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公开(公告)号：US11233303B2
公开(公告)日：2022-01-25
申请号：US16637593
申请日：2018-09-14
发明人： Motomi Watanabe , Takeshi Yuasa , Takuma Nishimura
摘要： A coaxial line is provided which includes: a first columnar conductor disposed inside a multilayer substrate such that one end thereof is coupled to a first stripline and that the other end thereof is coupled to a second stripline; and one or more second columnar conductors penetrating the multilayer substrate such that one end thereof is coupled to a ground layer and that the other end thereof is coupled to a ground layer, the first columnar conductor acting as an inner conductor, and the second columnar conductors acting as outer conductors. Each of the first and second striplines is coupled to an open stub acting as resonators and a matching conductor acting as capacitance matching elements.
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公开(公告)号：USD986227S1
公开(公告)日：2023-05-16
申请号：US29720070
申请日：2020-01-09
设计人： Yu Ushijima , Hidenori Yukawa , Motomi Watanabe , Toru Okagaki
摘要： FIG. 1 is a perspective view of the front, left, and top sides of a waveguide showing a first embodiment of our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof, a bottom view being a mirror image thereof;
FIG. 7 is an enlarged perspective view of the waveguide taken along lines 7-7 in FIG. 1;
FIG. 8 is an enlarged cross-sectional view of the waveguide taken in the direction of lines 8-8 in FIGS. 2 and 6;
FIG. 9 is a perspective view of the front, left, and top sides of a waveguide showing a second embodiment of our new design;
FIG. 10 is a front view thereof;
FIG. 11 is a rear view thereof;
FIG. 12 is a left side view thereof;
FIG. 13 is a right side view thereof;
FIG. 14 is a top plan view thereof, a bottom view being a mirror image thereof;
FIG. 15 is an enlarged perspective view of the waveguide taken along lines 15-15 in FIG. 9; and,
FIG. 16 is an enlarged cross-sectional view of the waveguide taken in the direction of lines 16-16 in FIGS. 10 and 14.
The outer peripheral dashed broken lines in FIGS. 7, 8, 15, and 16 indicate the boundaries of the enlarged portions and form no part of the claimed design. The remaining dashed broken lines depict portions of the waveguide that form no part of the claimed design. The dash-dot broken lines depict the boundary of the claim and form no part of the claimed design.-
公开(公告)号：US10680307B2
公开(公告)日：2020-06-09
申请号：US16308585
申请日：2017-06-05
发明人： Motomi Watanabe , Shinji Arai , Tomohiro Takahashi , Takeshi Oshima , Takeshi Yuasa , Takuma Nishimura , Hidenori Yukawa
摘要： A substrate is used as one tube wall of a hollow waveguide, the substrate including a strip line wired in an inner layer, a first ground surface formed on a front surface, and a second ground surface formed on a part of a back surface. As a result of such a configuration, a waveguide strip line transducer having the same dimension as the external dimension of the hollow waveguide can be obtained.
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公开(公告)号：US11114732B2
公开(公告)日：2021-09-07
申请号：US16495063
申请日：2017-05-22
摘要： A waveguide unit (2) is closed at one end thereof by a short circuit plane (2a) provided with through holes (3-1 to 3-6). Radio wave absorbers (4-1 to 4-6) absorb a frequency signal being a non-reflective target in the state of being inserted through the through holes (3-1 to 3-6) toward the inside of the waveguide unit (2) and contacting inner surfaces (3′-1 to 3′-6) of the through holes (3-1 to 3-6).
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公开(公告)号：US11101530B2
公开(公告)日：2021-08-24
申请号：US16607220
申请日：2017-05-26
发明人： Hidenori Yukawa , Yu Ushijima , Motomi Watanabe , Jun Goto , Naofumi Yoneda , Shinji Arai
摘要： A square waveguide (1) has four ridges (6a, 6b, 7a, 7b). The cross section of the square waveguide (1) perpendicular to a waveguide axial direction is square. Inside the square waveguide (1), two rectangular waveguide terminals (4, 5) are formed by partitioning the inside along the waveguide axial direction. A septum phase plate (2) formed to get narrower stepwisely as its gets closer to a square waveguide terminal (3) opposite to the rectangular waveguide terminals (4, 5) is provided. A projecting portion (8) is provided on a part of a ridge (7b) formed on a ridge-side wall surface opposite to a wall surface, the septum phase plate (2) being joined to the wall surface in a part where the septum phase plate has largest width, the projecting portion (8) being larger than other parts of the ridge (7b) in a cross-sectional shape perpendicular to the waveguide axial direction.
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公开(公告)号：US10581136B2
公开(公告)日：2020-03-03
申请号：US16094820
申请日：2016-05-24
发明人： Yu Ushijima , Hidenori Yukawa , Motomi Watanabe , Naofumi Yoneda
摘要： An input waveguide (6) having one end connected between an L-shaped waveguide (1a) and an L-shaped waveguide (1f) and another end connected to the PORT (1); an output waveguide (7) having one end connected between the L-shaped waveguide (1a) and a flat waveguide (1b) and another end connected to the PORT (2); an output waveguide (8) having one end connected between the flat waveguide (1b) and an L-shaped waveguide (1c) and another end connected to the PORT (3); an output waveguide (9) having one end connected between the L-shaped waveguide (1c) and an L-shaped waveguide (1d) and another end connected to the PORT (4); and a plurality of branching waveguides (10) each having one end connected to the output waveguide (7) and another end connected to the output waveguide (8) are provided.
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