WO2017199722A1 - アンテナ装置 - Google Patents

アンテナ装置 Download PDF

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Publication number
WO2017199722A1
WO2017199722A1 PCT/JP2017/016672 JP2017016672W WO2017199722A1 WO 2017199722 A1 WO2017199722 A1 WO 2017199722A1 JP 2017016672 W JP2017016672 W JP 2017016672W WO 2017199722 A1 WO2017199722 A1 WO 2017199722A1
Authority
WO
WIPO (PCT)
Prior art keywords
patch
ground
conductive fiber
area
antenna device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/016672
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
祐次 角谷
務 後藤
宏明 倉岡
小出　士朗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to DE112017002543.5T priority Critical patent/DE112017002543B4/de
Priority to US16/099,768 priority patent/US10784581B2/en
Priority to CN201780029571.XA priority patent/CN109155465B/zh
Publication of WO2017199722A1 publication Critical patent/WO2017199722A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means

Definitions

  • This disclosure relates to an antenna device having a flat plate structure.
  • a plate-shaped metal conductor (hereinafter referred to as a “ground portion”) that provides a ground potential by being connected to a power supply line, and disposed so as to face the ground plate.
  • an antenna device including a plate-like metal conductor (hereinafter referred to as a patch portion) provided with a feeding point at an arbitrary position, and a short-circuit portion that electrically connects the ground portion and the patch portion.
  • the antenna device having the above-described configuration adjusts the frequency (hereinafter, operating frequency) to be transmitted and received in the antenna device as a desired frequency by adjusting the distance between the patch unit and the ground plate and the area of the patch unit. can do.
  • the antenna device is desired to be further downsized.
  • One approach to downsizing an antenna device that employs the operating principle disclosed in Patent Document 1 is to reduce the area of the patch section and increase the inductance by reducing the capacitance caused by the area reduction. The method of offsetting by doing is considered.
  • the inductance can be realized by lengthening the short-circuit portion or connecting one end of a linear conductor to the short-circuit portion.
  • An object of the present disclosure is to provide an antenna device that can be reduced in size while suppressing an increase in Q value.
  • the antenna device includes a ground portion, a patch portion, a short-circuit portion, a patch area expansion portion, and a ground area expansion portion.
  • the ground is a plate-like conductor member.
  • the patch part is a plate-like conductor member installed in parallel so as to face the ground part.
  • the short-circuit portion is a conductor member that electrically connects the patch portion and the ground portion.
  • the patch area expanding portion is provided on a patch side facing surface that is a surface facing the ground portion in the patch portion, and expands an effective surface area that is an apparent area of the patch facing surface with respect to the ground portion.
  • the ground area expansion portion is provided in a region facing the patch area expansion portion of the ground-side facing surface, which is the surface facing the patch portion in the ground portion, and extends the effective surface area of the ground-side facing surface with respect to the patch portion.
  • the effective surface area of the patch-side facing surface expanded by the patch area expansion unit is an area that provides a necessary capacitance, which is a capacitance necessary to cause parallel resonance with the inductance provided by the short-circuit unit at a predetermined operating frequency. Yes.
  • the apparent area (that is, the effective surface area) of the patch-side facing surface with respect to the ground portion is expanded by providing the patch-area facing portion on the patch-side facing surface. Further, by providing the ground area facing portion on the ground side facing surface, the effective surface area of the ground side facing surface with respect to the patch portion is expanded. That is, a capacitance larger than the capacitance corresponding to the original area of the patch portion is formed.
  • the size of the patch portion can be made smaller than that of the conventional configuration.
  • the conventional structure here refers to the structure which does not provide a conductive fiber layer in each of a patch side opposing surface and a ground side opposing surface.
  • the antenna device can be reduced in size while suppressing an increase in the Q value.
  • the antenna device includes a ground-side conductive fiber portion, a patch-side conductive fiber portion, and a short-circuit portion.
  • the ground-side conductive fiber portion is a plate-like member realized using conductive fibers that are conductive fibers.
  • the patch-side conductive fiber portion is a plate-like member realized using conductive fibers, and is installed in parallel so as to face the ground-side conductive fiber portion.
  • the short-circuit portion is a conductor member that electrically connects the patch-side conductive fiber portion and the ground-side conductive fiber portion.
  • the size of the patch-side conductive fiber portion is a size that provides a necessary capacitance that is a capacitance necessary for causing parallel resonance with the inductance provided by the short-circuit portion at a predetermined operating frequency.
  • the antenna device also has a capacitance equal to or greater than the capacitance corresponding to the actual area of the patch-side conductive fiber portion in a top view, according to the same operating principle as the antenna device according to the first aspect of the present disclosure. Capacitance is formed. Therefore, according to the 2nd mode of this indication, there is the same effect as the 1st mode of this indication.
  • FIG. 2 is a cross-sectional view of the antenna device 100 taken along the line II-II shown in FIG.
  • FIG. 3 is an enlarged view of a portion surrounded by reference numeral III shown in FIG.
  • FIG. 1 is an external perspective view showing an example of a schematic configuration of an antenna device 100 according to the present embodiment.
  • 2 is a cross-sectional view of antenna device 100 taken along the line II-II shown in FIG.
  • the antenna device 100 is configured to transmit and receive radio waves having a predetermined operating frequency.
  • the antenna device 100 may be used for only one of transmission and reception.
  • the operating frequency is 5.9 GHz as an example here.
  • the operating frequency may be designed as appropriate, and as another aspect, for example, 300 MHz, 760 MHz, 900 MHz, or the like may be used.
  • the antenna device 100 can transmit and receive not only the operating frequency but also a radio wave having a frequency within a predetermined range before and after the operating frequency.
  • the frequency band in which the antenna device 100 can be transmitted and received is also referred to as an operation band.
  • the antenna device 100 is connected to a wireless device via, for example, a coaxial cable, and signals received by the antenna device 100 are sequentially output to the wireless device.
  • the antenna device 100 converts an electric signal input from the wireless device into a radio wave and radiates it into space.
  • the wireless device uses a signal received by the antenna device 100 and supplies high-frequency power corresponding to the transmission signal to the antenna device 100.
  • the antenna device 100 and the wireless device are assumed to be connected by a coaxial cable.
  • other known communication cables such as a feeder line may be used for connection.
  • the antenna device 100 and the wireless device may be configured to be connected via a known matching circuit or filter circuit in addition to the coaxial cable.
  • the antenna device 100 includes a ground part 10, a patch part 20, a patch-side conductive fiber layer 30, a ground-side conductive fiber layer 40, a support part 50, and a short-circuit part 60.
  • the ground portion 10 is a plate-like (including foil) conductor member made of a conductor such as copper.
  • the ground unit 10 is electrically connected to the outer conductor of the coaxial cable and provides a ground potential (in other words, a ground potential) in the antenna device 100.
  • the ground part 10 should just be larger than the patch part 20, and the shape (henceforth plane shape) in the top view should just be designed suitably.
  • the planar shape of the ground portion 10 is a square shape, but as another aspect, the planar shape of the ground portion 10 may be a rectangular shape or other polygonal shapes. Further, it may be circular (including an ellipse). Of course, the shape which combined the linear part and the curved part may be sufficient.
  • the patch part 20 is a plate-like conductor member made of a conductor such as copper.
  • the patch part 20 is disposed so as to face the ground part 10 via the patch side conductive fiber layer 30, the ground side conductive fiber layer 40, and the support part 50.
  • the planar shape of the patch portion 20 is a square, but may be a rectangle or a shape other than a rectangle (for example, a circle or an octagon).
  • the patch-side conductive fiber layer 30 is a conductive fiber layer (hereinafter referred to as a conductive fiber layer).
  • the patch-side conductive fiber layer 30 is provided on a surface of the patch portion 20 that faces the ground portion 10 (hereinafter referred to as a patch-side facing surface).
  • the patch-side conductive fiber layer 30 is provided in the entire region of the patch-side facing surface excluding the portion where the short-circuit portion 60 is provided.
  • FIG. 3 is an enlarged view of a region surrounded by a broken line in FIG. 2 and shows a schematic configuration of the patch-side conductive fiber layer 30.
  • the patch-side conductive fiber layer 30 in the present embodiment is formed so that conductive fibers (hereinafter referred to as conductive fibers) stand upright with respect to the patch-side facing surface.
  • conductive fibers hereinafter referred to as conductive fibers
  • the term “upright” is not limited to being completely upright, but includes an aspect in which the angle with respect to the patch-side facing surface is inclined within a predetermined angle (for example, 60 degrees) or more.
  • the conductive fibers extend from the patch-side facing surface toward the ground portion 10.
  • the gaps between the conductive fibers are filled with a dielectric having a predetermined dielectric constant.
  • a dielectric having a predetermined dielectric constant such as carbon nanotubes and silver nanowires can be used as the conductive fibers.
  • the conductive fiber that provides the conductive fiber layer is a silver nanowire.
  • the patch-side conductive fiber layer 30 corresponds to a patch area expansion part for the reason described later.
  • the ground side conductive fiber layer 40 is also a conductive fiber layer, and its specific structure is the same as that of the patch side conductive fiber layer 30.
  • the ground-side conductive fiber layer 40 is provided on the surface of the ground portion 10 that faces the patch portion 20 (hereinafter, the ground-side facing surface).
  • the ground side conductive fiber layer 40 should just be provided in the part facing the patch side conductive fiber layer 30 among ground side opposing surfaces. That is, in the ground-side conductive fiber layer 40, the conductive fibers extend from the ground-side facing surface toward the patch portion 20.
  • the ground side conductive fiber layer 40 corresponds to a ground area expansion portion.
  • the patch unit 20 and the patch-side conductive fiber layer 30 are collectively referred to as a patch-side unit.
  • the ground part 10 and the ground side conductive fiber layer 40 collectively, it describes as a ground side unit.
  • the patch-side unit and the ground-side unit function as a capacitor that provides a capacitance corresponding to the area of the patch-side unit by being disposed to face each other.
  • the support part 50 is a member for arranging the ground side unit and the patch side unit so as to face each other with a predetermined interval.
  • the support part 50 should just be implement
  • the support portion 50 is a plate-like member having a thickness H1.
  • the thickness H1 of the support portion 50 the opposing conductor distance H2 as the separation between the patch portion 20 and the ground portion 10 can be adjusted. This is because the value obtained by adding the thickness of each conductive fiber layer to the thickness H1 corresponds to the opposing conductor distance H2.
  • the opposing conductor distance H2 functions as an element for adjusting the length of the short-circuit portion 60, in other words, the inductance provided by the short-circuit portion 60, as will be described later.
  • the opposing conductor distance H2 also functions as an element that adjusts the capacitance formed by the ground unit and the patch unit facing each other.
  • the interval H1 only needs to be sufficiently small with respect to the wavelength of the radio wave at the operating frequency (hereinafter referred to as the target wavelength), and a specific value may be appropriately determined by simulation or test.
  • the interval H1 is preferably at least one-tenth of the target wavelength. For example, it may be set to 1/50 or 1/100 of the target wavelength.
  • the support part 50 should just play the above-mentioned role, and the shape of the support part 50 should just be designed suitably.
  • the support part 50 may be a plate-like member that supports the ground part 10 and the patch part 20 so as to face each other with a predetermined interval H1, or may be a plurality of pillars.
  • the present invention is not limited thereto.
  • the space between the ground side unit and the patch side unit may be hollow, or a plurality of types of dielectrics may be laminated.
  • the structures exemplified above may be combined.
  • the short-circuit part 60 is a conductive member that is electrically connected to the patch part 20 and the ground part 10.
  • the short circuit part 60 should just be implement
  • a via provided in the printed wiring board may function as the short-circuit portion 60.
  • the short-circuit portion 60 is a linear member having one end electrically connected to the ground portion 10 and the other end electrically connected to the patch portion 20.
  • the electrical connection with the patch unit 20 includes an electromagnetic connection which will be described later as a third modification.
  • the short-circuit portion 60 is provided at a position that is the center of the patch portion 20 (hereinafter referred to as a patch center point) in the top view.
  • the patch center point may be a point corresponding to the center of gravity of the patch unit 20. Since the patch part 20 of this embodiment is square, the patch center point corresponds to the intersection of square diagonal lines.
  • the short-circuit portion 60 is not necessarily arranged at the patch center point. If it is arranged at a position other than the patch center point, a directivity bias according to the amount of deviation from the patch center point occurs. In a range where the directivity deviation falls within a predetermined allowable range, the short-circuit portion 60 may be disposed at a position shifted from the patch center point.
  • the various conductive fiber layers are aggregates of conductive fibers, the various conductive fiber layers have a surface area of a plane area or more.
  • a plane area here is an area in a top view. For example, when the number density of silver nanowires is 10 9 [lines / cm 2 ], the wire radius is 20 [nm], and the wire length (in other words, the thickness of the conductive fiber layer) is 32 [ ⁇ m], The surface area per 1 [cm 2 ] is 40 [cm 2 ].
  • ground side conductive fiber layer 40 and the patch side conductive fiber layer 30 are arranged on the ground part 10 and the patch part 20 so as to face each other.
  • effective surface area the apparent area of the patch-side facing surface with respect to the ground portion 10 (hereinafter, effective surface area) is expanded by the same principle as that of the electrolytic capacitor.
  • the capacitance per unit area provided by the patch-side unit is increased as compared with the conventional configuration without the conductive fiber layer. be able to.
  • the effective surface area is a concept corresponding to the electrode area in the field of electrolytic capacitors.
  • the conductive fiber layer provided so as to oppose each other on the patch-side facing surface and the ground-side facing surface has an area (that is, effective surface area) of the patch portion 20 that contributes to the formation of the capacitance. It functions as a member that expands to a value larger than the area of the portion 20.
  • the antenna device 100 can be downsized without increasing the Q value indicating the sharpness of the peak of the operating band.
  • the capacitance provided by the patch-side unit being disposed opposite to the ground-side unit needs to have a magnitude that allows parallel resonance with the inductance formed by the short-circuit portion 60 at the operating frequency.
  • the capacitance per unit area (hereinafter referred to as unit capacitance) provided by the patch side unit being disposed opposite to the ground side unit can also be changed by the separation H1.
  • the unit capacitance corresponding to the separation H1 may be measured and specified by a test or the like. If the unit capacitance according to the separation H1 is used, the area that the patch unit 20 should have can be determined.
  • each part provided in the antenna device 100 described above may be designed in the following procedure, for example.
  • the length of the short-circuit portion 60 derived from the separation H1 is determined according to the height allowed for the antenna device 100.
  • the inductance provided by the short-circuit portion 60 is determined.
  • the capacitance to be provided by the patch side unit is determined from the inductance provided by the short-circuit unit 60 and the operating frequency. Then, based on the capacitance to be formed by the patch side unit and the unit capacitance according to the separation H1, the planar shape and size (in other words, area) of the patch unit 20 are determined.
  • the ground-side conductive fiber layer 40, the support portion 50, the patch-side conductive fiber layer 30, the patch portion 20, and the like may be formed on the ground portion 10 in order.
  • the short circuit part 60 should just be arrange
  • the feeding point may be provided at a position designed as appropriate, such as a position where impedance matching is obtained.
  • the feeding method may be a direct coupling feeding method or an electromagnetic coupling feeding method.
  • the direct power feeding method includes an aspect in which a short pin as the short-circuit portion 60 is directly connected to the outer conductor of the coaxial cable and an aspect in which the short pin is indirectly connected through a predetermined impedance matching circuit.
  • the antenna device 100 described above can be used in a moving body such as a vehicle, for example.
  • the antenna unit 100 is installed on the roof portion of the vehicle so that the ground portion 10 is substantially horizontal and the direction from the ground portion 10 toward the patch portion 20 substantially coincides with the zenith direction. That's fine.
  • the effective area may be expanded by providing an uneven portion 30A as shown in FIG. 5 on the ground side facing surface and the patch side facing surface. Even in such an aspect, the same effects as those of the above-described embodiment can be obtained.
  • the uneven portion 30A provided on the patch-side facing surface corresponds to the patch area extending portion
  • the uneven portion 30A provided on the ground-side facing surface corresponds to the ground area expanding portion.
  • the concavo-convex portion 30A can be realized by, for example, etching the ground side facing surface and the patch side facing surface.
  • the specific shape of the concavo-convex portion 30A may be any shape as long as the above effect is achieved. For example, it may be a pyramid shape such as a triangular pyramid or a quadrangular pyramid, or may be a frustum shape. Good. It is assumed that the gaps between the individual irregularities provided in the irregular portion 30A are filled with a dielectric (for example, resin) having a predetermined dielectric constant, like the conductive fiber layer.
  • a dielectric for example, resin
  • the short circuit part 60 and the patch part 20 connected directly was disclosed above, it is not restricted to this.
  • a predetermined separation may be provided between the short-circuit portion 60 and the patch portion 20 so as to be electromagnetically coupled to each other. That is, of the end portions of the short-circuit portion 60, the end portion (hereinafter referred to as the patch-side end portion) 61 on the side where the patch portion 20 exists may be an open end.
  • the separation between the patch side end portion 61 and the patch portion 20 is a sufficiently small value with respect to the target wavelength.
  • the separation between the patch side end 61 and the patch unit 20 may be set to 1/100 of the target wavelength.
  • the patch-side end portion 61 is electrically connected to one end of a conductive linear pattern 70 formed in a plane parallel to the patch portion 20, as shown in FIGS. May be.
  • FIG. 7 is a cross-sectional view corresponding to FIG. 2 of the antenna device 100 according to Modification 7.
  • FIG. 8 is a schematic top view of the antenna device 100. For convenience, it should be noted that the size of each member in FIG. 8 does not completely match that in FIG.
  • the linear pattern 70 may be formed on the resin layer 80 laminated on the upper surface of the patch unit 20.
  • the upward direction is a direction from the ground portion 10 toward the patch portion 20.
  • the upper surface of the patch unit 20 is a surface that does not face the ground-side facing surface.
  • the end portion on the side not connected to the patch side end portion 61 is an open end.
  • the linear pattern 70 does not have to be spiral as shown in FIG. 8 and may be linear. Further, it may be curved.
  • the effective surface area extension portion is provided so as to provide a part of the capacitance necessary for causing parallel resonance with the inductance provided by the short-circuit portion 60 at the operating frequency (hereinafter referred to as required capacitance). To do.
  • the area of the portion where the effective surface area extension portion is not provided on the patch-side facing surface is designed to have an area that provides a capacitance that compensates for the lack of capacitance provided by the effective surface area extension portion with respect to the required capacitance. It should be done.
  • the antenna device 100 can be reduced in size while suppressing an increase in the Q value.
  • the antenna device 100 described above may be a single unit structure, and a plurality of unit structures may be periodically arranged in one dimension as shown in FIG. Further, as shown in FIG. 10, a plurality of unit structures may be periodically arranged in two dimensions.
  • the broken line in FIG. 9 and FIG. 10 represents a break (in other words, a boundary line) of the unit structure.
  • the structure in which the unit structures shown in FIG. 9 and FIG. 10 are periodically arranged is known as an EGB (Electromagnetic Band Band Gap) structure.
  • EGB Electromagnetic Band Band Gap
  • the configuration disclosed in FIG. 9 and FIG. 10 can be realized by using a known method for realizing the EGB structure.
  • FIG. 11 corresponds to FIG. 2 and is a cross-sectional view of the antenna device 200.
  • the antenna device 200 includes a ground-side conductive fiber layer 40 that also serves as the ground part 10, a patch-side conductive fiber layer 30 that also serves as the patch part 20, and a support part 50.
  • the short-circuit part 60 is provided.
  • the support portion 50 in the second embodiment supports the ground-side conductive fiber layer 40 and the patch-side conductive fiber layer 30 so as to face each other with a predetermined interval H1.
  • the short-circuit part 60 electrically connects the ground side conductive fiber layer 40 and the patch side conductive fiber layer 30. Even with such a configuration, the same effects as those of the first embodiment can be obtained.
  • the patch-side conductive fiber layer 30 in the second embodiment corresponds to the patch-side conductive fiber portion
  • the ground-side conductive fiber layer 40 corresponds to the ground-side conductive fiber portion.
  • the ideas disclosed as various modifications to the first embodiment described above can be applied to the second embodiment.
  • the end of the short-circuit portion 60 where the patch-side conductive fiber layer 30 exists (that is, the patch-side end portion 61) may be an open end.
  • the linear pattern 70 may be connected to the patch side end portion 61.
  • the antenna device 200 may be a unit structure, and a plurality of unit structures may be periodically arranged in one dimension or two dimensions.

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PCT/JP2017/016672 2016-05-17 2017-04-27 アンテナ装置 Ceased WO2017199722A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112017002543.5T DE112017002543B4 (de) 2016-05-17 2017-04-27 Antennenvorrichtung
US16/099,768 US10784581B2 (en) 2016-05-17 2017-04-27 Antenna device
CN201780029571.XA CN109155465B (zh) 2016-05-17 2017-04-27 天线装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-098991 2016-05-17
JP2016098991A JP6519526B2 (ja) 2016-05-17 2016-05-17 アンテナ装置

Publications (1)

Publication Number Publication Date
WO2017199722A1 true WO2017199722A1 (ja) 2017-11-23

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PCT/JP2017/016672 Ceased WO2017199722A1 (ja) 2016-05-17 2017-04-27 アンテナ装置

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US (1) US10784581B2 (cg-RX-API-DMAC7.html)
JP (1) JP6519526B2 (cg-RX-API-DMAC7.html)
CN (1) CN109155465B (cg-RX-API-DMAC7.html)
DE (1) DE112017002543B4 (cg-RX-API-DMAC7.html)
WO (1) WO2017199722A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020108280A1 (de) * 2019-03-26 2020-10-01 Sony Corporation Mikrowellenantennenvorrichtung
JP6962346B2 (ja) 2019-03-26 2021-11-05 株式会社Soken アンテナ装置
KR102645286B1 (ko) 2019-04-30 2024-03-11 삼성전자주식회사 복수의 층을 포함하는 안테나 방사체 및 그것을 포함하는 전자 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005183443A (ja) * 2003-12-16 2005-07-07 Hitachi Zosen Corp キャパシタ組込みプリント基板
JP2007504768A (ja) * 2003-09-08 2007-03-01 サムスン エレクトロニクス カンパニー リミテッド 電磁気的結合給電小型広帯域モノポールアンテナ
US20090174606A1 (en) * 2008-01-08 2009-07-09 Motorola, Inc. Radio frequency system component with configurable anisotropic element
JP2009190948A (ja) * 2008-02-15 2009-08-27 Panasonic Corp カーボンナノチューブ構造体、これを用いた電極及び電気二重層キャパシタ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6940468B2 (en) * 2001-02-15 2005-09-06 Integral Technologies, Inc. Transformers or inductors (“transductors”) and antennas manufactured from conductive loaded resin-based materials
US7230572B2 (en) * 2001-02-15 2007-06-12 Integral Technologies, Inc. Low cost antenna devices comprising conductive loaded resin-based materials with conductive wrapping
US6870516B2 (en) 2001-02-16 2005-03-22 Integral Technologies, Inc. Low cost antennas using conductive plastics or conductive composites
WO2005002315A2 (en) * 2003-07-02 2005-01-13 Integral Technologies, Inc. Low cost electromagnetic energy absorbers manufactured from conductive loaded resin-based materials
US7911386B1 (en) 2006-05-23 2011-03-22 The Regents Of The University Of California Multi-band radiating elements with composite right/left-handed meta-material transmission line
JP5326649B2 (ja) 2009-02-24 2013-10-30 日本電気株式会社 アンテナ、アレイアンテナ、プリント基板、及びそれを用いた電子装置
JP6004724B2 (ja) 2012-04-24 2016-10-12 三菱電機株式会社 車両周辺監視システムおよび車載器
JP6603985B2 (ja) 2014-11-26 2019-11-13 いすゞ自動車株式会社 アイドリングストップスタート車両及び車両のアイドリングストップスタート制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007504768A (ja) * 2003-09-08 2007-03-01 サムスン エレクトロニクス カンパニー リミテッド 電磁気的結合給電小型広帯域モノポールアンテナ
JP2005183443A (ja) * 2003-12-16 2005-07-07 Hitachi Zosen Corp キャパシタ組込みプリント基板
US20090174606A1 (en) * 2008-01-08 2009-07-09 Motorola, Inc. Radio frequency system component with configurable anisotropic element
JP2009190948A (ja) * 2008-02-15 2009-08-27 Panasonic Corp カーボンナノチューブ構造体、これを用いた電極及び電気二重層キャパシタ

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JP6519526B2 (ja) 2019-05-29
DE112017002543T5 (de) 2019-02-14
CN109155465B (zh) 2020-06-23
JP2017208665A (ja) 2017-11-24
DE112017002543B4 (de) 2021-11-25
US10784581B2 (en) 2020-09-22
US20190181558A1 (en) 2019-06-13

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