US Patent No. 9,698,488

SATELLITE ANTENNA AND WAVEGUIDE FILTER THEREOF


Patent No. 9,698,488
Issue Date July 04, 2017
Title Satellite Antenna And Waveguide Filter Thereof
Inventorship Shun-Chung Kuo, Hsinchu (TW)
Chang-Hsiu Huang, Hsinchu (TW)
Assignee Wistron Neweb Corp., Hsinchu (TW)

Claim of US Patent No. 9,698,488

1. A waveguide filter, comprising:
a pipe, comprising a first inner wall; and
a first rib structure, comprising:
a first rib, disposed in the pipe and formed on the first inner wall, wherein the first rib comprises a first section and
a second section, wherein the first section and the second section extend on a first straight line and are perpendicular to
the first inner wall, and a first gap is formed between the first section and the second section, and a first gap distance
of the first gap is between 0.1 to 1.2 mm, wherein the first gap is empty, wherein there is no electrically conductive material
disposed between the first section and the second section,
wherein the first rib structure further comprises a second rib formed on the first inner wall and parallel to the first rib,wherein the first rib structure further comprises a third rib formed on the first inner wall and parallel to the first rib,
wherein the second rib is located between the first rib and the third rib,wherein the first rib has a first height, the second rib has a second height, the third rib has a third height, and the second
height is higher than the first height and the third height.