth dielectric;
alternatively, the etching pattern comprises: a plurality of fifteenth patterns; the fifteenth patterns comprise: a square wave hollow pattern; both ends of the square wave hollow pattern are provided with a fourth widened hollow area in the radial direction of the filtering cable, respectively.