WO2014081187A1 - 이동 통신 장치 - Google Patents
이동 통신 장치 Download PDFInfo
- Publication number
- WO2014081187A1 WO2014081187A1 PCT/KR2013/010559 KR2013010559W WO2014081187A1 WO 2014081187 A1 WO2014081187 A1 WO 2014081187A1 KR 2013010559 W KR2013010559 W KR 2013010559W WO 2014081187 A1 WO2014081187 A1 WO 2014081187A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- case
- communication device
- antenna element
- mobile communication
- light source
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
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- 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
- H01Q1/125—Means for positioning
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- 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
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
Definitions
- the present invention relates to a mobile communication device, for example, to an indoor mobile communication base station device or a repeater device.
- the mobile communication service using wireless communication enables communication of individual subscribers through a base station installed by a service provider.
- the mobile communication base station determines the number and location of the base stations according to the communication enabled area of the communication device. However, even if the number and location of the base stations are properly arranged, there will be a shaded area where the radio signal cannot reach. For example, some areas around a building may be shaded by tall buildings, and indoors, especially basement floors, where radio signals are difficult to reach, so if you do not install a separate base station device or repeater device, In wireless communication may not be possible.
- a mobile communication service provider provides a smooth wireless communication by installing a small base station device or a repeater device in a building interior.
- a cable for providing power should be connected from the switchboard to the communication device.
- wiring has not been made in consideration of the installation of communication devices.
- the wiring is made in consideration of the installation of the communication device inside the building, since the installation position of the communication device varies depending on the shaded area, it may not be possible to utilize the wiring already arranged. Therefore, when the communication device is installed indoors, there is a problem that the power line or the like is exposed in the state exposed to the wall or the ceiling, and there is a risk of damage and the interior aesthetics are hindered.
- the power line may be concealed and protected by using a separate molding, there is a problem that the molding operation must be further performed.
- the present invention can utilize a power line already installed while being installed indoors, and to provide a mobile communication device that can prevent damage to a power line.
- the present invention is to provide a mobile communication device that is easy to install without hindering the interior beauty.
- the present invention is to provide a mobile communication device that can improve the interior aesthetics by providing a wireless communication relay function, integrated and concealed with the indoor lighting device.
- At least one communication device portion disposed on an outer surface of the case in a direction opposite to the opening portion
- An antenna element having a radial direction to the opening
- a mobile communication device comprising at least one light source for emitting light for illumination to the opening.
- the mobile communication device may further include a power supply unit supplying power to the light source, and the power supply unit may supply power to the communication device unit.
- the communication device unit and the antenna element may be detachably provided to the case.
- the communication unit may include a power amplifier module, a digital interface module (DIM), an up down converter (UDC), a direct current converter (DC DC), and a frequency filter. Can be.
- DIM digital interface module
- UDC up down converter
- DC DC direct current converter
- the mobile communication device includes a protrusion extending from an outer surface of the case; And a receiving groove provided inward of the protrusion,
- the antenna element may be accommodated in the accommodation groove inside the case.
- the mobile communication device may further include a protrusion extending from an outer surface of the case and communicating with the inside of the case, and a support plate having the antenna element on one surface thereof.
- the support plate may be coupled to the protrusion so that the surface on which the antenna element is mounted faces the inside of the case.
- the mobile communication device may include a reflector disposed on an inner surface of the case, and the antenna element may be concealed by the reflector.
- the light source may be provided in a lattice circuit board having a plurality of openings, and the antenna element may extend through the openings and be disposed in front of the lattice circuit board.
- the mobile communication device is provided on the back of the case, the antenna case provided with the antenna element; And a radio frequency reflector installed in the antenna case to reflect radio waves emitted from the antenna element.
- the light source may be a light emitting diode (LED), and the LED may be installed in a direction of emitting light to the inside of the case.
- LED light emitting diode
- the mobile communication device may further include a diffusion cover installed in the opening, the light source is a light emitting diode (LED), and the LED may be installed toward the opening.
- a diffusion cover installed in the opening
- the light source is a light emitting diode (LED)
- the LED may be installed toward the opening.
- the mobile communication device includes a transparent cover installed in the opening; And a circuit board installed on the transparent cover, wherein the LED may be provided on the circuit board.
- the amplifier module Power Amplifier Module
- the digital interface module DIM
- the up-down converter UDC
- the direct current converter DC DC
- the frequency filter of the communication device unit It is distributedly disposed on the outer surface of the amplifier module, when provided in plural, it may be disposed in a position spaced apart from each other.
- the mobile communication device further comprises a spacer provided on the outer surface of the case,
- At least one of an amplifier module of the communication device unit, a digital interface module (DIM), an up-down converter (UDC), a direct current converter (DC DC), and a frequency filter May be coupled to face the outer surface of the case with the spacer therebetween.
- DIM digital interface module
- UDC up-down converter
- DC DC direct current converter
- the mobile communication device may further include a spacer provided on an outer surface of the case, and the power supply unit may be coupled to face the outer surface of the case with the spacer therebetween.
- the mobile communication device configured as described above has an advantage of being easily integrated with a lighting device installed in the room, without disturbing the interior aesthetics. That is, since the space and wiring for the installation of the lighting fixtures are already arranged at the time of building, the mobile communication device integrated in the lighting fixtures can share the power provided to the lighting fixtures. Therefore, there is no need for a separate construction, etc. for the power supply for the communication device, and the power line can be easily installed indoors without exposing or performing additional molding work. In addition, since the exposure of the mobile communication device is prevented and the power line is also not exposed to the outside, damage due to the external environment can be prevented, and the antenna radiation efficiency can be improved since it can be installed at a desired location indoors. In addition, since the indoor lighting fixtures are arranged to distribute the lighting evenly throughout the interior space or to provide even lighting throughout the interior space, a cell plan for proper coverage of the communication service is facilitated, thereby installing the indoor communication device. The location can be selected appropriately.
- FIG. 1 is a perspective view showing an upper surface of a mobile communication device according to an embodiment of the present invention
- FIG. 2 is a perspective view illustrating a bottom surface of the mobile communication device shown in FIG. 1;
- FIG. 3 is a plan view showing the protective cover of the mobile communication device shown in FIG.
- FIG. 4 is a view for explaining an antenna installation structure of the mobile communication device shown in FIG.
- FIG. 5 is a schematic cross-sectional view of the mobile communication device illustrated in FIG. 1;
- FIG. 6 is a cross-sectional configuration diagram showing a modification of the mobile communication device shown in FIG. 5;
- FIG. 7 is a cross-sectional configuration view showing still another modified example of the mobile communication device shown in FIG. 5;
- FIG. 8 is a perspective view showing a mobile communication device according to another embodiment of the present invention.
- FIG. 9 is a plan view showing the protective cover of the mobile communication device shown in FIG.
- FIG. 10 is a schematic cross-sectional view of the mobile communication device illustrated in FIG. 8;
- FIG. 11 is a plan view illustrating a state in which antenna elements of the mobile communication device illustrated in FIG. 10 are arranged between light sources of a lighting fixture;
- FIG. 12 is a cross-sectional configuration diagram showing a modification of the communication device shown in FIG. 10.
- the mobile communication device 102 As shown in Figures 1 to 5, the mobile communication device 102 according to the preferred embodiment of the present invention is integrated into the lighting device 101, the reference numeral '100' is a combination of the lighting device and the mobile communication device To indicate.
- the lighting device 101 includes a case 111 accommodating the light source 137 and an illumination cover 115 coupled to the case 111.
- the case 111 may have a portion, for example, a front opening portion, and the lighting cover 115 may be coupled to an opening portion of the case 111.
- the lighting cover 115 is fixed or fixed to the case 111 through a separate frame 113, or through fastening means such as screws, fixing means such as a binding lever in a state facing the case 111. It may be fixed and bound to the case 111.
- the light source 137 of the lighting apparatus 101 may be formed of a light emitting diode (LED), and may emit light for illumination through the opening of the case 111.
- LED light emitting diode
- a plurality of light emitting diodes may be arranged in the case 111 to form a surface light source, and the circuit board 131 for disposing the light emitting diodes may include the lighting cover ( 115).
- a reflection plate 135 may be installed inside the case 111 to improve lighting efficiency.
- the light source 137 is disposed such that the light exit direction of the light source 137 is toward the inside of the case 111, for example, the reflection plate 135.
- the cover 115 may be a transparent cover.
- the light source 137 not only a light emitting diode, but also any type of illumination lamp, such as a bulb type, rod type, coil type incandescent lamp or fluorescent lamp, may be used. It may also be used. According to the shape of the light source 137, the shape of the case 111 may be appropriately modified.
- the circuit board 131 includes a plurality of openings 133 so that light reflected from the reflector 135 may travel to the lighting cover 115. can do.
- the circuit board 131 may have a substantially grid shape.
- the width between the opening 133 and the opening 133 is preferably smaller so that the shadow of the circuit board 131 in a lattice form is not exposed. Therefore, the circuit board 131 may be manufactured in the form of a mesh.
- the circuit board 131 may be attached to the lighting cover 115, for example, the transparent cover.
- the reflective plate 135 is spaced apart from the inner surface of the case 111, but the reflective plate 135 may be attached to and fixed to the inner surface of the case 111.
- the light source 137 is directed toward the outside of the case 111, for example, toward the opening of the case 111 or the illumination cover 115.
- the lighting cover 115 may transmit light reflected from the reflector plate 135 or emitted from the light source 137.
- the lighting cover 115 may be made of a transparent material or a translucent material.
- the lighting cover 115 may be configured as a diffusion cover of a translucent material. For example, the glare due to light emitting of the light source 137 may be improved by using the illumination cover 115 and light may be evenly transmitted to the entire area of the illumination cover 115.
- the mobile communication device 102 includes at least one communication device unit disposed on a rear surface of the lighting device 101, more specifically, on an outer surface of the case 111 opposite to an opening of the case 111. And an antenna element 129b having a radial direction as an opening of the case.
- the communication device unit may include, for example, a power amplifier module (PAM) 121, a digital interface module (DIM), an up-down converter (UDC) integrated module 125, and an antenna element. elements 129b, a direct current converter (DC DC) 127, and circuit devices such as a frequency filter 123.
- the amplifier module 121 may be provided in plural. In this case, the plurality of amplifier modules 121 may be disposed at positions spaced apart from each other.
- the communication device unit may receive power through a power supply provided to the lighting device 101, for example, a switching mode power supply (SMPS) 119.
- the switched mode power supply 119 is a power supply for the luminaire 101, but is capable of providing power to the components of the mobile communication device 102.
- the amplifier module 121, the digital interface module and the up-down converter integration module 125, the DC power converter 127, and the frequency filter 123 are disposed adjacent to each other on the rear surface of the case 111, and separately protected. By combining the cover 128, it is concealed and protected without being exposed to the external environment.
- the antenna element 129b of the mobile communication device 102 is supplied with power through the communication circuit unit, and may be disposed inside or outside the case 111.
- the antenna element 129b may be disposed inside the case 111.
- An accommodation groove 117b formed in the case 111 may accommodate the antenna element 129b.
- the reflective plate 135 may be disposed between the accommodation groove 117b and the light source 127 to conceal the accommodation groove 117b and the antenna element 129b.
- the case 111 is formed with a protrusion 117a which protrudes from an outer surface and communicates with the inside of the case 111, and the receiving groove is formed inside the protrusion 117a on the case 111.
- 117b is formed.
- the receiving groove 117b may be opened to the inner side and the rear side of the case 111, respectively. Referring to FIG. 5, at the rear surface of the case 111, the receiving groove 117b is closed by the support plate 129a on which the antenna element 129b is disposed, and the reflecting plate inside the case 111.
- the accommodation groove 117b may be concealed or closed by the 135.
- the support plate 129a may be used as a radio frequency reflector for radio waves transmitted and received by the antenna element 129b while providing a means for mounting the antenna element 129b to the case 111. Can be.
- the support plate 129a is coupled to the protrusion 117a so that the antenna element 129b faces the inside of the case 111.
- the mobile communication device 102 specifically, the communication circuit unit and the antenna element 129b may be provided in a removable structure on the back of the case 111.
- 6 illustrates a configuration in which the mobile communication device 102 and the switching mode power supply 119 are detachably provided to the case 111.
- the mobile communication device 102 may be provided with an antenna case 117c corresponding to the protrusion 117a of the preceding embodiment.
- spacers 141 may be disposed on an outer surface of the case 111.
- the spacers 141 may secure a predetermined interval between the mobile communication device 102 and the case 111 and between the switching mode power supply 119 and the case 111, respectively.
- the mobile communication device 102 and the switch mode power supply 119 are coupled to face the outer surface of the case 111 with the spacers 141 interposed therebetween.
- heat transfer to the case 111 can be suppressed while smoothly dissipating heat generated from the mobile communication device 102 and the switched mode power supply 119.
- the amplifier module 121 and the like constituting the communication circuit unit may be evenly distributed on the outer surface of the case 111.
- the antenna case 117c may be detachably provided to the case 111 while accommodating the antenna element 129b.
- the support plate 129a of the previous embodiment is not necessarily required, but a radio wave reflector reflecting the radio waves radiated from the antenna element 129b may be provided inside the antenna case.
- the mobile communication device 102 is detachably configured to the case 111, it is easy to install the mobile communication device 102 in place.
- the mobile communication device 102 may be coupled to the case 111 to expand the communication relay facility as needed to improve the wireless communication environment. .
- the configuration of the embodiment illustrated in FIG. 5 illustrates a structure of an indirect illumination system in which light emitted from the light source 137 is reflected by the reflector 135.
- the present invention is not limited thereto.
- the present invention may be implemented in a structure of a direct illumination method in which light emitted from the light source 137 is directly transmitted through the illumination cover 115.
- This configuration is shown in FIG.
- the reflector 135 of the previous embodiment does not necessarily need to be installed.
- a screen or the like for concealing the accommodation groove 117b may be installed in the case 111.
- the illumination cover 115 may be made of a translucent material may serve as a diffusion cover.
- FIG. 8 and 9 illustrate an assembly 200 in which a mobile communication device 102 according to another preferred embodiment of the present invention is integrated into a lighting fixture 201.
- the mobile communication device 102 according to the present embodiment is disposed inside the case 211 without forming a separate accommodation groove in arranging the antenna element 129b in the luminaire 201 of the direct illumination method. 1 to 5 is different from the communication device of the embodiment shown in FIG.
- the arrangement of the amplifier module, the digital interface module, the up-down converter, the DC power converter, the frequency filter, and the switching mode power supply may be slightly different on the rear surface of the luminaire. Will understand. Therefore, in describing the present embodiment in detail, it is noted that a detailed description of the configuration can be easily understood through the preceding embodiment.
- the same reference numerals or the same reference numerals may be omitted for components that are the same as or easily understood in the preceding embodiments.
- the antenna element 129b is disposed inside the case 211.
- the antenna element 129b may be in the form of a partially bent wire.
- the circuit board 131 on which the light sources 137 are arranged may be disposed at a position spaced apart from an inner side surface of the case 211.
- the antenna element 129b may be located between the circuit board 131 and the inner surface of the case 211. Therefore, the antenna element 129b is disposed inside the case 211 at a position away from the path through which the light emitted from the light sources 137 travels, so that the antenna element 129b may be used to provide illumination. The shadow will not be visible to the outside.
- the antenna element 129b having a wire shape may be disposed between the light sources 137 on the front surface of the circuit board 131.
- 10 and 11 illustrate a configuration in which the antenna element 129b in the form of a wire is disposed on the front surface of the light sources 137 in a luminaire of a direct illumination method.
- the circuit board 131 is in the form of a lattice, preferably a mesh, and the antenna element 129b opens the circuit board 131 through one of the openings 133. It can extend through.
- the antenna element 129b may be bent in front of the circuit board 131 so that at least a portion of the antenna element 129b may be positioned between the circuit board 131 and the lighting cover 115.
- a portion of the antenna element 129b is preferably disposed between the circuit board 131 and the lighting cover 115 and between the light sources 137.
- Such communication devices may be provided detachably or integrated into a luminaire.
- the power of the communication devices can be supplied through the power supply of the lighting fixture, no separate wiring for power supply is required.
- the lighting fixture is installed between wall or ceiling finishes in the room, it is possible to separate some finishing materials around the lighting fixture and install a communication device inside the ceiling at the wall or ceiling where the lighting fixture is installed.
- FIG. 12 is a cross-sectional view illustrating a modified example of the communication device illustrated in FIG. 10, in which the communication device is integrated into a luminaire that is similar in structure to FIG. 10 and provides illumination through an indirect lighting method, for example, the reflector 135.
- the circuit board 131 on which the light sources 137 are disposed is disposed to face the reflecting plate 135 positioned inside the case 111, and the antenna element 129b is disposed on the circuit board 131.
- the reflective plate 135 may be extended and disposed.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (15)
- 일부분이 개방된 개방부를 가지고, 나머지가 폐쇄된 케이스와,상기 개방부와 대향 방향으로 상기 케이스의 외면에 배치되는 적어도 하나의 통신 장치부와,상기 개방부로 방사 방향을 갖는 안테나 소자와,상기 개방부로 조명을 위한 광을 출사하는 적어도 하나의 광원을 포함하는 이동 통신 장치.
- 제1 항에 있어서,상기 광원에 전원을 공급하는 전원 공급부를 더 포함하고,상기 전원 공급부는 상기 통신 장치부의 전원을 공급하는 이동 통신 장치.
- 제1 항에 있어서, 상기 통신 장치부 및 안테나 소자는 상기 케이스에 착탈 가능하게 제공되는 이동 통신 장치.
- 제1 항에 있어서, 상기 통신 장치부는 증폭기 모듈(Power Amplifier Module), 디지털 인터페이스 모듈(Digital Interface Module; DIM), 업다운 컨버터(Up Down Converter; UDC), 직류 전원 컨버터(Direct Current Converter; DC DC), 주파수 필터를 포함하는 이동 통신 장치.
- 제1 항에 있어서,상기 케이스의 외면으로부터 연장되어 돌출된 돌출부; 및상기 돌출부의 내측으로 마련되는 수용홈을 더 포함하고,상기 안테나 소자는 상기 케이스 내부에서 상기 수용홈에 수용되는 이동 통신 장치.
- 제1 항에 있어서,상기 케이스의 외면으로부터 연장되어 돌출되고 상기 케이스의 내부와 연통되는 돌출부와,일면에 상기 안테나 소자가 구비된 지지판을 더 구비하고,상기 지지판은, 상기 안테나 소자가 장착된 면이 상기 케이스의 내부를 향하도록 상기 돌출부와 결합된 이동 통신 장치.
- 제5 항 또는 제6 항에 있어서,상기 케이스의 내측면에 배치되는 반사판을 포함하고,상기 반사판에 의해 상기 안테나 소자가 은폐되는 이동 통신 장치.
- 제1 항에 있어서,상기 광원은 다수의 개구들이 형성된 격자형 회로 기판에 구비되고,상기 안테나 소자는 상기 개구들을 통해 연장되어 상기 격자형 회로 기판의 전면으로 배치된 이동 통신 장치.
- 제1 항에 있어서,상기 케이스의 배면에 설치되고, 상기 안테나 소자가 구비된 안테나 케이스; 및상기 안테나 케이스에 설치되어 상기 안테나 소자에서 방사되는 전파를 반사하는 전파 반사기(radio frequency reflector)를 더 포함하는 이동 통신 장치.
- 제1 항에 있어서, 상기 광원은 발광 다이오드(light emitting diode; LED) 이고, 상기 LED는 상기 케이스의 내측으로 출광하는 방향으로 설치된 이동 통신 장치.
- 제1 항에 있어서,상기 개방부에 설치되는 확산 커버를 더 구비하고,상기 광원은 발광 다이오드(light emitting diode; LED) 이고, 상기 LED는 상기 개방부를 향하게 설치된 이동 통신 장치.
- 제10 항에 있어서,상기 개방부에 설치된 투명 커버; 및상기 투명 커버에 설치된 회로 기판을 더 구비하고,상기 LED는 상기 회로 기판에 구비된 이동 통신 장치.
- 제4 항에 있어서, 상기 통신 장치부의 증폭기 모듈(Power Amplifier Module), 디지털 인터페이스 모듈(Digital Interface Module; DIM), 업다운 컨버터(Up Down Converter; UDC), 직류 전원 컨버터(Direct Current Converter; DC DC), 주파수 필터는 상기 케이스의 외면에 분산 배치되고,상기 증폭기 모듈이 복수로 제공된 경우, 서로 이격된 위치에 배치된 이동 통신 장치.
- 제4 항에 있어서,상기 케이스의 외면에 제공된 스페이서를 더 구비하고,상기 통신 장치부의 증폭기 모듈(Power Amplifier Module), 디지털 인터페이스 모듈(Digital Interface Module; DIM), 업다운 컨버터(Up Down Converter; UDC), 직류 전원 컨버터(Direct Current Converter; DC DC), 주파수 필터 중 적어도 하나가 상기 스페이서를 사이에 두고 상기 케이스의 외면에 마주보게 결합하는 이동 통신 장치.
- 제2 항에 있어서,상기 케이스의 외면에 제공된 스페이서를 더 구비하고,상기 전원 공급부는 상기 스페이서를 사이에 두고 상기 케이스의 외면에 마주보게 결합하는 이동 통신 장치.
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KR1020157014015A KR102058065B1 (ko) | 2012-11-20 | 2013-11-20 | 이동 통신 장치 |
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KR20120131342 | 2012-11-20 | ||
KR10-2012-0131342 | 2012-11-20 |
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Cited By (1)
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WO2018077953A1 (de) * | 2016-10-31 | 2018-05-03 | Zumtobel Lighting Gmbh | Leuchte |
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JPH0897780A (ja) * | 1994-09-26 | 1996-04-12 | Matsushita Electric Works Ltd | 光中継器 |
JP2003016831A (ja) * | 2001-06-29 | 2003-01-17 | Hittsu Kenkyusho:Kk | 通信機能モジュール |
KR100675196B1 (ko) * | 2005-08-11 | 2007-01-29 | 주식회사 케이티프리텔 | 안테나 |
JP2009141766A (ja) * | 2007-12-07 | 2009-06-25 | Nakagawa Kenkyusho:Kk | 通信機能を有する照明器具 |
KR20100098230A (ko) * | 2009-02-27 | 2010-09-06 | 주식회사 케이엠더블유 | 조명기능을 갖는 이동통신 시스템용 안테나 |
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JP4366276B2 (ja) * | 2004-09-10 | 2009-11-18 | 三菱電機株式会社 | 照明器具 |
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- 2013-11-20 KR KR1020157014015A patent/KR102058065B1/ko active IP Right Grant
- 2013-11-20 WO PCT/KR2013/010559 patent/WO2014081187A1/ko active Application Filing
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JPH0897780A (ja) * | 1994-09-26 | 1996-04-12 | Matsushita Electric Works Ltd | 光中継器 |
JP2003016831A (ja) * | 2001-06-29 | 2003-01-17 | Hittsu Kenkyusho:Kk | 通信機能モジュール |
KR100675196B1 (ko) * | 2005-08-11 | 2007-01-29 | 주식회사 케이티프리텔 | 안테나 |
JP2009141766A (ja) * | 2007-12-07 | 2009-06-25 | Nakagawa Kenkyusho:Kk | 通信機能を有する照明器具 |
KR20100098230A (ko) * | 2009-02-27 | 2010-09-06 | 주식회사 케이엠더블유 | 조명기능을 갖는 이동통신 시스템용 안테나 |
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WO2018077953A1 (de) * | 2016-10-31 | 2018-05-03 | Zumtobel Lighting Gmbh | Leuchte |
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KR20150087250A (ko) | 2015-07-29 |
KR102058065B1 (ko) | 2019-12-20 |
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