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Numéro de publicationCN103776297 B
Type de publicationOctroi
Numéro de demandeCN 201410033205
Date de publication18 nov. 2015
Date de dépôt23 janv. 2014
Date de priorité23 janv. 2014
Autre référence de publicationCN103776297A
Numéro de publication201410033205.X, CN 103776297 B, CN 103776297B, CN 201410033205, CN-B-103776297, CN103776297 B, CN103776297B, CN201410033205, CN201410033205.X
Inventeurs蔡亚, 牛亚飞, 桑作军, 方建芳, 邵传飞
Déposant中国人民解放军总参谋部第六十研究所
Exporter la citationBiBTeX, EndNote, RefMan
Liens externes:  SIPO, Espacenet
基于特征图形的激光目标识别系统及其识别方法 Laser-based object recognition system and its recognition feature graphics Langue du texte original : Chinois
CN 103776297 B
Résumé  Langue du texte original : Chinois
本发明涉及一种基于特征图形的激光目标识别系统及方法,包括场景生成单元、显示单元、至少二个激光发射部件、图像采集单元、滤光装置和目标解算单元,还包括至少二个微衍射光学元件,所述微衍射光学元件与激光发射部件一一对应,微衍射光学元件置于激光发射部与显示单元之间,所述各个微衍射光学元件产生的特征图像各不相同。 The present invention relates to a laser target identification system and method based on feature pattern including scenario generation unit, a display unit, at least two laser light emitting means, image acquisition means, the filter means and the target solving means, further comprising at least two micro- diffractive optical element, the diffractive optical element and a laser micro-emitting member correspondence, micro diffractive optical element disposed between the laser emitting unit and the display unit, wherein each of said image generating micro diffractive optical element varies. 本发明通过单个图像采集单元识别多种激光目标,从而节约资源和空间,可广泛适用于各种模拟射击系统。 The present invention is a single image acquisition unit identifies a variety of laser target, thereby saving resources and space, it can be widely applied to various simulated shooting system.
Revendications(8)  Langue du texte original : Chinois
1.基于特征图形的激光目标识别系统,包括场景生成单元(1)、显示单元(2)、至少二个激光发射部件(3)、图像采集单元(4)、滤光装置(5)和目标解算单元¢),其特征在于:还包括至少二个微衍射光学元件(7),所述微衍射光学元件(7)与激光发射部件(3)的发射口处一一对应安装,所述微衍射光学元件(7)置于激光发射部件(3)与显示单元(2)之间,所述各个微衍射光学元件(7)具有不同特征图像的衍射孔,所述激光发射部件(3)透过所述微衍射光学元件(7)将光点显示在显示单元(2)上,所述图像采集单元透过所述滤光装置(5)采集显示单元(2)上的特征图像,由所述目标解算单元(6)运算后发送至场景生成单元(I),最后由场景生成单元(I)转换形成的目标场景坐标通过连接的显示单元(2)进行显不O 1. Based on the laser target feature pattern recognition system, including the scenario generation unit (1), a display unit (2), at least two laser emitting member (3), an image acquisition unit (4), the filter means (5) and the target Solver unit ¢), characterized by: further comprising at least two micro diffractive optical element (7), said micro diffractive optical element (7) and the laser emitting member (3) at the emission port correspondence installation, the micro diffractive optical element (7) disposed laser emitting member (3) and the display unit (2) between the respective micro diffractive optical element (7) having a diffraction image of different characteristics hole, said laser emitting means (3) through the micro diffractive optical element (7) the light spot displayed on the display unit (2), wherein the image acquisition unit to display an image unit (2) through the filtering means (5) acquisition, by the The goal solver unit (6) is sent to the scene after the operation generating unit (I), the target scene coordinate unit (I) is generated by converting formed last scene through the display unit connected (2) was not O
2.根据权利要求1所述的基于特征图形的激光目标识别系统,其特征在于:所述微衍射光学元件(7)产生的特征图像采用两条相交线段为特征形状,不同的线段长度和相交角度代表不同的特征图形。 The characteristic pattern of the laser-based object recognition system according to claim 1, wherein: said image feature micro diffractive optical element (7) produced using the characteristic shape of two intersecting line segments, the line segments of different length and intersect angle representing different feature pattern.
3.根据权利要求1所述的基于特征图形的激光目标识别系统,其特征在于:所述微衍射光学元件(7)为带有特征图形的平面透镜。 3. The characteristic pattern of the laser-based object recognition system according to claim 1, characterized in that: said micro diffractive optical element (7) is a flat lens with a characteristic pattern.
4.根据权利要求1所述的基于特征图形的激光目标识别系统,其特征在于:所述显示单元(2)由投影仪和投影屏幕组成。 4. The characteristic pattern of the laser-based object recognition system according to claim 1, wherein: said display unit (2) by the projector and projection screens.
5.根据权利要求1所述的基于特征图形的激光目标识别系统的目标识别方法,其特征在于包括以下步骤: 51、由场景生成单元将三维虚拟场景或实拍场景通过显示单元进行显示; 52、激光发射部件安装在待识别目标上,激光透过微衍射光学元件,将微衍射光学元件上的特征图形通过衍射投射到一定距离处的屏幕上,形成特定图形的光点;各个微衍射光学元件产生的特征图像各不相同,从而有效区分不同的激光发射部件; 53、图像采集单元通过滤光装置过滤掉其它无关的光源,对光点所在的屏幕进行扫描,将扫描获得的当前屏幕上包含所有光点的图片传递给目标解算单元; 54、目标解算单元的识别处理程序通过相空间转换方法提取出该图片上所有的直线和直线的端点信息,获得图片上所有光点的角度与长度,及光点坐标;通过比较预定义的目标类型与光点特征对应关系,解算出所有目标的类型和光点坐标,然后将目标类型和光点坐标传递给场景生成单元; 55、场景生成单元将光点坐标转换成目标场景坐标,结合目标类型,计算出当前激光发射部件的各种状态,并显示在显示单元上。 5. The method of claim Target Recognition feature graphics-based laser target recognition system, wherein 1 comprises the steps of: 51, generated by the three-dimensional virtual scene scene unit or real shot scene displayed by the display unit; 52 each micro diffractive optics; laser emitting member mounted on the target to be identified, by laser micro diffractive optical element, wherein the micro diffractive optical element on the pattern projected onto the screen by diffraction at a certain distance, the formation of a specific pattern of the light spot wherein the image element produced varies, thus effectively distinguish different laser emitting member; 53, an image acquisition unit through the filter means to filter out other irrelevant light sources, the point where the light screen is scanned, the scanning on the current screen obtained contains all of the dots of image transfer to the target solver unit; 54, target recognition processing unit solver program to extract all of the lines and the line on the picture endpoint information through phase space conversion method, get all of the dots on the image angle and length, and light point coordinates; by comparing the predefined target type and light point feature correspondence, solves for type and spot coordinates of all targets, and then the target type and light point coordinates passed to the scene generation unit; 55, a scenario generation unit The spot coordinate coordinates into target scene, combined with the target type, calculate the current status of the various components of the laser emission and displayed on the display unit.
6.根据权利要求5所述的基于特征图形的激光目标识别系统的目标识别方法,其特征在于:所述微衍射光学元件产生的特征图像采用两条相交线段为特征形状,不同的线段长度和相交角度代表不同的特征图形。 6. The method of claim Target Recognition feature graphics-based laser target recognition system, wherein 5 said: features an image of the micro diffractive optical element produced using two intersecting segment is characterized by the shape, length and different segments crossing angle pattern representing different characteristics.
7.根据权利要求5所述的基于特征图形的激光目标识别系统的目标识别方法,其特征在于:所述微衍射光学元件为带有特征图形的平面透镜。 7. Target Recognition laser target recognition system based on characteristic pattern according to claim 5, characterized in that: the micro diffractive optical element is a flat lens with a characteristic pattern.
8.根据权利要求5所述的基于特征图形的激光目标识别系统的目标识别方法,其特征在于:所述显示单元由投影仪和投影屏幕组成。 8. The method of laser target identification target recognition system based on characteristic pattern according to claim 5, characterized in that: the display unit is composed of projectors and projection screens.
Description  Langue du texte original : Chinois
基于特征图形的激光目标识别系统及其识别方法 Laser-based object recognition system and its recognition feature graphics

技术领域 TECHNICAL FIELD

[0001] 本发明属于目标识别技术领域,特别是一种可对同一环境中多种不同激光目标类型和光点坐标进行实时识别的基于特征图形的激光目标识别系统。 [0001] The present invention belongs to the field of object recognition technology, in particular a same environment can target a variety of different types of laser and light point coordinates for real-time identification based on characteristic pattern laser target identification system.

背景技术 Background technique

[0002] 激光目标识别主要用于在人机交互的三维场景中产生互动反应,比如武器模拟射击系统中。 [0002] Laser Target Recognition mainly used to produce interactive 3D scene reactions in human-computer interaction, such as weapons firing simulation system. 现有激光目标识别系统采用基于激光波长的识别技术。 Existing laser target recognition system using recognition technology based on laser wavelength. 现有激光目标识别系统由场景生成单元、显示单元、激光发射部件、图像采集单元、目标解算单元组成,现有技术如需识别多种武器模拟器,则每增加一个模拟器就要增加一种不同波长对应的图像采集单元和滤光装置,造成资源和空间的浪费,且该现有技术受激光波长的限制,无法进行大量扩展,能够识别的目标类型有限,也限制了识别目标的数量。 Target Recognition System available laser generated by a scene unit, a display unit, a laser emitting means, the image acquisition unit, solving the target units, the prior art For various weapon simulator identification, the simulator will increase for each additional one different wavelengths corresponding to the image acquisition unit and the filter unit, resulting in a waste of resources and space, and the prior art laser wavelength is limited, can not be a large number of extensions, the target type can be identified by a limited, but also to identify the target of limiting the number of .

发明内容 SUMMARY OF THE INVENTION

[0003] 本发明的目的在于提供一种基于特征图形的激光目标识别系统及其识别方法,能通过单个图像采集单元识别多种激光目标,从而节约资源和空间。 [0003] The object of the present invention to provide a laser target identification system and recognition method based on characteristic pattern, a single image acquisition unit can identify a variety of laser target, thereby saving resources and space.

[0004] 实现本发明目的的技术解决方案为:提供一种基于特征图形的激光目标识别系统,包括场景生成单元、显示单元、至少二个激光发射部件、图像采集单元、滤光装置和目标解算单元,还包括至少二个微衍射光学元件,所述微衍射光学元件与激光发射部件的发射口处一一对应安装,所述微衍射光学元件置于激光发射部件与显示单元之间,所述各个微衍射光学元件具有不同特征图像的衍射孔,所述激光发射部件透过所述微衍射光学元件将光点显示在显示单元上,所述图像采集单元透过所述滤光装置采集显示单元上的特征图像,由所述目标解算单元运算后发送至场景生成单元,最后由场景生成单元转换形成的目标场景坐标通过连接的显示单元进行显示。 [0004] The purpose of the present invention, technical solutions are: to provide a feature-based pattern recognition system laser target, including the scene generation unit, a display unit, a laser emitting at least two parts, the image acquisition unit, the filter means and the target solution calculation unit, further comprising at least two micro diffractive optical element, the diffractive micro-optical elements emitting opening of the laser emitting at a one to one correspondence mounting member, said micro diffractive optical element disposed between the laser emitting member with the display unit, the each of said micro-holes diffractive optical element having a diffraction image of different characteristics, through means of the laser emission of the micro-light spot diffractive optical element is displayed on the display unit, the image acquisition unit displayed through the filtering means collecting Characteristics of the image on the unit, by the target after solving arithmetic unit sent to the scene generation unit, target scene coordinate conversion unit formed last generated by the scene displayed by the display unit connected.

[0005] 本发明的进一步限定技术方案是,前述的基于特征图形的激光目标识别系统,所述微衍射光学元件产生的特征图像采用两条相交线段为特征形状,不同的线段长度和相交角度代表不同的特征图形。 [0005] further defined aspect of the present invention is based on the aforementioned characteristics of the laser target pattern recognition system, said micro diffractive optical element produced using the feature image is characterized by two intersecting line segments shapes, different segment length and angle of intersection representatives Different feature pattern.

[0006] 前述的基于特征图形的激光目标识别系统,所述微衍射光学元件为带有特征图形的平面透镜。 [0006] The foregoing features graphics based laser target identification system, said micro diffractive optical element is a flat lens with a characteristic pattern.

[0007] 前述的基于特征图形的激光目标识别系统,所述显示单元由投影仪和投影屏幕组成。 [0007] The foregoing features graphics based laser target identification system, said display unit consists of a projector and projection screens.

[0008] —种基于特征图形的激光目标识别方法,包括以下步骤: [0008] - the kind of laser target recognition based on characteristic pattern, comprising the steps of:

[0009] S1、由场景生成单元将三维虚拟场景或实拍场景通过显示单元进行显示; [0009] S1, generated by the three-dimensional virtual scene scene unit or real shot scene displayed by the display unit;

[0010] S2、激光发射部件安装在待识别目标上,激光透过微衍射光学元件,将微衍射光学元件上的特征图形通过衍射投射到一定距离处的屏幕上,形成特定图形的光点;各个微衍射光学元件产生的特征图像各不相同,从而有效区分不同的激光发射部件; [0010] S2, a laser emitting member mounted on the target to be identified, by laser micro diffractive optical element, wherein the micro diffractive optical element on the pattern projected onto the screen by diffraction at a certain distance, the formation of a specific pattern of light spots; wherein each micro-image generated by the diffractive optical element varies, so as to effectively distinguish different laser emitting means;

[0011] S3、图像采集单元通过滤光装置过滤掉其它无关的光源,对光点所在的屏幕进行扫描,将扫描获得的当前屏幕上包含所有光点的图片传递给目标解算单元; [0011] S3, the image acquisition unit through the filter means to filter out other irrelevant light sources, where the light spot scans the screen, the current screen will be obtained that contains all the scanning spot passes the image to the target resolver unit;

[0012] S4、目标解算单元的识别处理程序通过相空间转换方法提取出该图片上所有的直线和直线的端点信息,获得图片上所有光点的角度与长度,及光点坐标;通过比较预定义的目标类型与光点特征对应关系,解算出所有目标的类型和光点坐标,然后将目标类型和光点坐标传递给场景生成单元; [0012] S4, target recognition processing unit solver program to extract all of the lines and the line on the picture endpoint information through phase space conversion method, to obtain the angle and length, and spot coordinates of all spot on the image; by comparison The predefined target type and characteristics of the correspondence between the light spot, the solution calculates the coordinates of all types and spot targets, then the target type and light point coordinates passed to the scenario generation unit;

[0013] S5、场景生成单元将光点坐标转换成目标场景坐标,结合目标类型,计算出当前激光发射部件的各种状态,并显示在显示单元上。 [0013] S5, scene generation unit will spot the target coordinates into the coordinates of the scene, combined with the target type, calculate the current status of the various components of the laser emission and displayed on the display unit.

[0014] 前述的基于特征图形的激光目标识别方法,所述微衍射光学元件产生的特征图像采用两条相交线段为特征形状,不同的线段长度和相交角度代表不同的特征图形。 Feature image [0014] The foregoing features graphic laser target recognition method based on the micro diffractive optical element produced using two intersecting segments characterized by shape, different segment length and angle of intersection represent different characteristics graphics.

[0015] 前述的基于特征图形的激光目标识别方法,所述微衍射光学元件为带有特征图形的平面透镜。 [0015] The foregoing features laser target recognition method based graphics, the micro diffractive optical element is a flat lens with a characteristic pattern.

[0016] 前述的基于特征图形的激光目标识别方法,所述显示单元由投影仪和投影屏幕组成。 [0016] The foregoing features laser target recognition method based graphics, the display unit by the projector and projection screens.

[0017] 本发明与现有技术相比,其显著优点:本技术方案通过在每个激光发射部件之前增加具有不同图像特征的微衍射光学元件,使得照射到显示单元上的激光点带有某种图像特征,使得采集的激光图形特征能够被准确地识别和定位,以单个图像采集单元识别多种激光目标,从而大幅节约资源和空间。 [0017] The present invention over the prior art, and its significant advantages: The technical program by increasing the micro diffractive optical element having a different image features before each laser emission component, so irradiated laser spot on a display unit with a kinds of image feature, so that the laser pattern feature collection can be accurately identified and located, in a single image acquisition unit identifies a variety of laser target, thereby greatly saving resources and space.

[0018] 下面结合附图对本发明作进一步详细描述。 [0018] The present invention below with reference to the accompanying drawings as described in further detail.

附图说明 Brief Description

[0019]图1是本发明基于特征图形的激光目标识别系统的结构示意图。 [0019] FIG. 1 is a schematic view of the present invention is based on the laser target characteristic pattern recognition system.

[0020]图2是本发明基于特征图形的激光目标识别系统的工作原理框图。 [0020] FIG. 2 is a block diagram of the work is based on the laser target characteristic pattern recognition system of the present invention.

[0021]图3是本发明基于特征图形的激光目标识别系统的工作流程图。 [0021] FIG. 3 is a flowchart feature graphics-based laser target identification system of the invention.

[0022] 图中:1场景生成单元,2显示单元,3激光发射部件,4图像采集单元,5,滤光装置,6目标解算单元,7微衍射光学元件。 [0022] FIG: 1 scenario generation unit, the display unit 2, a laser emitting section 3, the image acquisition unit 4, 5, the filter means, the target solving means 6, 7 micro diffractive optical element.

具体实施方式 detailed description

[0023] 本实施例提供一种基于特征图形的激光目标识别系统,如图1所示,包括场景生成单元1、显示单元2、至少二个激光发射部件3、图像采集单元4、滤光装置5和目标解算单元6,还包括至少二个由带有特征图形的平面透镜构成的微衍射光学元件7,显示部件由投影仪和投影屏幕组成,微衍射光学元件7与激光发射部件3的发射口处一一对应安装,微衍射光学元件7置于激光发射部件3与显示单元2之间,各个微衍射光学元件7具有不同特征图像的衍射孔,激光发射部件3透过微衍射光学元件7将光点显示在显示单元2上,图像采集单元透过滤光装置5采集显示单元2上的特征图像,由目标解算单元6运算后发送至场景生成单元1,最后由场景生成单元I转换形成的目标场景坐标通过连接的显示单元2进行显示。 [0023] The present embodiment provides a laser system for target identification based on characteristic pattern shown in Figure 1, includes a scenario generation unit 1, a display unit 2, the at least two laser emitting section 3, the image acquisition unit 4, the filter means 5 and the target solver unit 6, further comprising at least two micro diffractive optical element with a characteristic pattern by a planar lens constituted 7, the display section by the projector and projection screen composed of micro diffractive optical element 7 and the laser emitting member 3 transmitting installation mouth correspondence between the two micro diffractive optical element 7 disposed laser emitting member 3 and the display unit, each micro diffractive optical element having a diffractive hole 7 different characteristics of the image, the micro-laser emitting member 3 through the diffractive optical element 7 spot on the display unit 2, an image acquisition unit through the filter means 5 feature image acquisition and display unit 2 by the target after solving arithmetic unit 6 is sent to the scene generation unit 1, the last generation unit I converted from scene the coordinates of the target scene is formed by the display unit 2 connected display.

[0024] 本技术方案通过在每个激光发射部件之前增加具有不同图像特征的微衍射光学元件,使得照射到显示单元上的激光点带有某种图像特征,使得采集的激光图形特征能够被准确地识别和定位,以单个图像采集单元识别多种激光目标,从而大幅节约资源和空间。 [0024] The technical solution by adding before each laser emitting member micro diffractive optical element having a different image features, such that the laser spot irradiated on the display unit with a certain image features, so that the laser pattern feature can be accurately collected identify and locate, in a single image acquisition unit identifies a variety of laser target, thereby greatly saving resources and space.

[0025] 本实施例的微衍射光学元件7产生的特征图像采用两条相交线段为特征形状,不同的线段长度和相交角度代表不同的特征图形;不同的特征图形的相交角度之间设置足以将不同的特征图形区别开来的几何保护间隔;不同的特征图形的线段长度之间设置足以将不同的特征图形区别开来的几何保护间隔。 Feature image micro diffractive optical element produced in Example 7 [0025] The use of the shape is characterized by two intersecting line segments of different lengths and the angle of intersection of line segments represent different graphic characteristics; setting different angles between intersecting pattern characteristics sufficient to Set different characteristics sufficient to distinguish geometric graphic guard interval length of the line between the different characteristics of graphics; different characteristics that distinguish geometric graphic guard interval.

[0026] 微衍射光学元件是一块带有特征图形的平面透镜,激光通过该透镜后形成带有特征图形的光点。 [0026] The micro diffractive optical element is a characteristic pattern with a flat lens, a spot with a characteristic pattern formed by the laser lens. 特征图形具有以下要求:采用两条线段相交为专用设计形状,不同的特征图形有不同的相交角度和长度。 Feature pattern requires the following: the use of two line segments intersect dedicated design shapes, different features have different pattern intersecting angle and length. 引入多种目标特征时,为每个特征形状设置一定角度的几何保护间隔,避免误判。 When introducing a variety of target features, shaped to a certain angle for each feature geometry guard interval, to avoid false positives. 保护间隔的大小与图像采集单元4的分辨率及目标解算单元6的能力相关,通过实验确定。 Protection of the size of the image acquisition unit interval resolution and the ability to target 4 solution calculation unit 6 correlates experimentally determined. 同时,采用两条相交线段为特征形状,容易实现不同目标的区分,且消耗计算资源少,计算量小。 At the same time, the segment is characterized by the use of two intersecting shapes, easy to distinguish between different objectives, and consume less computing resources, a small amount of calculation.

[0027] 如图2、3所示,本发明基于特征图形的激光目标识别方法的工作过程为: [0027] 2 and 3, the present invention is based on the work process characteristic pattern laser target identification method is as follows:

[0028] 场景生成单元I将三维虚拟场景或实拍场景通过显示单元2进行显示; [0028] The scene generation unit I would really making three-dimensional virtual scene or a scene displayed by the display unit 2;

[0029] 每个激光发射部件3包括一激光源,其前面都设有一微衍射光学元件7 ; [0029] Each laser emitter includes a laser source member 3, which has a front micro diffractive optical element 7;

[0030] 激光源安装在待识别目标上,激光透过微衍射光学元件7,将微衍射光学元件7上的特征图形通过衍射投射到一定距离处的屏幕上,形成特定图形的光点;各个微衍射光学元件7产生的特征图像各不相同,从而有效区分不同的激光发射部件3 ; [0030] The laser source is mounted on the target to be identified, by laser micro diffractive optical element 7, characterized in micro diffraction pattern 7 on the diffractive optical element onto a screen by a distance, forming a specific pattern of light spots; each wherein the image generating micro diffractive optical element 7 varies, so as to effectively distinguish different laser emitting member 3;

[0031]图像采集单元4通过滤光装置5过滤掉其它无关的光源,对光点所在的屏幕进行扫描,将扫描获得的当前屏幕上包含所有光点的图片传递给目标解算单元6; [0031] The image acquisition unit 4 through the filter means to filter out other irrelevant 5 light sources, where the light spot scans the screen, the current screen will be obtained that contains all the scanning spot passes the image to the target solver unit 6;

[0032]目标解算单元6的识别处理程序通过相空间转换方法提取出该图片上所有的直线和直线的端点信息,获得图片上所有光点的角度与长度,及光点坐标。 [0032] target recognition processing program solver unit 6 is extracted through phase space conversion method for all lines and line on the picture endpoint information obtained angle and length, and spot coordinates of all spot on the image. 通过比较预定义的目标类型与光点特征对应关系,解算出所有目标的类型和光点坐标,然后将目标类型和光点坐标传递给场景生成单元I ; By comparing the predefined target type and characteristics of the correspondence between the light spot, the solution calculates the coordinates of all types and spot targets, then the target type and light point coordinates passed to the scene generation unit I;

[0033] 场景生成单元I将光点坐标转换成目标场景坐标,结合目标类型,计算出当前激光发射部件3的各种状态,并显示在显示单元2上。 [0033] scene generation unit I would spot coordinates into the coordinates of the target scene, combined with the target type, calculate the current state of various laser emitting member 3 and displayed on the display unit 2.

[0034] 除上述实施例外,本发明还可以有其他实施方式。 [0034] In addition to the above-described embodiment exceptions, the present invention is capable of other embodiments. 凡采用等同替换或等效变换形成的技术方案,均落在本发明要求的保护范围。 Where the use of equivalents or equivalent transformation form of technical solutions, are within the scope of the invention claimed.

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Classifications
Classification internationaleF41A33/00, G02B27/42
Événements juridiques
DateCodeÉvénementDescription
7 mai 2014C06Publication
11 juin 2014C10Entry into substantive examination
18 nov. 2015C14Grant of patent or utility model