WO2023090523A1 - Souris sans fil - Google Patents

Souris sans fil Download PDF

Info

Publication number
WO2023090523A1
WO2023090523A1 PCT/KR2021/018895 KR2021018895W WO2023090523A1 WO 2023090523 A1 WO2023090523 A1 WO 2023090523A1 KR 2021018895 W KR2021018895 W KR 2021018895W WO 2023090523 A1 WO2023090523 A1 WO 2023090523A1
Authority
WO
WIPO (PCT)
Prior art keywords
button
mouse
computing device
mode
handheld computing
Prior art date
Application number
PCT/KR2021/018895
Other languages
English (en)
Korean (ko)
Inventor
신상민
Original Assignee
신상민
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 신상민 filed Critical 신상민
Publication of WO2023090523A1 publication Critical patent/WO2023090523A1/fr

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03543Mice or pucks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038Indexing scheme relating to G06F3/038
    • G06F2203/0384Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices

Definitions

  • the present invention relates to a wireless mouse, and more particularly, to a wireless mouse including a magnetic attachment mechanism that is detachably attached to a handheld computing device without a locking device and external intervention.
  • a mechanism for conveniently attaching and carrying a mouse while maintaining the portability of a handheld computing device is required.
  • An object of the present invention is to provide a wireless mouse including a locking device and a self-attaching mechanism detachably attached to a handheld computing device without external intervention.
  • a technical problem to be achieved by the present invention is to provide a wireless mouse that can be more easily carried by being attached to a handheld computing device in a detachable form.
  • a technical problem to be achieved by the present invention is to provide a wireless mouse that controls power supply by operating a mounting mechanism for mounting a handheld computing device.
  • a technical problem to be achieved by the present invention is to provide a wireless mouse in which automatic mode switching is performed according to wireless connection and handheld computing device conditions.
  • the mouse body having an internal space; a power unit disposed on the mouse body and supplying operation power according to the operation of the power button; a button unit disposed on the mouse body, having one or more input buttons, receiving operating power from the power supply unit and outputting a button output signal corresponding to an operation of the input button; a position sensor disposed on the mouse body and detecting and outputting a moving distance and direction; a communication unit disposed on the mouse body, receiving a button output signal of the button unit and a detection signal of the position sensing unit, converting the signal into a wireless signal recognizable by the handheld computing device, and transmitting the signal to the handheld computing device; It is disposed on the upper end of the mouse body and is made of metal to be attached to the contact surface by a magnetic force with the magnetic element to provide an attachment force to the contact surface in the magnetic region of the handheld computing device including a magnetic element, A contact portion formed
  • the mouse body having an internal space; a power unit disposed on the mouse body and supplying operation power according to the operation of the power button; a button unit disposed on the mouse body, having one or more input buttons, receiving operating power from the power supply unit and outputting a button output signal corresponding to an operation of the input button; a position sensor disposed on the mouse body and detecting and outputting a moving distance and direction; a communication unit disposed on the mouse body, receiving a button output signal of the button unit and a detection signal of the position sensing unit, converting the signal into a wireless signal recognizable by the handheld computing device, and transmitting the signal to the handheld computing device; It is disposed on the upper end of the mouse body and is made of metal to be attached to the contact surface by a magnetic force with the magnetic element to provide an attachment force to the contact surface in the magnetic region of the handheld computing device including a magnetic element, A contact portion
  • a wireless mouse connected to and operating wirelessly with a handheld computing device, comprising: a mouse body having an internal space; a power unit disposed on the mouse body and supplying operation power according to the operation of the power button; a button unit disposed on the mouse body, having one or more input buttons, receiving operating power from the power supply unit and outputting a button output signal corresponding to an operation of the input button; a position sensor disposed on the mouse body and detecting and outputting a moving distance and direction; a communication unit disposed on the mouse body, receiving a button output signal of the button unit and a detection signal of the position sensing unit, converting the signal into a wireless signal recognizable by the handheld computing device, and transmitting the signal to the handheld computing device; and a mounting portion disposed on the other part of the mouse body, rotating to hold the handheld computing device, and controlling an operation of the power supply by manipulating the power button during the rotating operation.
  • a wireless mouse connected to and operating wirelessly with a handheld computing device, comprising: a mouse body having an internal space; a power unit disposed on the mouse body and supplying operation power according to the operation of the power button; a button unit disposed on the mouse body, having one or more input buttons, receiving operating power from the power supply unit and outputting a button output signal corresponding to an operation of the input button; a position sensor disposed on the mouse body and detecting and outputting a moving distance and direction; a communication unit disposed on the mouse body, receiving a button output signal of the button unit and a detection signal of the position sensing unit, converting the signal into a wireless signal recognizable by the handheld computing device, and transmitting the signal to the handheld computing device; and when a camera function is executed in the handheld computing device, the operation mode is switched from the mouse mode to the remote control mode so that a specific button is automatically changed to a camera shooting function, and when the execution of the camera function ends, the operation mode is
  • a wireless mouse connected to and operating wirelessly with a handheld computing device, comprising: a mouse body having an internal space; a power unit disposed on the mouse body and supplying operation power according to the operation of the power button; a button unit disposed on the mouse body, having one or more input buttons, receiving operating power from the power supply unit and outputting a button output signal corresponding to an operation of the input button; a position sensor disposed on the mouse body and detecting and outputting a moving distance and direction; a communication unit disposed on the mouse body, receiving a button output signal of the button unit and a detection signal of the position sensing unit, converting the signal into a wireless signal recognizable by the handheld computing device, and transmitting the signal to the handheld computing device; and receiving keyboard connection detection information through the communication unit according to whether the handheld computing device and the keyboard are connected, and switching an operation mode to a mouse mode or a remote control mode according to whether the keyboard connection detection information is received, A control unit controlling the button unit to
  • the holder one side of which is coupled to the mouse body unfolds or folds the cradle by a rotational operation; and a support that connects the mouse body and the cradle to support the cradle, and when the cradle rotates, one side coupled to the mouse body slides in a uniaxial direction, and operates the toggle-type power button during the sliding operation.
  • a support that connects the mouse body and the cradle to support the cradle, and when the cradle rotates, one side coupled to the mouse body slides in a uniaxial direction, and operates the toggle-type power button during the sliding operation.
  • the button unit is arranged side by side on the upper surface of the mouse body, and detects the user's finger pressure according to the operation mode to output first and second click signals.
  • button a mode change button disposed on the mouse body and outputting a mode change signal for switching the operation mode to the mouse mode or the remote control mode by detecting a user's finger pressure according to the operation mode; and a scroll wheel disposed between the first and second click buttons, detecting a user's manipulation according to the operation mode and outputting at least one of a scroll signal and a wheel click signal.
  • each of the first and second click buttons outputs first and second click signals for performing left-click and right-click functions when the operation mode is the mouse mode, and performs the operation When the mode is the remote control mode, first and second click signals for performing previous track and next track functions may be output.
  • the scroll wheel outputs a scroll signal for performing a scroll operation function or a wheel click signal for performing a screen movement function when the operation mode is the mouse mode, and the operation mode is the mouse mode.
  • a scroll signal for performing a volume control function or a wheel click signal for performing a playback stop function may be output.
  • the present invention can be detachably attached to a handheld computing device without a locking device or external intervention.
  • power supply can be controlled by operating a mounting mechanism for mounting a handheld computing device.
  • automatic mode switching may be performed according to wireless connection and handheld computing device conditions.
  • FIG. 1 is a diagram illustrating a state in which a wireless mouse according to an embodiment of the present invention is attached to a handheld computing device.
  • FIG. 2 is a diagram illustrating a state in which a wireless mouse according to an embodiment of the present invention is placed on a handheld computing device.
  • FIG. 3 is a diagram schematically showing the configuration of a wireless mouse according to an embodiment of the present invention.
  • FIG. 4 is a diagram showing the appearance of a wireless mouse according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a structure of a mounting unit of a wireless mouse according to an embodiment of the present invention.
  • FIG. 1 is a diagram illustrating a state in which a wireless mouse 200 according to an embodiment of the present invention is attached to a handheld computing device.
  • 2 is a diagram illustrating a state in which a wireless mouse 200 according to an embodiment of the present invention is placed on a handheld computing device.
  • 3 is a diagram schematically showing the configuration of a wireless mouse 200 according to an embodiment of the present invention.
  • 4 is a view showing the appearance of a wireless mouse 200 according to an embodiment of the present invention, (a) shows a planar structure of the wireless mouse 200, (b) shows a side structure of the wireless mouse 200 indicates 5 is a diagram showing the structure of the mounting unit 280 of the wireless mouse 200 according to an embodiment of the present invention.
  • the wireless mouse 200 is attached to a handheld computing device using a magnetic attachment mechanism, and can operate while being connected to the handheld computing device wirelessly.
  • the wireless mouse 200 includes a mouse body 210 having an internal space, a power unit 220 disposed on the mouse body 210 and supplying operation power according to the operation of the power button 225, the A button unit 230 disposed on the mouse body 210, having one or more input buttons, receiving operating power from the power supply unit 220 and outputting a button output signal corresponding to the operation of the input button, the mouse A position sensor 240 disposed on the body 210 and detecting and outputting a moving distance and direction, disposed on the mouse body 210, and a button output signal of the button unit 230 and the position sensor ( 240), the communication unit 250 receives the detection signal, converts it into a wireless signal recognizable by the handheld computing device, and transmits the signal to the handheld computing device.
  • a control unit 290 for outputting the button output signal by controlling the button unit 230 to perform a function set according to the operation mode.
  • the power supply unit 220 may supply operating power using a battery.
  • the power button 225 is a toggle type, and can turn on/off the supply of operating power according to manipulation by an external force.
  • the button unit 230 is disposed side by side on the upper surface of the mouse body 210, and detects the user's finger pressure according to the operation mode and outputs first and second click signals (first and second click buttons) 231 and 232), a button 233 disposed on the mouse body 210 and outputting a function execution signal by detecting the pressure of the user's finger according to the operating mode, disposed on the mouse body 210, and configured to operate in the operating mode
  • a mode change button 234 outputs a mode change signal for switching the operation mode to the mouse mode or the remote control mode by detecting the user's finger pressure according to the user's finger, and disposed between the first and second click buttons 231 and 232. and a scroll wheel 235 that detects a user's manipulation according to the operation mode and outputs at least one of a scroll signal and a wheel click signal.
  • Each of the first and second click buttons 231 and 232 is a general left-click button and a right-click button, and outputs first and second click signals for performing left-click and right-click functions when the operation mode is the mouse mode, , When the operation mode is the remote control mode, first and second click signals for performing previous track and next track functions may be output.
  • the button 233 outputs a function execution signal for performing a resolution change function when the operation mode is the mouse mode, and outputs a function execution signal for performing a camera operation function when the operation mode is the remote control mode. can do.
  • the scroll wheel 235 outputs a scroll signal for performing a scroll operation function or a wheel click signal for performing a screen movement function when the operation mode is the mouse mode, and when the operation mode is the remote control mode, the volume A scroll signal for performing a control function or a wheel click signal for performing a playback stop function may be output.
  • the mode change button 234 outputs a mode change signal for switching to the remote control mode when the operation mode is the mouse mode, and a mode for switching to the mouse mode when the operation mode is the remote control mode.
  • a change signal can be output.
  • the contact portion 260 is made of a metal or an alloy that adheres to a magnetic element, such as iron, nickel, or cobalt, or the metal or alloy, in order to maximize adhesion when attached to the handheld computing device 11 having a built-in magnetic element. It may be characterized in that it partially includes and minimizes the occurrence of empty spaces when attached to a host unit to be attached through a flat structure without protrusions.
  • the magnetic element is a magnet to have magnetic attachment to the host unit and can be either an electromagnet or a permanent magnet.
  • Permanent magnets are divided into alnico, rare earth, and ferrite magnets according to the material used, and iron (Fe) to increase the magnetic force It can be produced by mixing other materials such as neodymium (Nd) and samarium (Sm) with natural ferromagnetic materials such as back.
  • Nd neodymium
  • Sm samarium
  • rare-earth neodymium (Nd) magnets are the best among permanent magnet materials currently used.
  • a shield magnet may be used as a magnetic element in order to amplify the size of a magnetic field (shielding effect) and prevent malfunction of a nearby sensor such as a touch sensor.
  • the contact portion 260 may have a flat shape in order to maximize magnetic force, and as the attachment area is maximized, the area contacting and receiving attraction from the magnetic area of the host unit increases, so that as many parts of the upper case area as possible are used as the contact portion ( 260) can have stronger adhesion.
  • the magnetic force part 270 may be inserted into an inner hole of the contact part 260, a lower part of the contact part 260, or an inside of a mechanism under the contact part 260, and directly contact the host unit.
  • the magnetic force unit 270 may include at least one of a permanent magnet and an electromagnet to generate magnetic force.
  • the holder 280 has one side coupled to the mouse body 210 and a holder 282 that is unfolded or folded by a rotational motion, and connects the mouse body 210 and the holder 282 to the holder 282.
  • Support 284, and during the rotational operation of the cradle 282, one side coupled to the mouse body 210 slides in a uniaxial direction, and operates the power button 225 of the toggle type during the sliding operation. can include
  • the holder 280 can turn off the power of the wireless mouse 200 by moving the power button 225 to an off position while unfolding the holder 282, and folding the holder 282 again. While doing so, the power of the wireless mouse 200 may be turned on by moving the power button 225 to an on position.
  • the wireless mouse 200 when the wireless mouse 200 is attached to the handheld computing device in a power-on state and the cradle 282 is unfolded and mounted, the power is turned off for a corresponding time to reduce power consumption, but again the above
  • the wireless mouse 200 can return to its original power-on state.
  • the controller 290 can perform automatic mode switching according to a keyboard connection and/or camera app execution.
  • the handheld computing device connected to the wireless mouse 200 may detect a keyboard connection after power is first turned on.
  • a dedicated application may be installed in the handheld computing device to determine whether or not the keyboard is connected.
  • the controller 290 receives keyboard connection detection information through the communication unit 250, determines that a keyboard is connected to the handheld computing device, sets an operation mode to a mouse mode, and sets the button The unit 230 can be controlled.
  • the handheld computing device may distinguish between a keyboard and a mouse in the Bluetooth HID profile.
  • control unit 290 determines that the keyboard is not connected to the handheld computing device by confirming that keyboard connection detection information is not received through the communication unit 250, and sets the operating mode.
  • the button unit 230 can be controlled by setting it to a remote control mode.
  • the controller 290 can automatically switch the operation mode to the mouse mode.
  • the control unit 290 can switch the operation mode to the remote control mode so that a specific button is automatically changed to a camera shooting function.
  • a specific button is pressed in the wireless mouse 200
  • a signal for performing a camera photographing function that is, a keyboard key value
  • the controller 290 may switch the operation mode back to the mouse mode. That is, when the mouse mode is changed to the remote control mode due to the execution of the camera app, it returns to the mouse mode when the camera function is turned off.
  • a dedicated application may be installed in the handheld computing device to determine whether or not the camera is running.
  • a key operation of the button unit 230 according to the operation mode conversion may be set as shown in Table 2 below.
  • a handheld computing device can be detachably attached to a handheld computing device without a locking device or external intervention.
  • a handheld computing device can be detachably attached to a handheld computing device. (Handheld) Attached to a computing device, it can be more easily carried.
  • power supply can be controlled by operating a mounting mechanism for mounting a handheld computing device.
  • automatic mode switching may be performed according to wireless connection and handheld computing device conditions.
  • the present invention relates to a wireless mouse, which can be detachably attached to a handheld computing device without a locking device or external intervention, making it more easily portable and a mounting mechanism for holding the handheld computing device.
  • the operation of the power supply can be controlled.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne une souris sans fil, et un mode de réalisation de la présente invention concerne une souris sans fil fonctionnant en étant connectée sans fil à un dispositif informatique portatif, la souris sans fil comprenant : un corps principal de souris ayant un espace interne ; une unité de puissance disposée sur le corps principal de souris et fournissant une puissance de fonctionnement en fonction du fonctionnement d'un bouton de puissance ; une unité de bouton pour délivrer en sortie un signal de sortie de bouton ; une unité de détection de position qui détecte et délivre en sortie une distance et une direction de déplacement ; une unité de communication qui reçoit le signal de sortie de bouton de l'unité de bouton et un signal de détection de l'unité de détection de position, convertit les signaux en signaux sans fil reconnaissables par le dispositif informatique portatif, et transmet les signaux sans fil au dispositif informatique portatif ; une unité de contact formée sous une forme plate pour optimiser l'auto-fixation ; une unité de force magnétique pour générer une force magnétique ; une unité de montage pour commander le fonctionnement de l'unité d'alimentation ; et une unité de commande qui reçoit des informations de détection de connexion de clavier, convertit un mode de fonctionnement en mode souris ou en mode de commande à distance, commande l'unité de bouton pour effectuer un ensemble de fonctions selon le mode de fonctionnement, et délivre le signal de sortie de bouton.
PCT/KR2021/018895 2021-11-17 2021-12-13 Souris sans fil WO2023090523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210158584A KR20230072147A (ko) 2021-11-17 2021-11-17 무선 마우스
KR10-2021-0158584 2021-11-17

Publications (1)

Publication Number Publication Date
WO2023090523A1 true WO2023090523A1 (fr) 2023-05-25

Family

ID=86397103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2021/018895 WO2023090523A1 (fr) 2021-11-17 2021-12-13 Souris sans fil

Country Status (2)

Country Link
KR (1) KR20230072147A (fr)
WO (1) WO2023090523A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050034918A (ko) * 2003-10-10 2005-04-15 엘지전자 주식회사 무선마우스가 구비된 노트북pc
KR100812998B1 (ko) * 2006-12-15 2008-03-13 한국과학기술연구원 블루투스 통신을 이용한 마우스 제어 시스템
KR20190137638A (ko) * 2018-06-02 2019-12-11 구희준 만능 블루투스 마우스
KR20200069666A (ko) * 2018-12-07 2020-06-17 서연민 탈부착식 무선 마우스

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8264310B2 (en) 2010-09-17 2012-09-11 Apple Inc. Accessory device for peek mode

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050034918A (ko) * 2003-10-10 2005-04-15 엘지전자 주식회사 무선마우스가 구비된 노트북pc
KR100812998B1 (ko) * 2006-12-15 2008-03-13 한국과학기술연구원 블루투스 통신을 이용한 마우스 제어 시스템
KR20190137638A (ko) * 2018-06-02 2019-12-11 구희준 만능 블루투스 마우스
KR20200069666A (ko) * 2018-12-07 2020-06-17 서연민 탈부착식 무선 마우스

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"BLUTIUM. LIT ZERO2 - Bluetooth Remote Control & Mouse Lit Zero that Can be Operated with a Simple Touch with One Finger", LIT STORE, September 2021 (2021-09-01) *

Also Published As

Publication number Publication date
KR20230072147A (ko) 2023-05-24

Similar Documents

Publication Publication Date Title
WO2016133315A1 (fr) Étui pour terminal portable
KR101575343B1 (ko) 터치스크린 잠금장치를 구비한 휴대용 통신 장치
US10324544B2 (en) Hand-written information process apparatus, hand-written information processing method and hand-written information processing program
KR100678064B1 (ko) 휴대 단말기의 조이스틱 장치
WO2014171751A1 (fr) Appareil d'entrée à capteur d'empreinte digitale et dispositif électronique portable le comprenant
JP2003050668A (ja) ポインティングデバイス
EP1016955A1 (fr) Dispositif de pointage et bouton de deplacement du curseur
WO2018079924A1 (fr) Montre intelligente convertible
CN107783674A (zh) 一种增强现实交互方法和动作感应触摸笔
WO2023090523A1 (fr) Souris sans fil
WO2018056783A1 (fr) Dispositif de commande de type patch
CN105677064A (zh) 电容笔
CN102761649A (zh) 移动通讯网络终端
WO2020040413A1 (fr) Dispositif électronique comportant un ensemble de touches comprenant un capteur de pression, et procédé de fonctionnement correspondant
WO2011132979A2 (fr) Souris portable
WO2015129984A1 (fr) Dispositif de réglage de jeu
TW201224867A (en) Wearable mouse
WO2018110721A1 (fr) Couvercle arrière de terminal portable ayant une fonction de commande à distance montée sur celui-ci et procédé de commande de produit électronique associé
CN102455797A (zh) 多模式折叠鼠标
WO2016072672A1 (fr) Dispositif d'entrée de signal et dispositif de pilotage d'équipement électronique l'utilisant
JP2003029919A (ja) 入力機器
CN207587170U (zh) 用于遥控手机的戒指
CN109002196B (zh) 内嵌软质键盘的电子笔及其实施方法
JP2017175716A (ja) 無線モータシステム
KR20150091036A (ko) 터치스크린 잠금장치를 구비한 휴대용 통신 장치

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: 21964909

Country of ref document: EP

Kind code of ref document: A1