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    • 1. 发明授权
    • Device and method for identifying an object in or on a closable opening
    • 用于识别可关闭开口中或之上的物体的装置和方法
    • US07378641B2
    • 2008-05-27
    • US11568239
    • 2005-05-14
    • Rolf MelcherFrank RottmannGerd ReimeAndreas RodewaldJuergen SetzerMichael DietzPeter Langer
    • Rolf MelcherFrank RottmannGerd ReimeAndreas RodewaldJuergen SetzerMichael DietzPeter Langer
    • G08B13/18G01V8/24
    • G01V8/22
    • The invention relates to a device and a method for identifying an object O in an opening that can be closed by means of a mobile element (12). Light is fed into at least one fiber-optic light guide (33, 34) from a light source (1, 2), and variations in the received light are detected by means of at least one receiver (Ea, Eb), the fiber-optic light guide being arranged at least partially along the edge of the opening (11). A first fiber-optic light guide sends light transversally to the length thereof, said light being then received by a second fiber-optic light guide transversally to the length thereof. The second fiber-optic light guide (34) is connected to the receiver (Eb). The fiber-optic light guides are arranged on the edge of the opening (11) in such a way that a light field (F) at least partially bridging the opening is produced. At least one light source (1, 2) and at least one receiver (Ea, Eb) are respectively associated with each fiber-optic light guide (33, 34), and a clock circuit is used to alternately feed the light received by the respective receiver into the fiber-optic light guides. Comparison means are used to compare the signals on the receivers in order to identify the object.
    • 本发明涉及用于识别可通过移动元件(12)关闭的开口中的物体O的装置和方法。 光从光源(1,2)馈送到至少一个光纤光导(33,34)中,并且通过至少一个接收器(Ea,Eb)检测接收到的光的变化,光纤 光导光体至少部分地沿着开口(11)的边缘布置。 第一光纤光导件沿其长度横向发射光,然后所述光线被横向于其长度的第二光纤光导引入。 第二光纤光导(34)连接到接收器(Eb)。 光纤光导被布置在开口(11)的边缘上,使得产生至少部分桥接开口的光场(F)。 至少一个光源(1,2)和至少一个接收器(Ea,Eb)分别与每个光纤光导(33,34)相关联,并且时钟电路用于交替地馈送由 相应的接收器进入光纤光导。 比较装置用于比较接收机上的信号,以识别对象。
    • 2. 发明申请
    • Device and Method for Identifying an Object in or on a Closable Opening
    • 用于识别可关闭开口中或之上的对象的设备和方法
    • US20070221824A1
    • 2007-09-27
    • US11568239
    • 2005-05-14
    • Rolf MelcherFrank RottmannGerd ReimeAndreas RodewaldJuergen SetzerMichael DietzPeter Langer
    • Rolf MelcherFrank RottmannGerd ReimeAndreas RodewaldJuergen SetzerMichael DietzPeter Langer
    • H01L27/00
    • G01V8/22
    • The invention relates to a device and a method for identifying an object O in an opening that can be closed by means of a mobile element (12). Light is fed into at least one fibre-optic light guide (33, 34) from a light source (1, 2), and variations in the received light are detected by means of at least one receiver (Ea, Eb), the fibre-optic light guide being arranged at least partially along the edge of the opening (11). A first fibre-optic light guide sends light transversally to the length thereof, said light being then received by a second fibre-optic light guide transversally to the length thereof. The second fibre-optic light guide (34) is connected to the receiver (Eb). The fibre-optic light guides are arranged on the edge of the opening (11) in such a way that a light field (F) at least partially bridging the opening is produced. At least one light source (1, 2) and at least one receiver (Ea, Eb) are respectively associated with each fibre-optic light guide (33, 34), and a clock circuit is used to alternately feed the light received by the respective receiver into the fibre-optic light guides. Comparison means are used to compare the signals on the receivers in order to identify the object.
    • 本发明涉及用于识别可通过移动元件(12)关闭的开口中的物体O的装置和方法。 光从光源(1,2)馈送到至少一个光纤光导(33,34)中,并且通过至少一个接收器(Ea,Eb)检测接收到的光的变化,光纤 光导光体至少部分地沿着开口(11)的边缘布置。 第一光纤光导件沿其长度横向发射光,然后所述光线被横向于其长度的第二光纤光导引入。 第二光纤光导(34)连接到接收器(Eb)。 光纤光导被布置在开口(11)的边缘上,使得产生至少部分桥接开口的光场(F)。 至少一个光源(1,2)和至少一个接收器(Ea,Eb)分别与每个光纤光导(33,34)相关联,并且时钟电路用于交替地馈送由 相应的接收器进入光纤光导。 比较装置用于比较接收机上的信号,以识别对象。
    • 6. 发明授权
    • Method of detecting moving objects in chronologically successive images
    • 按时间顺序连续的图像检测移动物体的方法
    • US6069918A
    • 2000-05-30
    • US913892
    • 1997-09-11
    • Michael MeyerMichael HoetterFrank Rottmann
    • Michael MeyerMichael HoetterFrank Rottmann
    • H04N7/32G06K9/52G06T7/20H04N7/18
    • G06T7/202G06K9/52G06T2207/10016
    • A method for detecting moved objects in chronologically successive pictures is disclosed in which a current picture is divided into picture blocks and in each picture block a change of a picture signal of the current picture from that of a corresponding picture block of a first reference picture preceding the current picture is as certained , To detect the change the difference between the picture signals of the current picture and tho se of a second reference picture without moved objects is first compared pixel-precisely with a first threshold. If the first threshold is exceed, an object-oriented analysis of object size and/or shape takes place in which the picture signals corresponding to the moved object are compared with picture signals of a corresponding region of the first reference picture. For at least one moved object of the current picture that undershoots a size threshold, a motion vector is estimated. If the magnitude of the estimated motion vector exceeds a second threshold, the associated object is monitored chronologically and if a third threshold is exceed, then the object is immediately detected as a moved object. For the chronologically monitored objects, based on a third reference picture corresponding to a previous current picture object motion is estimated to predict a new object position in the current picture.
    • PCT No.PCT / DE96 / 02046 Sec。 371日期:1997年9月11日 102(e)1997年9月11日PCT PCT 1996年10月26日PCT公布。 公开号WO97 / 26622 日期1997年7月24日公开了一种用于检测按时间顺序连续的图像中的移动物体的方法,其中当前图像被划分为图像块,并且在每个图像块中,当前图像的图像信号与相应图像块的图像信号的改变 为了检测当前图像的图像信号与没有移动物体的第二参考图像的图像信号之间的差异,首先将像素精确地与第一阈值进行比较,来检测当前图像之前的第一参考图像。 如果第一阈值超过,则对象尺寸和/或形状进行面向对象分析,其中将与移动的对象相对应的图像信号与第一参考图像的相应区域的图像信号进行比较。 对于下一个尺寸阈值的当前图片的至少一个移动对象,估计运动矢量。 如果估计运动矢量的大小超过第二阈值,则按时间顺序监视相关对象,并且如果超过第三阈值,则立即将对象检测为移动的对象。 对于按时间顺序监视的对象,基于与先前当前图像对象运动相对应的第三参考图片被估计来预测当前图片中的新对象位置。