WO2022099576A1 - Ensemble antenne et véhicule aérien sans pilote - Google Patents

Ensemble antenne et véhicule aérien sans pilote Download PDF

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Publication number
WO2022099576A1
WO2022099576A1 PCT/CN2020/128513 CN2020128513W WO2022099576A1 WO 2022099576 A1 WO2022099576 A1 WO 2022099576A1 CN 2020128513 W CN2020128513 W CN 2020128513W WO 2022099576 A1 WO2022099576 A1 WO 2022099576A1
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WO
WIPO (PCT)
Prior art keywords
antenna assembly
antenna
functional circuit
radiating element
circuit
Prior art date
Application number
PCT/CN2020/128513
Other languages
English (en)
Chinese (zh)
Inventor
马超
李栋
田川
Original Assignee
深圳市大疆创新科技有限公司
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 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN202080069085.2A priority Critical patent/CN114651372A/zh
Priority to PCT/CN2020/128513 priority patent/WO2022099576A1/fr
Publication of WO2022099576A1 publication Critical patent/WO2022099576A1/fr

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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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set

Definitions

  • the present application relates to the field of communication technologies, and in particular, to an antenna assembly and an unmanned aerial vehicle.
  • the general LED circuit has slightly more wiring, when it is designed on the same substrate as the drone antenna , the antenna performance will be degraded due to the coupling between the antenna and the LED circuit.
  • the present application provides an antenna assembly and a drone.
  • the antenna assembly includes:
  • the substrate comprising a first face and a second face opposite to each other;
  • the antenna radiation unit is arranged on the first surface
  • a functional circuit wherein the functional circuit is provided on at least one of the first surface and the second surface, the functional circuit includes a mounting portion and a connecting portion, the connecting portion is connected to the mounting portion, and the mounting portion is used for For mounting the functional piece, the connecting portion is formed with discontinuities such that the connecting portion includes a spaced first portion and a second portion, the first portion and the second portion being connected by a decoupling connection device, the decoupling connection The device enables the first part and the second part to be electrically connected at the working frequency of the functional circuit, and equivalently disconnected at the working frequency of the antenna radiating unit.
  • the functional circuit and the antenna radiating unit are arranged on the substrate, and the first part and the second part of the interval are connected by a decoupling connection device.
  • the operation of the functional circuit can be ensured;
  • the adverse effect of the connection portion on the performance of the antenna radiation unit can be reduced or avoided, and the normal operation of the antenna radiation unit can be ensured.
  • the antenna assembly is mounted on at least one of the arm and the foot stand.
  • the functional circuit and the antenna radiating unit are arranged on the substrate, and the first part and the second part of the interval are connected by a decoupling connection device.
  • the operation of the functional circuit can be guaranteed, and on the other hand, the decoupling connection device It is also possible to reduce or avoid the adverse effect of the connection portion on the performance of the antenna radiating unit, so as to ensure that the antenna radiating unit can work normally.
  • FIG. 1 is a schematic structural diagram of an antenna assembly according to an embodiment of the present application
  • FIG. 2 is another schematic structural diagram of an antenna assembly according to an embodiment of the present application.
  • FIG. 3 is an exploded view of the antenna assembly of the embodiment of the present application.
  • FIG. 4 is a graph of standing waves of the antenna assembly according to the embodiment of the present application under different conditions
  • FIG. 5 is another schematic structural diagram of an antenna assembly according to an embodiment of the present application.
  • Fig. 6 is the enlarged view of X part of Fig. 3;
  • FIG. 7 is another schematic structural diagram of an antenna assembly according to an embodiment of the present application.
  • FIG 8 is another schematic structural diagram of an antenna assembly according to an embodiment of the present application.
  • FIG. 9 is a partial structural schematic diagram of an unmanned aerial vehicle according to an embodiment of the present application.
  • Antenna assembly 100 UAV 2000;
  • the substrate 110 the antenna radiation unit 130, the functional circuit 150, the first surface 170, the second surface 190;
  • the mounting part 210 the connecting part 230 , the first part 231 , the second part 233 , the overlapping area 250 , the decoupling connecting device 270 , and the power feeding part 290 ;
  • the machine arm 410 The machine arm 410 , the machine head 430 , and the fuselage 450 .
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the application, “plurality” means two or more, unless expressly and specifically defined otherwise.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements.
  • an antenna assembly 100 provided by an embodiment of the present application includes a substrate 110 , an antenna radiation unit 130 and a functional circuit 150 .
  • the substrate 110 includes a first side 170 and a second side 190 that are opposite to each other.
  • the antenna radiation unit 130 is provided on the first surface 170 .
  • the functional circuit 150 is provided on at least one of the first surface 170 and the second surface 190 .
  • the functional circuit 150 includes a mounting portion 210 and a connecting portion 230 .
  • the connecting portion 230 is connected to the mounting portion 210 .
  • the mounting part 210 is used for mounting the functional part 220 .
  • the connecting portion 230 is formed with discontinuities such that the connecting portion 230 includes a first portion 231 and a second portion 233 spaced apart.
  • the first part 231 and the second part 233 are connected by a decoupling connection device 270 .
  • the decoupling connection device 270 enables the first part 231 and the second part 233 to be electrically connected at the working frequency of the functional circuit 150 , and equivalently disconnected at the working frequency of the antenna radiating unit 130 .
  • the functional circuit 150 and the antenna radiating unit 130 are arranged on the substrate 110, and the first part 231 and the second part 233 of the interval are connected by the decoupling connecting device 270.
  • the operation of the functional circuit 150 can be ensured, and the other
  • the decoupling connecting device 270 can also reduce or avoid the adverse effect of the connecting portion 230 on the performance of the antenna radiating unit 130, so as to ensure that the antenna radiating unit 130 can work normally.
  • the antenna radiation unit 130 is provided on the first surface 170
  • the functional circuit 150 is provided on the second surface 190 . It can be understood that the antenna radiation unit 130 can be used for transmitting and receiving radio frequency signals.
  • the operating frequencies of the antenna radiating unit 130 are the frequency band where 2.4 GHz is located and the frequency band where 5.8 GHz is located. In another embodiment, the operating frequency of the functional circuit 150 is less than or equal to 10 MHz.
  • the decoupling connection device 270 since the first part 231 and the second part 233 are electrically connected through the decoupling connection device 270, when the functional circuit 150 receives a high-frequency radio frequency signal (relative to the operating frequency of the functional circuit 150), the radio frequency signal will Due to the decoupling connection device 270, effective transmission cannot be formed between the first part 231 and the second part 233, so that the influence of the coupling between the antenna radiating unit 130 and the functional circuit 150 is reduced, thereby reducing the radiation performance of the antenna radiating unit 130. Influence.
  • the graph shown in FIG. 4 is a comparison of the standing wave ratio of the port under different conditions.
  • curve A corresponds to the case where the functional circuit 150 is connected (that is, the first part 231 and the second part 233 are directly connected)
  • curve B corresponds to the case where only the antenna radiating unit 130 exists (that is, the functional circuit 150 is not provided)
  • the curve C corresponds to In the case where the functional circuit 150 is disconnected (ie, the first part 231 and the second part 233 are directly disconnected)
  • the curve D is for the case of the embodiment of the present application.
  • the abscissa represents the frequency (GHz), and the ordinate represents the standing wave ratio (dB) of the port.
  • the antenna radiation unit 130 in the embodiment of the present application can also achieve good antenna performance in the presence of the functional circuit 150 .
  • the antenna radiating element 130 is provided on the first side 170 and the functional circuit 150 is provided on the second side 190, and the antenna radiating element 130 is provided on the first side 170, and the functional circuit 150 is provided on the first side 170 and the second side 190
  • the specific principle can be referred to the specific principle of the above-mentioned implementation, which will not be repeated here.
  • the antenna radiating element 130 is in the form of a symmetrical dipole, a monopole, or the like.
  • the decoupling connection device 270 includes at least one of an inductor, a filter, and a filter circuit. It can be understood that the inductor, filter and filter circuit have the functions of transmitting low-frequency signals and blocking high-frequency signals, so that when the radio frequency signal is received by the functional circuit 150, the radio frequency signal is blocked by the decoupling connection device 270 and cannot pass along the functional circuit. 150 can effectively transmit, and can be equivalent to a short circuit with respect to the operating frequency of the functional circuit 150 and the electrical signal in the form of DC, so that the normal function of the functional circuit 150 will not be affected.
  • the difference between the self-resonant frequency of the inductor and the operating frequency of the antenna radiating element 130 is less than or equal to a preset frequency threshold.
  • the impedance of the inductance at the self-resonant frequency is large. Selecting the inductance whose self-resonant frequency is near the working frequency of the antenna radiating element 130 can form an equivalent open circuit for the radio frequency signal.
  • the preset frequency threshold can be adjusted according to the operating frequency of the antenna radiation unit 130 .
  • the filter includes a low-pass filter
  • the filter circuit includes a low-pass filter circuit. In this way, the high-frequency blocking effect of the decoupling connection device 270 on the radio frequency signal can also be ensured.
  • functional circuit 150 is a lighting circuit.
  • the functional element 220 is a light source.
  • the light-emitting circuit includes a signal shaping, amplifying and driving circuit, a power supply voltage regulator circuit, a constant current circuit, and an RC oscillator.
  • the light source is LED light.
  • the light-emitting LED light can be formed with a plurality of pixel points, and the light-emitting circuit can control each light-emitting LED light to turn on and off.
  • the light source also includes a lighting circuit.
  • the connecting portion 230 extends at least partially parallel to the length direction of the antenna radiating element 130 . In this way, the processing of the connection portion 230 and the antenna radiation unit 130 can be facilitated.
  • the connecting portion 230 extends at least partially parallel to the length direction of the antenna radiating element 130
  • the first portion 231 can extend parallel to the length direction of the antenna radiating element 130
  • the second portion 233 can be parallel to the length of the antenna radiating element 130
  • the extension direction may also be that the first part 231 and the second part 233 extend parallel to the length direction of the antenna radiating element 130 .
  • the length of the first portion 231 and the length of the second portion 233 are both less than a predetermined length threshold.
  • the preset length threshold can be adjusted according to the operating frequency of the antenna radiation unit 130 .
  • the preset length threshold is a quarter wavelength of the working frequency of the antenna radiating unit 130 , so that the length of the first part 231 and the second part 233 can be prevented from being greater than a quarter of the working frequency of the antenna radiating unit 130 One wavelength, so that the coupling between the antenna radiating element 130 and the functional circuit 150 is formed under the high-frequency radio frequency signal, and energy loss is generated.
  • the value range of the preset length threshold may be [8, 10] mm.
  • the length of the connecting portion 230 is neither equal to a quarter wavelength nor a half wavelength of the operating frequency of the antenna radiating element 130 .
  • the functional circuit 150 is disposed on the second surface 190 .
  • An overlapping area 250 exists between the antenna radiation unit 130 and the functional circuit 150 on the orthographic plane of the substrate 110 . As such, the size of the antenna assembly 100 can be reduced.
  • the projection of the antenna radiating element 130 provided on the first surface 170 and the functional circuit 150 provided on the second surface 190 along the direction perpendicular to the substrate 110 forms an overlapping area 250 .
  • the size of the overlapping area 250 can be adjusted, and the size of the substrate 110 can be adjusted conveniently, thereby It is beneficial to reduce the size of the antenna assembly 100 .
  • substrate 110 means the projection surface formed in the direction perpendicular
  • the functional circuit 150 includes at least two mounting portions 210 , the at least two mounting portions 210 are arranged along the length direction of the antenna radiating unit 130 , and two adjacent mounting portions 210 are connected with A connector 230.
  • the functional circuit 150 is a light-emitting circuit
  • a plurality of functional components 220 (light sources) disposed on the mounting portion 210 can form a light strip.
  • the connecting portion 230 is connected between the two mounting portions 210 .
  • the first part 231 , the decoupling connecting device 270 and the second part 233 are connected in sequence to form a connecting part 230
  • the connecting part 230 is connected to one mounting part 210 through the first part 231 , and is connected to another through the second part 233 A mounting part 210 .
  • the first part 231 has a structure with three parallel wires
  • the second part 233 has a structure with three parallel wires
  • the number of decoupling connection devices 270 is three.
  • connection parts 230 form three parallel complete electrical connection structures, so that the connection parts can be connected to each other.
  • the electrical signals of the mounting portion 210 on one side of the connection portion 230 are transmitted to the mounting portion 210 on the other side of the connecting portion 230 through three parallel electrical connection structures.
  • the number of parallel electrical connection structures in the connection portion 230 may be one or two or more than three, which is not specifically limited herein.
  • the number of the attachment parts 210 is five, and the number of the connection parts 230 is four.
  • the five mounting parts 210 are arranged in sequence along the length direction of the antenna radiating element 130 , and a connecting part 230 is connected between every two adjacent mounting parts 210 , so that the two farthest along the length direction of the antenna radiating element 130 can be installed. Electrical signals are transmitted between the mounting parts 210 .
  • connection part 230 transmits the electrical signal at the one side of the mounting part 210 to the other side of the installation part 210
  • the connection area between the connection part 230 and the substrate 110 can be increased, so as to avoid the connection part 230 on the substrate 110 shedding occurred.
  • the functional circuit 150 includes a first functional circuit 310 and a second functional circuit 330 , the first functional circuit 310 is provided on the first surface 170 , and the second functional circuit 330 is provided on the first surface 170 .
  • the second surface 190 , the first functional circuit 310 and the second functional circuit 330 include the connecting portion 230 and the mounting portion 210 . In this way, the applicability of the antenna assembly 100 can be improved.
  • the projections of the first functional circuit 310 and the second functional circuit 330 have overlapping regions. It can be understood that by setting the first functional circuit 310 and the second functional circuit 330, without increasing the size of the substrate 110, the antenna assembly 100 can achieve more functions (for example, more functional components 220 can be mounted), Thereby improving applicability.
  • the antenna radiating unit 130 and the first functional circuit 310 do not have an overlapping area 250 on the orthographic plane of the substrate 110 , and the antenna radiating unit 130 and the second functional circuit 330 are in the The overlapping area 250 does not exist on the orthographic plane of the substrate 110 . In this way, the coupling effect between the antenna radiation unit 130 and the functional circuit 150 can be avoided or minimized.
  • the antenna radiating unit 130 and the first functional circuit 310 are on the substrate. There is no overlapping area 250 on the orthographic projection surface of 110, which can avoid the distance between the antenna radiating element 130 and the first functional circuit 310 being too close to increase the coupling effect between the two.
  • the antenna radiating element 130 and the second functional circuit The same is true between 330. In this case, the coupling effect between the antenna radiation unit 130 and the first functional circuit 310 may be reduced, and the coupling effect between the antenna radiation unit 130 and the second functional circuit 330 may be reduced.
  • the distance between the antenna radiation unit 130 and the first functional circuit 310 on the orthographic plane of the substrate 110 is 5 mm.
  • connection part 230 of the first functional circuit 310 and the connection part 230 of the second functional circuit 330 are disposed close to the antenna radiation unit 130 . In this way, the coupling effect can be further reduced.
  • the first functional circuit 310 is disposed along the direction close to the antenna radiation unit 130 .
  • the second functional circuit 330 is provided with two decoupling connection devices 270 along the direction close to the antenna radiating unit 130 to further reduce the coupling between the connecting part 230 of the second functional circuit 330 and the antenna radiating unit 130 .
  • the first functional circuit 310 can determine whether the decoupling connection device 270 needs to be provided according to the wiring length of the connection portion 230 .
  • the first functional circuit 310 is provided with a decoupling connection device 270 along a direction close to the antenna radiating element 130 .
  • the antenna assembly 100 further includes a feeder 290 that is electrically connected to the antenna radiating unit 130 .
  • the power feeding part 290 is detachably connected with a power feeding base (not shown). In this way, the assembly, maintenance and power feeding of the antenna radiating unit 130 can be facilitated.
  • the power feeding base can be mounted on the base plate 110 by welding and be electrically connected with the power feeding part 290 .
  • the feeding part 290 is connected to the antenna radiating unit 130 , so that the antenna radiating unit 130 can transmit signals with external elements through the feeding part 290 and the feeding base, which facilitates the assembly of the antenna radiating unit 130 .
  • the antenna assembly 100 includes a protective layer (not shown).
  • the protective layer covers the antenna radiating element 130 and the connection part 230 . In this way, the antenna radiating element 130 and the connecting portion 230 can be protected.
  • the protective layer may be a transparent or opaque insulating layer, such as a protective layer formed by a resin coating.
  • the antenna assembly 100 is used in a drone 2000 .
  • the light source includes a first light source (not shown) and a second light source (not shown).
  • the lighting state of the first light source corresponds to the working state of the drone 2000 .
  • the light-emitting state of the second light source is adjustable. In this way, the current state of the UAV 2000 can be displayed by bright light, and the design requirements of users can also be met.
  • the first light source is the navigation light of the UAV 2000
  • the function circuit 150 controls the first light source to turn on and off in different states according to the working state of the UAV 2000, so as to display no Different working states of HMI 2000.
  • the first light source can keep a green light to indicate that the current working state of the drone 2000 is good; the first light source can keep a yellow light to indicate that the drone 2000 is in a low battery state; the first light source The red light can remain on to indicate that the UAV 2000 is currently in failure and needs to be repaired.
  • the first light source can be turned on and off intermittently, so that different working states of the drone 2000 can be displayed correspondingly.
  • the second light source is a marquee, which has achieved an aesthetic effect.
  • the antenna assembly 100 is configured to be mounted on at least one of an arm 410 and a tripod (not shown) of the drone 2000 . In this way, it can be ensured that the antenna assembly 100 receives a radio frequency signal of good quality.
  • the number of antenna assemblies 100 is four. Two of the antenna assemblies 100 are installed in the two arms 410 of the UAV 2000 respectively, and the other two antenna assemblies 100 are installed in the two legs of the UAV 2000 respectively. It can be understood that by installing the antenna assembly 100 in the arm 410 and/or the tripod of the drone 2000, the antenna assembly 100 can receive radio frequency signals from different directions, so that the radio frequency signal received by the drone 2000 can be prevented from having The larger attenuation affects the quality of the RF signal. In other embodiments, the number of antenna assemblies 100 may be selected according to specific conditions. The number of antenna assemblies 100 may be one or two or three or more than four.
  • the antenna assembly 100 is mounted in a stand near the nose 430 of the drone 2000 .
  • the antenna radiation unit 130 faces the side of the fuselage 450 of the UAV 2000 . As such, assembly and feeding of the antenna assembly 100 may be facilitated.
  • the antenna assembly 100 is detachably installed in the tripod, which facilitates the disassembly and assembly of the antenna assembly 100 .
  • the antenna radiating unit 130 faces the side of the fuselage 450 of the UAV 2000 , so that the antenna radiating unit 130 can feed in the direction of the fuselage 450 .
  • the antenna assembly 100 is mounted in the arm 410 in a direction away from the nose 430 of the drone 2000 .
  • the functional circuit 150 faces the underside or rear side of the drone 2000 . In this way, the functional circuit 150 can be more easily identified.
  • the functional part 220 is a light source, and when the functional circuit 150 faces the lower side or the rear side of the UAV 2000, the functional part 220 can be easily observed below or behind the UAV 2000 glowing light.
  • the UAV 2000 displays the current working state of the UAV 2000 by controlling the functional element 220 to emit light through the functional circuit 150, it is beneficial to directly determine the current state of the UAV 2000 by observing the bright light.
  • antenna assembly 100 of the embodiment of the present application can also be applied to other electronic terminals such as unmanned ships, mobile vehicles, remote controllers, robots, etc., and is not limited to drones.
  • an unmanned aerial vehicle 2000 provided by an embodiment of the present application includes a fuselage 450 , an arm 410 , a tripod, and the antenna assembly 100 described in any of the foregoing embodiments.
  • the arm 410 is connected to the body 450 and the tripod.
  • the antenna assembly 100 is mounted on at least one of the arm 410 and the stand.
  • the functional circuit 150 and the antenna radiation unit 130 are arranged on the substrate 110, and the first part 231 and the second part 233 of the interval are connected by the decoupling connecting device 270.
  • the operation of the functional circuit 150 can be ensured
  • the decoupling connection device 270 can also reduce or avoid the adverse effect of the connection portion 230 on the performance of the antenna radiating unit 130, so as to ensure that the antenna radiating unit 130 can work normally.

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  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Abstract

Ensemble antenne (1000) et véhicule aérien sans pilote (2000). L'ensemble antenne (1000) comprend un substrat (110), une unité de rayonnement d'antenne (130) et un circuit fonctionnel (150). Le substrat (110) comprend une première surface (170) et une seconde surface (190) opposées l'une par rapport à l'autre. L'unité de rayonnement d'antenne (130) est disposée sur la première surface (170). Le circuit fonctionnel (150) est disposé sur la première surface (170) et/ou la seconde surface (190). Le circuit fonctionnel (150) comprend une partie d'installation (210) et une partie de connexion (230). La partie de connexion (230) est connectée à la partie d'installation (210). La partie d'installation (210) est utilisée pour installer un composant fonctionnel. La partie de connexion (230) présente une rupture, de telle sorte que la partie de connexion (230) comprend une première partie (231) et une seconde partie (233) espacées l'une de l'autre. La première partie (231) et la seconde partie (233) sont connectées par un dispositif de connexion à découplage (270). Le dispositif de connexion à découplage (270) permet à la première partie (231) et à la seconde partie (233) d'être électriquement connectées à une fréquence de fonctionnement du circuit fonctionnel (150), et d'être déconnectées de manière équivalente à une fréquence de fonctionnement de l'unité de rayonnement d'antenne (130).
PCT/CN2020/128513 2020-11-13 2020-11-13 Ensemble antenne et véhicule aérien sans pilote WO2022099576A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080069085.2A CN114651372A (zh) 2020-11-13 2020-11-13 天线组件和无人机
PCT/CN2020/128513 WO2022099576A1 (fr) 2020-11-13 2020-11-13 Ensemble antenne et véhicule aérien sans pilote

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/128513 WO2022099576A1 (fr) 2020-11-13 2020-11-13 Ensemble antenne et véhicule aérien sans pilote

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WO2022099576A1 true WO2022099576A1 (fr) 2022-05-19

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PCT/CN2020/128513 WO2022099576A1 (fr) 2020-11-13 2020-11-13 Ensemble antenne et véhicule aérien sans pilote

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116708624A (zh) * 2023-06-13 2023-09-05 云谷（固安）科技有限公司 多功能组件、无线通信设备和显示面板

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205828650U (zh) * 2015-08-28 2016-12-21 苹果公司 电子设备
CN108895324A (zh) * 2018-07-23 2018-11-27 浙江阳光美加照明有限公司 一种柔性led灯丝条
JP2019160535A (ja) * 2018-03-13 2019-09-19 岩崎電気株式会社 アンテナ付きｌｅｄモジュール及びｌｅｄ照明装置
WO2019228859A1 (fr) * 2018-05-31 2019-12-05 Signify Holding B.V. Cartes de circuits imprimés empilées dans un dispositif d'éclairage
CN211738709U (zh) * 2020-04-27 2020-10-23 欧普照明股份有限公司 一种照明灯具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205828650U (zh) * 2015-08-28 2016-12-21 苹果公司 电子设备
JP2019160535A (ja) * 2018-03-13 2019-09-19 岩崎電気株式会社 アンテナ付きｌｅｄモジュール及びｌｅｄ照明装置
WO2019228859A1 (fr) * 2018-05-31 2019-12-05 Signify Holding B.V. Cartes de circuits imprimés empilées dans un dispositif d'éclairage
CN108895324A (zh) * 2018-07-23 2018-11-27 浙江阳光美加照明有限公司 一种柔性led灯丝条
CN211738709U (zh) * 2020-04-27 2020-10-23 欧普照明股份有限公司 一种照明灯具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116708624A (zh) * 2023-06-13 2023-09-05 云谷（固安）科技有限公司 多功能组件、无线通信设备和显示面板
CN116708624B (zh) * 2023-06-13 2024-02-20 云谷（固安）科技有限公司 多功能组件、无线通信设备和显示面板

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