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公开(公告)号：US20240136719A1
公开(公告)日：2024-04-25
申请号：US18493490
申请日：2023-10-23
Applicant: TDK CORPORATION
Inventor： Kenichi TEZUKA , Aozora KAWASAKI , Shin TAKANE , Yousuke FUTAMATA , Yasufumi FUKASAWA
Abstract: An antenna module is an antenna module including at least a first radiation electrode, and a first power feeding electrode coupled with the first radiation electrode, and includes: a first dielectric layer including the first power feeding electrode; and a second dielectric layer disposed at one side of the first dielectric layer in a thickness direction of the first power feeding electrode, and a fracture toughness value of the second dielectric layer is larger than a fracture toughness value of the first dielectric layer.
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公开(公告)号：US20250105515A1
公开(公告)日：2025-03-27
申请号：US18724918
申请日：2022-12-27
Applicant: TDK CORPORATION
Inventor： Kenichi TEZUKA , Mei FUKAYA
Abstract: An antenna includes a radiation conductor having a circular shape, a feed line configured to feed power to the radiation conductor, and a terminal connected to the feed line, in which impedance of the feed line is greater than impedance of a feed point of the terminal, and a line length of the feed line is longer than a radius of the radiation conductor.
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公开(公告)号：US20250036244A1
公开(公告)日：2025-01-30
申请号：US18697117
申请日：2022-10-06
Applicant: TDK Corporation
Inventor： Kenichi TEZUKA , Mei FUKAYA
IPC: G06F3/044
Abstract: An electroconductive pattern includes a third mesh portion that does not include the end electroconductive line as one side constituting the mesh portion, and in a case where a triangular virtual mesh portion including a portion extended from one electroconductive line of the first electroconductive line and of the second electroconductive line which constitute the third mesh portion to the end electroconductive line, a virtual line assuming that another electroconductive line is extended to the end electroconductive line, and the end electroconductive line is set, a length of a common electroconductive line between the first mesh portion and the third mesh portion is longer than the virtual line of the virtual mesh portion, and each of an opening area of the first mesh portion and an opening area of the second mesh portion is larger than an opening area of the virtual mesh portion.
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公开(公告)号：US20240429585A1
公开(公告)日：2024-12-26
申请号：US18826240
申请日：2024-09-06
Applicant: TDK Corporation
Inventor： Kenichi TEZUKA
Abstract: A transmission line includes a line portion extending in a first direction on one main surface side of a dielectric, and a terminal portion connected to an end part of the line portion, in which the line portion includes an opening conductor portion having a conductor pattern including an opening, and a planar conductor portion configured to be electrically connected to the opening conductor portion and to have a conductor extending so as to form a planar surface, the planar conductor portion is disposed apart from the terminal portion in the first direction, and the planar conductor portion has a length in the first direction greater than or equal to a length of the planar conductor portion in a second direction orthogonal to the first direction.
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公开(公告)号：US20240332822A1
公开(公告)日：2024-10-03
申请号：US18619322
申请日：2024-03-28
Applicant: TDK Corporation
Inventor： Kenichi TEZUKA , Yasuharu MIYAUCHI , Yousuke FUTAMATA , Misaki TABATA
Abstract: An antenna device includes: a dielectric layer; radiation conductors provided to the dielectric layer; and a plurality of columnar conductors disposed around the radiation conductor in plan view seen from a normal direction of the radiation conductor, and peripheral conductors are disposed on an outer side of the plurality of columnar conductors in plan view seen from the normal direction.
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Patent Agency Ranking
公开(公告)号：US20250141095A1
公开(公告)日：2025-05-01
申请号：US18931920
申请日：2024-10-30
Applicant: TDK Corporation
Inventor： Tomoyuki GOI , Matsumi WADA , Kenichi TEZUKA , Hiroshi SHINGAI
Abstract: A wiring body includes a base board, a ground pattern provided on the base board, and a conductor portion including a first conductor pattern and a second conductor pattern containing metal. The ground pattern is a conductor pattern extending so as to form a planar surface. The second conductor pattern is a mesh-like conductor pattern connected to the first conductor pattern. The conductor portion is able to be arranged in a bent state.
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公开(公告)号：US20240412893A1
公开(公告)日：2024-12-12
申请号：US18695563
申请日：2022-09-29
Applicant: TDK Corporation
Inventor： Kenichi TEZUKA , Mei FUKAYA
IPC: H01B5/16
Abstract: A first electroconductive pattern includes a plurality of first electroconductive lines extending in a first direction along a main surface and a plurality of second electroconductive lines extending along the main surface in a second direction orthogonal to the first direction, each of a first pitch of the first mesh portion and a second pitch of the second mesh portion is smaller than a third pitch of the third mesh portion, a sum of the first pitch and the second pitch is greater than the third pitch, and in a case where a difference between the sum and the third pitch is assumed to be a fourth pitch, each of the first pitch and the second pitch is greater than the fourth pitch, and the first mesh portion and the second mesh portion are dissimilar in shape to the third mesh portion.
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公开(公告)号：US20240235033A9
公开(公告)日：2024-07-11
申请号：US18493490
申请日：2023-10-24
Applicant: TDK CORPORATION
Inventor： Kenichi TEZUKA , Aozora KAWASAKI , Shin TAKANE , Yousuke FUTAMATA , Yasufumi FUKASAWA
Abstract: An antenna module is an antenna module including at least a first radiation electrode, and a first power feeding electrode coupled with the first radiation electrode, and includes: a first dielectric layer including the first power feeding electrode; and a second dielectric layer disposed at one side of the first dielectric layer in a thickness direction of the first power feeding electrode, and a fracture toughness value of the second dielectric layer is larger than a fracture toughness value of the first dielectric layer.
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公开(公告)号：US20230307810A1
公开(公告)日：2023-09-28
申请号：US18189417
申请日：2023-03-24
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Masahiro TATEMATSU , Shuhei SAWAGUCHI , Kenichi TEZUKA , Aozora KAWASAKI , Tetsuzo GOTO , Tomoyuki GOI
IPC: H01P1/20
Abstract: A filter includes a first port, a second port, a path, a circuit part, and at least one cavity resonator. The path connects the first port and the second port. The circuit part is provided in the path. Each of the at least one cavity resonator is coupled with the path from an outside of the path in a circuit configuration. The first cavity resonator is coupled with the path between the first port and the circuit part. The second cavity resonator is coupled with the path between the second port and the circuit part.
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公开(公告)号：US20240332823A1
公开(公告)日：2024-10-03
申请号：US18619654
申请日：2024-03-28
Applicant: TDK Corporation
Inventor： Kenichi TEZUKA , Yasuharu Miyauchi , Yousuke Futamata , Misaki Tabata
Abstract: An antenna device includes: a dielectric layer; radiation conductors and a ground conductor disposed at the dielectric layer; and side surface conductors in which a plurality of conductor patterns are laminated, the side surface conductors are disposed on an outer side of the ground conductors in a first direction in plan view seen from a normal direction of the radiation conductors, and the dimensions of the side surface conductors in a second direction perpendicular to the first direction are larger than the dimensions in the second direction of the radiation conductors.
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