[go: up one dir, main page]

WO2019078631A1 - Système d'éclairage intelligent - Google Patents

Système d'éclairage intelligent Download PDF

Info

Publication number
WO2019078631A1
WO2019078631A1 PCT/KR2018/012312 KR2018012312W WO2019078631A1 WO 2019078631 A1 WO2019078631 A1 WO 2019078631A1 KR 2018012312 W KR2018012312 W KR 2018012312W WO 2019078631 A1 WO2019078631 A1 WO 2019078631A1
Authority
WO
WIPO (PCT)
Prior art keywords
lighting
module
illumination
smart
information
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/KR2018/012312
Other languages
English (en)
Korean (ko)
Inventor
박상권
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2019078631A1 publication Critical patent/WO2019078631A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/175Controlling the light source by remote control
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • H05B47/11Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/16Controlling the light source by timing means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/17Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • lighting such as fluorescent lamps, incandescent lamps, and LEDs is installed in homes, offices, and buildings to brighten the room.
  • Patent Document 10-2015-0063648 (published on May 10, 2015) " LED illumination system and control method thereof"
  • the smart lighting device in the smart lighting system according to the present invention, includes a plurality of lighting modules for emitting light, And a lighting number adjusting module for selecting a lighting module to be turned on by adjusting the number of lighting modules turned on according to the maximum illuminance received by the target illuminance receiving module .
  • the smart switch in a smart lighting system according to the present invention, includes an operation unit operated by a user to adjust operation information relating to illumination, A light switch for controlling the lighting and lighting, a target illuminance adjusting switch for adjusting the maximum illuminance, a lighting level adjusting switch for adjusting the number of lighting levels, a lighting level adjusting switch for adjusting the number of lighting levels, And a time adjustment switch.
  • the holding time adjusting module includes a lighting holding time setting module for setting a lighting holding time for each step in the lighting step, And a light-off hold time setting module for setting a light-off hold time of each step.
  • the lighting control apparatus includes a mode adjusting section for setting a manual or automatic adjustment of smart lighting apparatus operation according to the operation of the smart switch
  • the mode adjusting unit may include an automatic mode information storing module for storing the automatic adjusting operation when the operation of the automatic adjusting is selected in the smart switch, And a manual mode automatic switching module for automatically switching to a manual control mode when information to be controlled by the controller is received.
  • a smart lighting system includes a user terminal for remotely controlling the operation of a smart lighting device, and the lighting control device detects the lifetime of each of the plurality of lighting modules And a lifespan sensing unit for transmitting information on lifetime of each lighting module to a user terminal according to a request of the user terminal.
  • the smart lighting apparatus includes an illuminance measurement unit formed on each of a plurality of illumination modules to measure illuminance of each illumination module, An illuminance information request module for requesting the illuminance information of the illumination module that is illuminated in the illuminance measurement unit when the illumination information is received; A module-specific illuminance information receiving module for receiving the illuminance information of each of the plurality of illuminating modules, and an illuminance information calculating module for calculating a life of each of the illuminating modules by comparing the illuminance information of each of the illuminating modules, And a module.
  • the life detecting unit may include a replacement detecting unit for notifying replacement of the user terminal when the lifetime calculated by the module- And a notification module.
  • the lighting number adjusting module adjusts the lighting number in consideration of the remaining life of each lighting module sensed by the life sensing unit do.
  • the target illuminance adjustment module may include a lifetime star point lamp for selecting a lighting module having a long remaining life in selecting the lighting illumination by the lighting number control module And a lighting control module.
  • a smart lighting system comprises a user terminal for controlling the operation of a smart lighting device remotely, the user terminal setting information about the operation of a plurality of smart lighting devices
  • the overall illumination setting section includes an operation illumination selection module for selecting an illumination device to be operated, an operation sequence designation module for designating an order in which the selected illumination device is to be turned on or off, Wherein the plurality of illumination devices are automatically turned on or off according to the set information.
  • the total illumination setting unit may include a maximum illuminance, a number of lit or unlit stages for each illuminating device selected by the operating illumination selecting module, An individual illumination setting module for setting a holding time, and a setting information storage module for storing information set by the individual illumination setting module.
  • the present invention can obtain the following effects by the above-described embodiment, the constitution described below, the combination, and the use relationship.
  • the present invention can freely set the maximum illuminance of the smart illuminating device, the number of steps of turning on and off, setting the holding time for each step, and setting the maximum illuminance of each illuminating device according to the position of the illuminating device, ,
  • the user's glare and darkness are prevented, the user's convenience is improved, and the energy consumption is also reduced.
  • the present invention has the effect of easily adjusting the operation by separately configuring the target illuminance adjustment switch, the lighting step adjustment switch, the light adjustment step adjustment switch, and the holding time adjustment switch.
  • the present invention has the effect of increasing the convenience of the user by automatically adjusting the number of steps to be turned on or off according to the target illuminance.
  • the maximum illuminance of the illumination device, the number of lighting and extinction steps, and the automatic mode in which the step-by-step holding time is automatically controlled can be included according to the illuminance, It is effective.
  • the lighting module having a long remaining life is preferentially selected, so that it is possible to uniformly use the plurality of lighting modules.
  • the present invention has an effect of enabling a plurality of lighting apparatuses to be controlled according to a user's motion by setting operation lights, an operation order, and an operation interval for a plurality of illumination apparatuses.
  • FIG. 1 is a block diagram of a smart lighting system according to an embodiment of the present invention.
  • FIG. 5 is a block diagram showing the configuration of the life sensing unit of FIG. 2;
  • Figure 6 is a front view of the smart lighting device of Figure 1;
  • Fig. 7 is a block diagram showing the configuration of the smart lighting device of Fig. 1
  • FIG. 8 is a reference diagram showing an example of lighting of the smart illumination device of FIG.
  • FIG. 9 is a side view of the smart switch of Fig.
  • Fig. 10 is a block diagram showing the configuration of the ID setting unit of Fig. 9
  • FIG. 11 is a block diagram showing a configuration of the user terminal of FIG.
  • FIG. 12 is a block diagram showing the configuration of the adjustment information setting unit of FIG.
  • FIG. 16 is a block diagram showing the configuration of the holding time setting module of Fig.
  • Operation part 511 Power switch 512: Light switch
  • Adjustment switch 514 Mode switch
  • control unit 53 communication unit 54: power supply unit 55: ID setting unit
  • mode setting unit 714 life verification unit 73: entire lighting setting unit
  • Lighting control unit 751 Individual lighting control unit 752:
  • the smart lighting system includes a smart lighting device 3 installed on a ceiling or the like and emitting light according to the supply of electricity; A lighting control device (1) for controlling the operation of said smart lighting device (3); A smart switch 5 for transmitting an operation signal of the smart lighting device 3 to the lighting control device 1 according to a user's operation; And a user terminal (7) for controlling the operation of the smart lighting device (3) remotely.
  • the smart lighting system can freely set the number of steps of lighting up or turning off the maximum illumination and the maximum illumination of the lighting apparatus and the holding time of each step, Operation can be performed, or operation can be performed through a user terminal 7 such as a smart phone or a computer, thereby enabling easy setting. Therefore, the user can set a desired maximum illuminance (hereinafter, referred to as 'target illuminance') according to the lighting time, the installation place of the lighting apparatus, etc., thereby saving energy and adjusting the comfortable illuminance to the user's eyes.
  • 'target illuminance' a desired maximum illuminance
  • the present invention enables the illumination of the smart illumination device 3 to be measured so that the target illuminance, the number of lighting and extinction stages of the smart illumination device 3, and the holding time of each step are automatically adjusted according to illumination,
  • the convenience of the user can be enhanced and the illuminance of each illumination module 31 of each smart illumination device 3 can be measured to calculate the life of each illumination module 31 and enable effective control and management accordingly .
  • the lighting control device 1 controls the operation of the smart lighting device 3 and receives and stores operational information about the smart lighting device 3 transmitted by the smart switch 5 or the user terminal 7 And may be fixedly attached to a ceiling or the like together with the smart lighting device 3.
  • the lighting control device 1 receives and stores information on the target illuminance, the number of lit and unlit stages of the smart lighting device 3, the step-by-step holding time, and thereby activates the smart lighting device 3,
  • the automatic operation of the smart illumination device 3 according to the illuminance can be performed and the lifetime of each of the plurality of illumination modules 31 is calculated and stored and the information related thereto is transmitted to the user terminal 7.
  • the illumination control apparatus 1 includes an illumination control section 11 for controlling the operation of the smart illumination apparatus 3, an automatic control section 11 for automatically controlling the smart illumination apparatus 3, A communication unit 15 for communicating with the smart switch 5 or the user terminal 7, a power supply unit 15 for supplying power to the smart switch 5 or the user terminal 7, A power supply unit 16 for supplying power, and an ID setting unit 17 for setting an ID.
  • the lighting control part 11 receives and stores operational information on the smart lighting device 3 and thereby regulates the operation of the smart lighting device 3, 7 to store operation information.
  • the illumination controller 11 includes a target illuminance adjustment module 111 for adjusting the target illuminance, a number-of-steps adjustment module 112 for adjusting the number of lighting and off-lighting steps, A control information storage module 114 for storing the set information, and an illumination operation module 115 for operating the smart illumination device 3 according to the set information.
  • the target illuminance adjustment module 111 includes a target illuminance reception module 111a for receiving information on the target illuminance, a lighting number adjustment module 111b for adjusting the lighting number of the illumination module 31 according to the target illuminance, And an illumination control module 111c such as a lifetime starter that adjusts the lighting module 31 according to its lifetime.
  • the target illuminance receiving module 111a receives the information about the target illuminance from the smart switch 5 or the user terminal 7 and measures the degree of illuminance by 20%, 40%, 60%, 80%, 100 %, And the like, so that the target illuminance can be set. However, the target illuminance can be set in various stages without being limited thereto.
  • the target illuminance receiving module 111a receives target illuminance information and transmits the target illuminance information to the lighting number adjusting module 111b to determine the lighting module 31 to be turned on.
  • the lighting number control module 111b is configured to determine the number of lighting modules 31 that are turned on according to the target illuminance information received by the target illuminance reception module 111a and includes a lighting module 31) are determined and determined.
  • the smart illumination device 3 is formed of a plurality of illumination modules 31 and emits light. By allowing the illumination module 31 according to the target illumination to be selected and operated, the target illuminance can be easily and accurately generated So that the configuration of the apparatus can be simplified.
  • the lighting number control module 111b may be turned on in balance with the lighting modules 31 that are turned on according to the target illuminance as shown in FIG. 8, and the selection of the lighting module 31, But can be made variously.
  • the lighting number adjustment module 111b may control the number of lighting modules 31 that are turned on according to the lifetime of each lighting module 31 calculated by the lifetime sensing unit 14. [ In other words, the lighting number adjustment module 111b can calculate the number of the lighting modules 31 that can adjust the target illuminance in consideration of the decrease in illuminance as the lifetime of each lighting module 31 decreases, In the case where the lifespan decreases so as not to meet the target illuminance, the number of the lighting modules 31 to be illuminated is increased so that the target illuminance can be adjusted.
  • the lighting number control module 111b determines the lighting modules 31 to be turned on according to the number of lights to be illuminated and controls the lighting modules 31 calculated by the lighting control module 111c, It is possible to select the lighting module 31 which is turned on according to the lifetime of the lighting module 31.
  • the illumination adjustment module 111c such as the lifetime rating module is configured to select the illumination module 31 to be lit according to the remaining service life of each illumination module 31.
  • the illumination module 31 has a remaining life .
  • the lighting number adjusting module 111b determines the lighting number of the lighting module 31 according to the target illuminance and turns on the lighting module 31c. The remaining lighting modules 31 So that the lighting module 31 can be used evenly.
  • the number-of-steps adjusting module 112 is configured to adjust the number of steps in which the lighting switch is turned on and off.
  • the lighting switch 513b Is adjusted according to the setting by the number-of-steps setting module 712b, which will be described later. For example, when the target illuminance is set to 60% and the number of lighting steps is set to 3, the number-of-steps adjusting module 112 adjusts the illuminance of the smart lighting device 3 from 20% to 40% to 60% If the number of light extinction steps is similarly set to 3, it can be turned off in three steps from 60% to 40% ⁇ 20% ⁇ 0%.
  • the step number adjustment module 112 may increase the number of steps when the target illuminance is high and decrease the number of steps when the ambient illuminance is low so as to prevent darkness or glare due to sudden darkening or brightening, So as to be set to the most suitable number of steps.
  • the number-of-steps adjusting module 112 includes a lighting step number adjusting module 112a for adjusting the number of lighting steps and a lighting number adjusting module 112b for adjusting the number of lighting steps, Respectively.
  • the holding time adjusting module 113 is configured to adjust the holding time for each step of the turning on and off steps adjusted by the step number adjusting module 112.
  • the holding time adjusting module 113 includes a holding time adjusting switch 513d Or the information set by the holding time setting module 712c of the user terminal 7.
  • the retention time adjustment module 113 can be adjusted mainly depending on the position of the smart illumination device 3, and preferably the retention time can be set in a range of 1 to 5 seconds. For example, if the target illuminates at 60% of the 3-step and 3-second retention times, it will stay at 3% for 20% and 40% To be turned on.
  • the holding time adjusting module 113 can be used mainly when moving in a certain space, such as when going to bed or going out.
  • the automatic adjustment unit 12 receives information on illuminance from the illuminance measurement unit 32 and can receive illuminance information from any one of a plurality of illuminance sensor modules 321 to be described later,
  • the sensor module 321 may be formed to receive illumination information.
  • the automatic adjustment unit 12 includes an operation start module 121, an illumination information request module 122, an illumination information reception module 123, a target illuminance adjustment module 124, (125), and a retention time adjustment module (126).

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

La présente invention concerne un système d'éclairage intelligent et, plus précisément, un système d'éclairage intelligent qui permet un réglage libre de l'éclairage maximal, du nombre de niveaux de luminosité et du nombre de niveaux d'obscurité, et du temps de maintenance de chaque niveau de l'appareil d'éclairage intelligent, en fonction de la position de l'appareil d'éclairage intelligent et du temps de fonctionnement de l'appareil d'éclairage intelligent, et ainsi qui permet d'éviter qu'un utilisateur ne soit aveuglé ou plongé dans l'obscurité, d'améliorer le confort d'utilisation et de réduire la quantité d'utilisation d'énergie.
PCT/KR2018/012312 2017-10-20 2018-10-18 Système d'éclairage intelligent Ceased WO2019078631A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0136307 2017-10-20
KR1020170136307A KR102091537B1 (ko) 2017-10-20 2017-10-20 스마트 조명 시스템

Publications (1)

Publication Number Publication Date
WO2019078631A1 true WO2019078631A1 (fr) 2019-04-25

Family

ID=66174185

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/012312 Ceased WO2019078631A1 (fr) 2017-10-20 2018-10-18 Système d'éclairage intelligent

Country Status (2)

Country Link
KR (1) KR102091537B1 (fr)
WO (1) WO2019078631A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113627039A (zh) * 2021-10-11 2021-11-09 广州中大中鸣科技有限公司 一种灯光照明系统能耗的预测方法、装置及存储介质

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102312458B1 (ko) * 2019-10-30 2021-10-13 제주대학교 산학협력단 외부 조도 감지 및 수명 평준화 조명기기
KR20210154629A (ko) 2020-06-12 2021-12-21 이현성 조명과 어플리케이션을 통한 수면 관리 서비스
KR20220046947A (ko) * 2020-10-08 2022-04-15 삼성전자주식회사 전자 장치 및 그 제어 방법
KR102482254B1 (ko) * 2021-01-25 2022-12-28 오세진 안전을 위한 조명제어장치
KR102787711B1 (ko) * 2022-06-16 2025-03-27 디엘이앤씨 주식회사 스마트 조명 제어 시스템 및 이의 동작 방법
KR102673449B1 (ko) * 2022-07-29 2024-06-10 주식회사 케이비글로벌 조도의 이중 조절이 가능한 자동 디밍 조명장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010072571A (ja) * 2008-09-22 2010-04-02 Orc Mfg Co Ltd 放電ランプを備えた照明装置および照明方法
KR20120036645A (ko) * 2010-10-08 2012-04-18 엘지이노텍 주식회사 수명 측정 시스템이 포함된 led조명
KR101308565B1 (ko) * 2013-07-16 2013-09-13 엘이디라이팅 주식회사 출력 밝기 설정이 가능한 엘이디 조명 제어 방법
KR20150115459A (ko) * 2014-04-04 2015-10-14 백승준 자연 수면 클리닉 프로그램 조명장치 및 그 제어방법
KR20170041619A (ko) * 2016-09-05 2017-04-17 이창선 발향조절 및 자동 소등기능을 갖는 캔들워머

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010072571A (ja) * 2008-09-22 2010-04-02 Orc Mfg Co Ltd 放電ランプを備えた照明装置および照明方法
KR20120036645A (ko) * 2010-10-08 2012-04-18 엘지이노텍 주식회사 수명 측정 시스템이 포함된 led조명
KR101308565B1 (ko) * 2013-07-16 2013-09-13 엘이디라이팅 주식회사 출력 밝기 설정이 가능한 엘이디 조명 제어 방법
KR20150115459A (ko) * 2014-04-04 2015-10-14 백승준 자연 수면 클리닉 프로그램 조명장치 및 그 제어방법
KR20170041619A (ko) * 2016-09-05 2017-04-17 이창선 발향조절 및 자동 소등기능을 갖는 캔들워머

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113627039A (zh) * 2021-10-11 2021-11-09 广州中大中鸣科技有限公司 一种灯光照明系统能耗的预测方法、装置及存储介质
CN113627039B (zh) * 2021-10-11 2022-02-22 广州中大中鸣科技有限公司 一种灯光照明系统能耗的预测方法、装置及存储介质

Also Published As

Publication number Publication date
KR102091537B1 (ko) 2020-03-20
KR20190044198A (ko) 2019-04-30

Similar Documents

Publication Publication Date Title
WO2019078631A1 (fr) Système d'éclairage intelligent
JP5662067B2 (ja) 照明制御システム及びそれに用いられる制御ユニット
WO2009136691A2 (fr) Système d’éclairage par del alimenté en courant alternatif
WO2011053089A2 (fr) Appareil de commande d'éclairage
JP2014060162A (ja) 照明装置
US10349496B2 (en) Lighting control system and lighting control device used therefor
WO2013105732A1 (fr) Appareil de commande et procédé pour allumer ou éteindre automatiquement un lampadaire
WO2016028004A1 (fr) Appareil de commande d'éclairage et procédé de commande d'éclairage associé
JP2010080102A (ja) 照明制御システム
WO2009104938A2 (fr) Dispositif, système et procédé de commande de lampe d'éclairage
JP6207338B2 (ja) 照明制御装置及び照明制御システム
WO2015065108A1 (fr) Dispositif d'éclairage intelligent par del
WO2015034127A1 (fr) Système de commande d'un dispositif d'éclairage s'adaptant à la lumière
JPH10302538A (ja) 照明制御システム
WO2017195986A1 (fr) Procédé de commande de lampadaire public et appareil de commande l'utilisant
JP6057220B2 (ja) 照明制御システム及びそれに用いられる制御ユニット
JP6559216B2 (ja) 無線通信用アダプタ付きコントローラ
JP5870310B2 (ja) 照明制御システム及びそれに用いられる制御ユニット
KR20180094761A (ko) 조명그룹의 이상 감지 시스템
WO2019093557A1 (fr) Support de plaque de guidage de lumière
WO2011019241A2 (fr) Dispositif de commande de température de couleur pour l'éclairage d'un tunnel et appareil d'éclairage de tunnel pour régler une température de couleur
JP2011253716A (ja) 照明制御装置及び画像処理装置
JP6245934B2 (ja) 照明制御装置及び照明制御システム
JP3788099B2 (ja) 照明システム
JP2005085588A (ja) 調光制御システム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18867607

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18867607

Country of ref document: EP

Kind code of ref document: A1