技术领域Technical Field
本发明涉及一种表，其具有至少一个能够被电子管理的功能，并且具有用于控制所述功能的控制部件。The invention relates to a watch having at least one function that can be managed electronically and having control means for controlling said function.
背景技术Background Art
机械或机电表通常包括柄轴-表冠，该柄轴-表冠允许通过旋转表冠来设定指针的位置，并且在机械表的情况下允许对发条盒上条。在大多数情况下，表冠位于靠近表的表壳的休止位置，必须将其拉到设定位置以调整时间和日期(在适用的情况下)。Mechanical or electromechanical watches typically include a stem-crown that allows the position of the hands to be set by turning the crown and, in the case of mechanical watches, allows the mainspring barrel to be wound. In most cases, the crown is located in a rest position close to the watch case and must be pulled to the setting position to adjust the time and date (where applicable).
表越来越多地具有附加功能，例如用于个人和/或地理信息(例如议程、健身数据和位置确定数据)的电子显示器。对于配备机械机芯的表也是如此，例如通过添加包括布置在一部分表盘上的数字屏幕的电子模块。Watches are increasingly equipped with additional functions, such as electronic displays for personal and/or geographical information (e.g. agenda, fitness data and location determination data). This is also true for watches equipped with mechanical movements, for example by adding an electronic module comprising a digital screen arranged on a portion of the dial.
上述附加功能的存在通常需要特定的控制装置，该控制装置例如允许选择功能或浏览菜单等。The presence of the aforementioned additional functions usually requires specific control means, which allow, for example, the selection of functions or the browsing of menus.
已经开发了带有“操纵杆”或“轨迹球”类型的控制部件的电子表。在欧洲专利文献EP 1168113和EP 0582150中分别示出了这些解决方案的示例。然而，应当注意，这些解决方案并非旨在用于机械上条式表。欧洲专利文件EP 0582150还公开了一种具有柄轴-表冠以及“轨迹球”设备的表。该解决方案的缺点是，从美学和/或经济的观点出发，存在在空间上彼此分开的两个控制部件并不总是理想的，因为表壳的制造更加复杂。还应当注意，利用上述现有技术中公开的“操纵杆”或“轨迹球”类型的控制部件更难实现表壳的良好密封。Electronic watches with "joystick" or "trackball" type control components have been developed. Examples of these solutions are shown in European patent documents EP 1168113 and EP 0582150, respectively. However, it should be noted that these solutions are not intended for use with mechanically wound watches. European patent document EP 0582150 also discloses a watch with a stem-crown and a "trackball" device. The disadvantage of this solution is that the presence of two spatially separated control components is not always ideal from an aesthetic and/or economic point of view, as it complicates the manufacture of the watch case. It should also be noted that achieving a good seal for the watch case is more difficult with the "joystick" or "trackball" type control components disclosed in the aforementioned prior art.
发明内容Summary of the Invention
本发明旨在提供一种克服上述缺点的表。通过根据随附权利要求的表来实现该目的。The present invention aims to provide a watch that overcomes the above-mentioned disadvantages. This object is achieved by a watch according to the accompanying claims.
根据本发明的表包括控制一个或多个电子功能的控制部件。控制部件以弹性方式安装在细长元件上，使得使用者可以使该构件相对于该细长元件沿着至少一个方向并且优选地沿着两个维度倾斜。至少一个接近传感器结合在表的中间部件内，其位置允许该传感器产生表示构件围绕与细长元件的中心轴线垂直的轴线倾斜的信号。处理器基于由一个或多个接近传感器提供的信号来产生至少一个指令，例如以允许使用者浏览在表的数字屏幕上显示的菜单或日历。The watch according to the present invention includes a control unit that controls one or more electronic functions. The control unit is resiliently mounted on an elongated element, allowing a user to tilt the element relative to the elongated element in at least one direction, and preferably in two dimensions. At least one proximity sensor is incorporated into the middle member of the watch, positioned so as to generate a signal indicative of tilting the element about an axis perpendicular to the central axis of the elongated element. Based on the signals provided by the one or more proximity sensors, a processor generates at least one instruction, for example, to allow a user to navigate a menu or calendar displayed on a digital screen of the watch.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
下面将使用通过非限制示例给出的附图更详细地描述本发明，图中：The invention will now be described in more detail using the accompanying drawings, given by way of non-limiting example, in which:
-图1示出了根据本发明的一个实施例的将“操纵杆”功能结合在表中的柄轴-表冠机构的垂直截面。- Figure 1 shows a vertical section through a stem-crown mechanism incorporating a "joystick" function in a watch according to one embodiment of the invention.
-图2示出了图1中的机构的水平截面。- Figure 2 shows a horizontal section through the mechanism of Figure 1 .
-图3和图4示出了将两个可变磁阻磁传感器安装在根据图1和图2的实施例的表中间部件的方式。- Figures 3 and 4 show the manner in which two variable reluctance magnetic sensors are mounted on a watch middle part according to the embodiment of Figures 1 and 2 .
-图5和图6是示出结合在图1和图2中的表中的一个磁传感器的构型的剖视图。5 and 6 are cross-sectional views showing the configuration of one magnetic sensor incorporated in the table in FIG. 1 and FIG. 2 .
具体实施方式DETAILED DESCRIPTION
本发明既适用于具有机械机芯的表，也适用于具有机电机芯的表。它甚至可以适用于没有指针的电子表。The invention is applicable to watches with mechanical movements as well as to watches with electromechanical movements. It can even be applied to electronic watches without hands.
在机械机芯的情况下，表具有电子性质的附加功能。该表可以包括数字屏幕，该数字屏幕在一部分表盘上延伸，其旨在通过指针显示时间，并且在其上显示各种数据，例如通过浏览一个或多个菜单来显示日期、时间、字母数字消息或其他可访问信息。表包括在现有技术中众所周知的柄轴-表冠上条和指针设定机构。根据本发明的该实施例，表冠还用作通过构成接近传感器的传感器阵列来控制电子功能的装置，该接近传感器用于检测表冠沿着垂直于柄轴的轴向的两个方向的倾斜。In the case of a mechanical movement, the watch has additional functions of an electronic nature. The watch may include a digital screen extending over a portion of the dial, intended to display the time via hands and various data thereon, such as the date, time, alphanumeric messages, or other information accessible by navigating through one or more menus. The watch includes a stem-crown winding and hand-setting mechanism well known in the art. According to this embodiment of the invention, the crown also serves as a means for controlling the electronic functions by means of an array of sensors constituting a proximity sensor for detecting the tilting of the crown in two directions perpendicular to the axial direction of the stem.
图1和图2示出了根据本发明的一个实施例的表中的柄轴-表冠机构的垂直和水平截面。以已知的方式，通过压入/驱动连接到柄轴2的一端上的柄轴连接器6将表冠1连接在上条柄轴2上。柄轴2和柄轴连接器6组件穿过管3，该管3以固定的方式安装在表的中间部件5的壁上形成的孔4中。在成品表中，中间部件5构成支撑件，能够通过柄轴-表冠机构设定的钟表机芯安装在该支撑件中。O形环9插入管3和中间部件5之间以及该管和柄轴连接器6之间，以保证该机构是密封的。表冠安装在柄轴连接器6的一侧，使得表冠围绕其中心轴线10的旋转驱动柄轴连接器6和柄轴2围绕其中心轴线10'旋转，该中心轴线10'与中心轴线10同轴。柄轴连接器6容纳在管3中使得其能够旋转，并且具有减小的公差，使得柄轴连接器6基本上不能沿着径向移动。Figures 1 and 2 show vertical and horizontal sections of a stem-crown mechanism in a watch according to one embodiment of the present invention. In a known manner, the crown 1 is connected to the winding stem 2 by pressing/driving a stem connector 6 onto one end of the stem 2. The stem 2 and stem connector 6 assembly passes through a tube 3, which is fixedly mounted in a hole 4 formed in the wall of the watch's middle part 5. In the finished watch, the middle part 5 forms the support in which the watch movement, which can be set by the stem-crown mechanism, is mounted. O-rings 9 are inserted between the tube 3 and the middle part 5, as well as between the tube and the stem connector 6, to ensure the mechanism is leak-tight. The crown is mounted on one side of the stem connector 6, so that rotation of the crown about its central axis 10 drives the stem connector 6 and the stem 2 to rotate about their central axis 10', which is coaxial with the central axis 10. The stem connector 6 is housed in the tube 3, allowing it to rotate and with reduced tolerances, making it essentially unable to move radially.
柄轴连接器6和柄轴2组件代表了紧固有表冠的细长元件的一个实施例。应当注意，根据表的类型，该组件可以采用不同的形式。特别地，柄轴连接器和柄轴可以构成同一元件。在专用数字表的情况下，可以设置紧固在构成电子柄轴的细长元件上的旋转表冠。总体上，细长元件是限定中心轴线10'并且从表的中间部件5突出的元件，该细长元件的外端构成用于表冠的球形接头，如下文更详细所述。The stem connector 6 and stem 2 assembly represents one embodiment of the elongated element to which the crown is secured. It should be noted that this assembly can take different forms, depending on the type of watch. In particular, the stem connector and stem can constitute the same element. In the case of a dedicated digital watch, a rotating crown can be provided, secured to an elongated element constituting an electronic stem. Generally speaking, the elongated element defines a central axis 10' and protrudes from the watch middle part 5, with its outer end forming a ball joint for the crown, as described in more detail below.
此外，表冠1仅是相对于中间部件横向安装的适用本发明的控制部件的一个实施例。这种控制部件的另一示例是计时器所配备的推动件/按钮的头部(通常不能旋转)。将参考旋转表冠的情况描述本发明，该旋转表冠代表在钟表领域最常遇到的旋转表冠；然而，本发明的范围不限于此。Furthermore, crown 1 is only one example of a control element mounted transversely relative to the middle part, suitable for use with the present invention. Another example of such a control element is the head of a pusher/button (usually non-rotatable) provided with a timepiece. The present invention will be described with reference to the case of a rotating crown, which represents the most commonly encountered rotating crown in the watch industry; however, the scope of the present invention is not limited thereto.
应当注意，本发明不限于具有指定目的并且与控制部件的旋转或轴向运动有关的控制部件。本发明的范围还包括不能围绕细长元件的轴线旋转的控制部件，或者不能沿着轴向移位的控制部件。在这种特定情况下，控制部件主要专用于根据本发明的“操纵杆”功能。It should be noted that the present invention is not limited to control components having a specific purpose related to the rotation or axial movement of the control component. The scope of the present invention also includes control components that cannot be rotated about the axis of the elongated element or that cannot be displaced in the axial direction. In this particular case, the control component is primarily dedicated to the "joystick" function according to the present invention.
在附图中，表冠1被图示成处于相对靠近中间部件5的位置，例如其距离“q”小于1mm(在图1中示出)。该位置称为“休止位置”。以本身已知的方式，该位置例如允许机械表的使用者通过旋转表冠1来为其表手动上条。根据实施例，也以已知的方式，可以通过手动拉动表冠并且沿着轴向驱动柄轴2将表冠1从中间部件5移开，以激活机械设定模式，例如调整指针的位置和日期(在适用的情况下)。设定表冠1的轴向位置和致动机械设定具有不同的系统，本发明可以与这些系统中的任一个结合使用。独立于所适用的系统，本发明涉及优选地在表冠1位于休止位置时所增加的功能。In the accompanying drawings, the crown 1 is illustrated as being in a position relatively close to the middle part 5, for example, with a distance "q" of less than 1 mm (shown in Figure 1). This position is called the "rest position". In a manner known per se, this position allows, for example, the user of a mechanical watch to manually wind its watch by rotating the crown 1. According to an embodiment, also in a known manner, the crown 1 can be moved away from the middle part 5 by manually pulling the crown and driving the stem 2 axially to activate the mechanical setting mode, for example, to adjust the position of the hands and the date (where applicable). There are different systems for setting the axial position of the crown 1 and for actuating the mechanical setting, and the present invention can be used in combination with any of these systems. Independent of the applicable system, the present invention relates to the functions that are preferably added when the crown 1 is in the rest position.
如图1和图2所示，表冠1通过由弹性材料制成的圆柱形单元15安装在柄轴连接器6上，该圆柱形单元15构成球形接头，该球形接头允许表冠1围绕正交坐标系XYZ的Y和Z轴线以自恢复的方式倾斜，该正交坐标系XYZ的X轴线与柄轴2的中心轴线10'和表冠的中心轴线10共线/平行。更具体地，Z轴线基本上垂直于中间部件5大体所处的平面，Y轴线在该平面上。使用者可以通过相对于中间部件5手动操纵表冠1来致动表冠围绕Y和Z轴线的倾斜。使用者可以分别或同时使表冠围绕Y或Z倾斜(同时倾斜是在两个维度上的大多数操作的情况)。倾斜的自恢复特性意味着当使用者释放表冠1时，该表冠恢复到其休止位置。选择球形接头15的材料，使得这种自恢复倾斜是可行的。为此可以使用具有足够柔韧性的弹性或弹性体材料。As shown in Figures 1 and 2, crown 1 is mounted on stem connector 6 via a cylindrical unit 15 made of an elastic material. This cylindrical unit 15 forms a spherical joint that allows crown 1 to tilt in a self-restoring manner about the Y and Z axes of an orthogonal coordinate system XYZ, where the X axis is colinear/parallel to the central axis 10' of stem 2 and the central axis 10 of crown. More specifically, the Z axis is substantially perpendicular to the plane in which middle part 5 generally lies, and in which the Y axis lies. The user can manually manipulate crown 1 relative to middle part 5 to activate the crown's tilt about the Y and Z axes. The user can tilt the crown about either the Y or Z axes separately or simultaneously (simultaneous tilting is the most common operation in both dimensions). The self-restoring nature of the tilt means that when the user releases crown 1, it returns to its rest position. The material of spherical joint 15 is selected to make this self-restoring tilting possible. For this purpose, an elastic or elastomeric material with sufficient flexibility can be used.
根据本发明，并且参考图3至图6，两个接近传感器16和17集成在中间部件5内，使得这些传感器允许测量中间部件5与表冠1之间的距离的变化，该距离随着表冠围绕Y和Z轴线的旋转而变化。根据附图所示的特定实施例，传感器16和17集成在管3中，管3结合在中间部件的壁中。According to the invention, and with reference to Figures 3 to 6, two proximity sensors 16 and 17 are integrated in middle part 5, such that these sensors allow the variation in the distance between middle part 5 and crown 1 to be measured as the crown rotates about axes Y and Z. According to the particular embodiment shown in the figures, sensors 16 and 17 are integrated in tube 3 incorporated in the wall of the middle part.
优选地，传感器16和17定位成彼此正交。考虑到传感器在YZ平面上的角位置，如果能够从所测得的信号中得出围绕Y和Z的倾斜角度，则允许偏离该正交定位。可以使用任何类型的接近传感器。优选地，如在附图中所示的实施例中那样，使用可变磁阻磁传感器。图3至图6示出了传感器16和17如何集成在管3中。每个传感器包括“U”形杆。该杆由诸如铁氧体的铁磁材料制成。杆包括两个支脚20和介于支脚20之间的连接部分21。两个支脚20沿着管3的轴向插入在该管的壁中形成的相应的盲孔22中，使得支脚20的端部定位在管3的侧向外表面23附近，该表面23定位成面向表冠的后部。孔22也可以从一端到另一端穿过管3。连接部分21具有螺线管24，该螺线管24连接到印刷电路板(PCB)25，该印刷电路板(PCB)25附装在管3的侧向内表面上，并且用于测量流经螺线管24的电流的装置(未示出)位于该印刷电路板(PCB)25上。如图所示，传感器16和17位于柄轴-表冠机构旁边，但是保持一定距离，以保证支脚20的端部定位成面向表冠1的内表面。由铁磁材料(例如铁氧体)制成的环26结合在表冠1的后部中，使得无论表冠的角位置如何，该环26的侧表面都定位成面向两个传感器的支脚20的端部。每个U形杆构成了可变磁阻磁路的一部分，磁阻随着表冠1的环26的轴向位置而变化。通过借助于弹性球形接头使表冠倾斜，环26与传感器之间的距离发生变化，该距离变化将改变两个磁路中的至少一个的磁阻，当向这些螺线管(也称为线圈)中的每一个施加给定的电压时，将基于流经至少一个螺线管24的电流的变化来检测该磁阻。Preferably, sensors 16 and 17 are positioned orthogonally to each other. Deviations from this orthogonal positioning are permitted if the tilt angles about Y and Z can be inferred from the measured signals, taking into account the angular position of the sensors in the YZ plane. Any type of proximity sensor may be used. Preferably, as in the embodiment shown in the drawings, a variable reluctance magnetic sensor is used. Figures 3 to 6 illustrate how sensors 16 and 17 are integrated into tube 3. Each sensor comprises a "U"-shaped rod. The rod is made of a ferromagnetic material such as ferrite. The rod includes two legs 20 and a connecting portion 21 between the legs 20. The two legs 20 are inserted axially into corresponding blind holes 22 formed in the wall of tube 3, so that the ends of the legs 20 are positioned near a lateral outer surface 23 of tube 3, which is positioned facing the rear of the crown. Hole 22 may also pass through tube 3 from one end to the other. Connecting portion 21 includes a solenoid 24 connected to a printed circuit board (PCB) 25 attached to the lateral inner surface of tube 3. A device (not shown) for measuring the current flowing through solenoid 24 is located on this PCB. As shown, sensors 16 and 17 are located next to the stem-crown mechanism, but at a distance that ensures that the ends of legs 20 are positioned facing the inner surface of crown 1. A ring 26 made of ferromagnetic material (e.g., ferrite) is incorporated into the rear portion of crown 1 so that its lateral surface faces the ends of the two sensor legs 20, regardless of the crown's angular position. Each U-shaped rod forms part of a variable reluctance magnetic circuit, whose reluctance varies with the axial position of ring 26 of crown 1. By tilting the crown with the aid of an elastic ball joint, the distance between ring 26 and the sensor changes, which changes the magnetic resistance of at least one of the two magnetic circuits. This magnetic resistance is detected based on the change in the current flowing through at least one solenoid 24 when a given voltage is applied to each of these solenoids (also called coils).
使用者致动表冠1围绕Y和Z轴线旋转，由此改变环26与两个传感器16和17之间的相应的距离，使得由这些传感器产生的信号表征这些距离以及由此表征围绕两个正交轴线Y和Z的所述倾斜的幅度，该正交轴线Y和Z定义了倾斜运动的两个维度。应当注意，围绕Y轴线的倾斜对应于沿着Z轴线的倾斜，反之亦然。这些信号因此可以解释为用于管理表的电子功能的指令，例如浏览在表的数字屏幕上显示的菜单。因此，表冠1的作用方式与计算机的控制台的操纵杆类似。The user actuates crown 1 to rotate about the Y and Z axes, thereby varying the respective distances between ring 26 and the two sensors 16 and 17. The signals generated by these sensors represent these distances and, therefore, the amplitude of the tilt about the two orthogonal axes Y and Z, which define the two dimensions of the tilting motion. It should be noted that tilt about the Y axis corresponds to tilt along the Z axis, and vice versa. These signals can thus be interpreted as commands for managing the watch's electronic functions, such as navigating a menu displayed on its digital screen. Crown 1 thus functions in a manner similar to the joystick of a computer console.
处理器(未示出)嵌入PCB 25中，以处理由两个接近传感器产生的信号，并且将其转换成指令，该指令将管理表的一个或多个电子功能，例如控制表的数字屏幕上的光标。可以实施在计算机技术领域中众所周知的方法和算法来处理信号和产生指令。在表中存在电池或其他电源，例如光伏电池，从而为安装在PCB 25上的部件和/或在表内部实现的其他电子部件供电。A processor (not shown) is embedded in PCB 25 to process the signals generated by the two proximity sensors and convert them into instructions that manage one or more electronic functions of the watch, such as controlling a cursor on a digital screen of the watch. Methods and algorithms well known in the field of computer technology can be implemented to process the signals and generate the instructions. A battery or other power source, such as a photovoltaic cell, is present in the watch to power the components mounted on PCB 25 and/or other electronic components implemented within the watch.
本发明不限于具有两个接近传感器的实施例。根据本发明的表可以包括单个传感器，该单个传感器布置成能够测量沿着单个方向的操纵，例如仅包括传感器16。也可以设置两个以上传感器，例如四个传感器，它们位于表冠的轴线周围的四个位置，特别是对应于0°、90°、180°和270°角度的位置。The invention is not limited to embodiments with two proximity sensors. A watch according to the invention may include a single sensor arranged to measure manipulations in a single direction, for example comprising only sensor 16. It is also possible to provide more than two sensors, for example four sensors, located at four positions around the axis of the crown, in particular corresponding to angles of 0°, 90°, 180° and 270°.
在具有至少两个接近传感器的实施例中，特定实施例包括例如根据在垂直于中心轴线10'的平面中操纵控制部件的方向来分配特定功能。例如，在附图所示的实施例的情况下，仅由传感器17检测到的关于Y轴线的倾斜可以控制的功能与仅由传感器16检测到的关于Z轴线的倾斜所控制的功能不同。在这种情况下，处理器优选地构造成使得将忽略与相对于Y和Z轴线倾斜的旋转轴线的轻微偏差。In embodiments with at least two proximity sensors, certain embodiments include assigning specific functions, for example, depending on the direction in which the control element is manipulated in a plane perpendicular to central axis 10'. For example, in the embodiment shown in the figures, tilting about the Y axis detected solely by sensor 17 can control a different function than tilting about the Z axis detected solely by sensor 16. In this case, the processor is preferably configured so that even slight deviations from the axis of rotation that are tilted relative to the Y and Z axes are ignored.
根据其他实施例，表冠1(或可应用本发明的任何其他控制部件)能够以与计时器的按钮相同的方式经历从休止位置的自恢复轴向移位。该轴向移位由使用者致动，该使用者短暂地/简单地将表冠推向中间部件5，然后释放表冠，该表冠自动恢复到其初始位置。例如，当表冠1经由本身已知的安装有弹簧的推动机构与柄轴2装配在一起时，能发生这种情况。根据与本发明有关的实施例，表设置有传感器，该传感器布置成检测该轴向移位，使得处理器响应于此产生与通过表冠的倾斜产生的指令不同的特定指令。通过推动表冠产生的指令可以是从例如在菜单中显示的选项中确认选择的指令。还可以使用可恢复的推动来激活或停用表冠的“操纵杆”功能。推动的持续时间可以确定指令。例如，较长的持续时间用于激活或停用“操纵杆”功能，而当功能被激活时，较短的持续时间用于确认选择。According to other embodiments, crown 1 (or any other control component to which the present invention is applicable) can undergo a self-resetting axial displacement from its rest position, similar to a chronograph push-button. This axial displacement is initiated by the user, who briefly pushes the crown against middle part 5 and then releases it, causing it to automatically return to its initial position. This can occur, for example, when crown 1 is assembled with stem 2 via a spring-loaded push mechanism known per se. According to an embodiment related to the present invention, the watch is provided with a sensor configured to detect this axial displacement, causing the processor to generate a specific command in response, distinct from the command generated by tilting the crown. The command generated by pushing the crown can be, for example, a command confirming a selection from options displayed in a menu. A reversible push can also be used to activate or deactivate the crown's "joystick" function. The duration of the push can determine the command. For example, a longer push duration activates or deactivates the "joystick" function, while a shorter push duration confirms a selection when the function is activated.
根据优选实施例，传感器16和17本身用于检测表冠向中间部件的可逆推动。这通过将处理器配置成使得将表冠的轴向移位解释/转换为表冠的可逆推动来实现，该轴向移位导致该表冠以及由此铁磁环26移动得更靠近两个传感器，从而同时被两个接近传感器检测到。更具体地，与倾斜的情况不同，表冠的轴向移位对于两个布置成检测距离变化的传感器产生相同的距离变化(距离“q”的减小相同)。可替代地，可以实现附加的传感器，该传感器特别地构造成检测表冠朝着中间部件的轴向移位。例如，可以设置一对电流触点，在推动表冠时该对电流触点彼此接触，或者更有利地，可以实现电容传感器。According to a preferred embodiment, sensors 16 and 17 themselves are used to detect the reversible push of the crown towards the middle part. This is achieved by configuring the processor so that an axial displacement of the crown is interpreted/converted into a reversible push of the crown, which causes the crown and, therefore, the ferromagnetic ring 26, to move closer to the two sensors, thereby being detected simultaneously by the two proximity sensors. More specifically, unlike the case of tilting, the axial displacement of the crown produces the same distance change (the same reduction in distance "q") for the two sensors arranged to detect a change in distance. Alternatively, an additional sensor can be implemented that is specifically configured to detect the axial displacement of the crown towards the middle part. For example, a pair of galvanic contacts can be provided that come into contact with each other when the crown is pushed, or, more advantageously, a capacitive sensor can be implemented.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19214810.4 | 2019-12-10 |
| Publication Number | Publication Date |
|---|---|
| HK40053621A HK40053621A (en) | 2022-02-11 |
| HK40053621Btrue HK40053621B (en) | 2022-08-12 |
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