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    • 1. 发明申请
    • TIME-OF-FLIGHT SENSOR
    • 飞行时间传感器
    • WO2011020921A1
    • 2011-02-24
    • PCT/EP2010/062202
    • 2010-08-20
    • IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.FRANKE, MichaelSCHREIBER, RonaldUHLMANN, BerndtWERNER, Jörg
    • FRANKE, MichaelSCHREIBER, RonaldUHLMANN, BerndtWERNER, Jörg
    • G01S7/491G01S17/36G01S17/89
    • G01S17/89G01S7/491G01S17/36
    • An imager configured to operate according to the time-of-flight principle, comprises an illumination unit for illuminating a scene with intensity-modulated light; an array of pixels, each of said pixels configured for integrating charge induced therein by light impinging onto said pixel and for converting said light into a demodulated pixel signal; an output module configured to read out the signal of the pixels after a predetermined integration time; and control module for controlling the operation of the pixels of said pixel array and the output module. According to the invention, the imager further comprises a signal storage module associated to said array of pixels and a transfer module for transferring a signal from said pixels of said array of pixels into a corresponding storage area of said signal storage module, wherein said transfer module is configured for executing, during said predetermined integration time, a plurality of transfer operations for each pixel, and wherein said output module is configured to read out the integrated signal of the pixels after the predetermined integration time from the corresponding storage areas of said signal storage module.
    • 一种被配置为根据飞行时间原理操作的成像器,包括用强度调制光照亮场景的照明单元; 像素阵列,每个所述像素被配置为用于将通过光照射到所述像素上的光诱导的电荷积分并将所述光转换成解调像素信号; 输出模块,被配置为在预定的积分时间之后读出像素的信号; 以及用于控制所述像素阵列和所述输出模块的像素的操作的控制模块。 根据本发明,成像器还包括与所述像素阵列相关联的信号存储模块和用于将来自所述像素阵列的所述像素的信号传输到所述信号存储模块的对应存储区域中的传输模块,其中所述传送模块 被配置为在所述预定积分时间期间执行针对每个像素的多个传送操作,并且其中所述输出模块被配置为在来自所述信号存储器的对应存储区域的预定积分时间之后读出所述像素的积分信号 模块。
    • 6. 发明申请
    • IMAGER WITH SUPPRESSION OF BACKGROUND LIGHT AND CORRESPONDING METHOD
    • 具有抑制背景光的图像和相关方法
    • WO2011020629A1
    • 2011-02-24
    • PCT/EP2010/055270
    • 2010-04-21
    • IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.BAUER, AndreasFRANKE, Michael
    • BAUER, AndreasFRANKE, Michael
    • G01S7/487G01S17/08H04N3/15H04N5/335
    • G01S7/487G01S17/08H04N5/3651
    • An imager comprises an illumination unit for illuminating a scene with intensity-modulated light; an oscillator for feeding an oscillating modulation signal to said illumination unit; an array of lock-in pixels, each of said pixels comprising at least two integration storages; a driver module operatively connected to said array of lock-in pixels to control each lock-in pixel to integrate charge induced therein during at least two time intervals corresponding to at least two phases of said modulation signal into a respective one of said integration storages, and to provide a set of response signals containing at least two response signals indicative of the charge integrated into the corresponding integration storages; and a processing unit configured to derive a modulation phase and a modulation amplitude of the light impinging on each of said lock-in pixels based on said set of response signals and to compute range information of said scene based on said measured modulation phase and to output said computed range information. The imager further comprises a detection module configured to detect a level of a DC component of the response signals, a charge compensation module and a control module operatively connected to said detection module and said charge compensation module, said control module to control said charge compensation module to compensate a predefined amount of the charges in said at least two integration storages if a predetermined level of the DC component is detected in said at least two integration storages.
    • 成像器包括用强度调制光照亮场景的照明单元; 用于向所述照明单元馈送振荡调制信号的振荡器; 锁定像素阵列,每个所述像素包括至少两个积分存储器; 驱动器模块,其可操作地连接到所述锁定像素阵列,以控制每个锁定像素,以将对应于所述调制信号的至少两个相位的至少两个时间间隔期间引入的电荷积分到所述集成存储器中的相应一个中, 并且提供一组响应信号,该响应信号包含指示集成到相应的集成存储器中的电荷的至少两个响应信号; 以及处理单元,被配置为基于所述一组响应信号导出入射在每个所述锁定像素上的光的调制相位和调制幅度,并且基于所述测量的调制相位计算所述场景的范围信息,并输出 所述计算的范围信息。 成像器还包括检测模块,其被配置为检测响应信号的DC分量的电平,电荷补偿模块和可操作地连接到所述检测模块和所述电荷补偿模块的控制模块,所述控制模块控制所述电荷补偿模块 如果在所述至少两个集成存储器中检测到DC分量的预定水平,则补偿所述至少两个积分存储器中的预定量的电荷。
    • 10. 发明申请
    • VERFAHREN UND SCHALTUNGSANORDNUNG ZUR DETEKTION EINES FÜLLSTANDS EINER FLÜSSIGKEIT
    • 方法与电路检测液体的水平
    • WO2004106866A2
    • 2004-12-09
    • PCT/EP2004/004240
    • 2004-04-22
    • BRAUN GmbHFRANKE, MichaelWOHLRABE, Frank
    • FRANKE, MichaelWOHLRABE, Frank
    • G01F23/24
    • G01F23/266G01F23/265
    • Die Erfindung betrifft ein Verfahren zur Detektion eines Füllstands einer Flüssigkeit (6) in einem Behälter (7), der eine Füllstands-Messelektrode (8) aufweist, bei dem in einem ersten Schritt an die Füllstands-Messelektrode (8) für eine erste Zeitspanne eine bestimmte Spannung angelegt wird, danach in einem zweiten Schritt eine zweite Zeitspanne abgewartet wird, und danach in einem dritten Schritt die Spannung an der Füllstands-Messelektrode (8) detektiert oder gemessen wird. Eine zur Durchführung des erfindungsgemässen Verfahrens geeignete Schaltungsanordnung zur Detektion eines Füllstands einer Flüssigkeit (6) in einem Behälter (7), der eine Füllstands-Messelektrode (8) aufweist, weist ein Integrierglied (3) und eine Messschaltung (1) mit einem Anschluss (2) auf, der über das Integrierglied (3) mit der Füllstands-Messelektrode (8) verbindbar ist.
    • 本发明涉及一种用于在一个容器检测(7)具有一个电平测量电极的液体(6)的电平(8),其中在第一步骤中,以电平测量电极(8),用于在第一时间周期的 预定的电压被施加,随后的第二时间段中的第二步骤中等待,并然后在第三步骤中检测到,在电平测量电极(8)或测得的电压。 适用于进行本发明的方法,电路装置用于在容器检测液体(6)的电平的装置(7)具有一个液位测量电极(8)包括一个积分器(3)和(1)具有一个测量电路的端口( 2),其经由所述积分器(3)的电平测量电极(8)相连接。