JP2020048175A - カバーおよび車載用フィン型アンテナ装置 - Google Patents
カバーおよび車載用フィン型アンテナ装置 Download PDFInfo
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- JP2020048175A JP2020048175A JP2018196689A JP2018196689A JP2020048175A JP 2020048175 A JP2020048175 A JP 2020048175A JP 2018196689 A JP2018196689 A JP 2018196689A JP 2018196689 A JP2018196689 A JP 2018196689A JP 2020048175 A JP2020048175 A JP 2020048175A
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/065—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids the hydroxy and carboxylic ester groups being bound to aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
- C08G63/605—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds the hydroxy and carboxylic groups being bound to aromatic rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
- H01Q1/3241—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems particular used in keyless entry systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Remote Sensing (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Radar, Positioning & Navigation (AREA)
- Details Of Aerials (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Polyesters Or Polycarbonates (AREA)
- Support Of Aerials (AREA)
Abstract
Description
[変化率=(P30−P6)/P6×100(P6:予熱6分後の測定値、P30:予熱30分後の測定値)]
2 ベース
3 レドーム(カバー)
4 回路基板
5a-5d アンテナ部(電磁気/電磁波発生装置)
6a-6d 基体
7a-7d アンテナパターン
8 ケーブル
12 充填材
20 防水通気フィルタ
Claims (16)
- 電磁気/電磁波発生装置を保護し、且つ、電磁気/電磁波発生装置から生じる電磁気/電磁波を透過可能な筐体として形成されたカバーであって、
前記筐体を、結晶性樹脂をベース樹脂とし、荷重たわみ温度が100℃以上である樹脂材料で形成したカバー。 - 前記樹脂材料の誘電正接が0.01以下である請求項1に記載のカバー。
- 前記樹脂材料のベース樹脂が、PMP、LCP、PPS、PBTの何れかである請求項1または2に記載のカバー。
- 前記樹脂材料のベース樹脂が、下記の化学式1に示す繰り返し構造単位を有するLCPである請求項1または2に記載のカバー。
- 前記樹脂材料のベース樹脂が、下記の化学式2に示す繰り返し構造単位を有するLCPである請求項1または2に記載のカバー。
- 複数のアンテナ部と、前記複数のアンテナ部と電気的に接続された回路基板と、前記複数のアンテナ部及び回路基板を内部に収容するレドームとを備えた車載用フィン型アンテナ装置であって、
前記レドームを、結晶性樹脂をベース樹脂とし、荷重たわみ温度が100℃以上である樹脂材料で形成した車載用フィン型アンテナ装置。 - 前記アンテナ部を4個以上有する請求項6に記載の車載用フィン型アンテナ装置。
- 前記複数のアンテナ部が、キーレスエントリー用アンテナ部を含む請求項6または7に記載の車載用フィン型アンテナ装置。
- 前記レドームの内部に充填材が封入され、該充填材により前記複数のアンテナ部を一体に保持した請求項6〜8の何れか1項に記載の車載用フィン型アンテナ装置。
- 前記充填材が発泡材料からなる請求項9に記載の車載用フィン型アンテナ装置。
- 前記充填材の誘電正接が0.02以下である請求項9又は10に記載の車載用フィン型アンテナ装置。
- 前記樹脂材料の誘電正接が0.01以下である請求項6〜11の何れか1項に記載の車載用フィン型アンテナ装置。
- 前記樹脂材料のベース樹脂が、PMP、LCP、PPS、PBTの何れかである請求項6〜12の何れか1項に記載の車載用フィン型アンテナ装置。
- 前記樹脂材料のベース樹脂が、下記の化学式3に示す繰り返し構造単位を有するLCPである請求項6〜12の何れか1項に記載の車載用フィン型アンテナ装置。
- 前記樹脂材料のベース樹脂が、下記の化学式4に示す繰り返し構造単位を有するLCPである請求項6〜12の何れか1項に記載の車載用フィン型アンテナ装置。
- レドームに防水通気フィルタを設けた請求項6〜15の何れか1項に記載の車載用フィン型アンテナ装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/649,168 US11133579B2 (en) | 2017-10-18 | 2018-10-18 | Cover and vehicle-mounted fin type antenna device |
PCT/JP2018/038866 WO2019078303A1 (ja) | 2017-10-18 | 2018-10-18 | カバーおよび車載用フィン型アンテナ装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017201930 | 2017-10-18 | ||
JP2017201930 | 2017-10-18 | ||
JP2018173742 | 2018-09-18 | ||
JP2018173742 | 2018-09-18 |
Publications (2)
Publication Number | Publication Date |
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JP2020048175A true JP2020048175A (ja) | 2020-03-26 |
JP7110058B2 JP7110058B2 (ja) | 2022-08-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018196689A Active JP7110058B2 (ja) | 2017-10-18 | 2018-10-18 | カバーおよび車載用フィン型アンテナ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11133579B2 (ja) |
EP (1) | EP3700012A4 (ja) |
JP (1) | JP7110058B2 (ja) |
CN (1) | CN111108647B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6881349B2 (ja) * | 2018-02-26 | 2021-06-02 | 株式会社デンソー | 車両用アンテナ装置 |
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JP7110058B2 (ja) | 2022-08-01 |
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EP3700012A4 (en) | 2022-01-12 |
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