LIGHT INTENSITY DETECTING METHODS AND DEVICES, DISPLAY DEVICES AND STORAGE MEDIA
    181.
    发明申请
    LIGHT INTENSITY DETECTING METHODS AND DEVICES, DISPLAY DEVICES AND STORAGE MEDIA 有权
    光强度检测方法和设备,显示设备和存储介质

    公开(公告)号:US20090296078A1

    公开(公告)日:2009-12-03

    申请号:US12473197

    申请日:2009-05-27

    Inventor: Yoshikazu MATSUI

    Abstract: A light intensity detecting device is provided to detect a light intensity according to pulse duration of a pulse signal without being affected by noise, including: a time measuring unit for measuring an elapsed time period of the pulse signal that has been raised; a signal state discriminating unit for obtaining a state of the pulse signal; a sampling unit for directing the signal state discriminating unit to obtain the state at a sampling interval corresponding to the elapsed time period; and a falling detecting unit for detecting the pulse signal that has been fallen when a fallen state of the pulse signal is successively obtained for two times. When the fallen pulse signal is detected, the sampling unit directs the signal state discriminating unit to obtain the state of the pulse signal at a time point, which is output as the pulse duration of the pulse signal.

    Abstract translation: 提供了一种光强检测装置,用于根据脉冲信号的脉冲持续时间来检测光强度而不受噪声影响,包括:时间测量单元,用于测量已经提高的脉冲信号的经过时间段; 信号状态判别单元,用于获得脉冲信号的状态; 采样单元,用于指示所述信号状态判别单元以与所述经过时间段对应的采样间隔获得所述状态; 以及下降检测单元,用于当连续获得脉冲信号的下降状态两次时,检测已经下降的脉冲信号。 当检测到下降的脉冲信号时,采样单元引导信号状态判别单元获取作为脉冲信号的脉冲持续时间输出的时间点的脉冲信号的状态。

    LIGHT BEAM RECEIVER WITH INTERFERENCE SIGNAL SUPPRESSION
    183.
    发明申请
    LIGHT BEAM RECEIVER WITH INTERFERENCE SIGNAL SUPPRESSION 有权
    具有干扰信号抑制的光束接收器

    公开(公告)号:US20090244520A1

    公开(公告)日:2009-10-01

    申请号:US12059401

    申请日:2008-03-31

    Applicant: Mirko Essling

    Inventor: Mirko Essling

    CPC classification number: G01C15/006 G01J1/02 G01J1/0228 G01J1/4228 G01J1/4257

    Abstract: An improved laser light beam receiver rejects unwanted pulses of optical energy, such as strobe lights or other flashes of light, that can occur on a jobsite. The receiver analyzes a light beam reception by using a photosensitive light beam detector arrangement and a separate photoelectric detector serving as an interference signal detector. This additional detector is not easily able to detect the light beams needed in normal operation. On the other hand, the additional detector does detect mostly all interfering light flashes—caused by flash lamps and other similar devices—whose threshold limit is either at the same level or below that of the light beam detector arrangement. An evaluating circuit such as a microcontroller correlates the time of reception of the light beam detector arrangement and the interference signal detector in order to discard the result if the times of reception correspond to a major extent.

    Abstract translation: 改进的激光束接收器拒绝可能发生在工地上的不必要的光能脉冲,例如闪光灯或其它闪光灯。 接收机通过使用感光光束检测器装置和用作干扰信号检测器的单独光电探测器来分析光束接收。 该附加的检测器不能容易地检测正常操作中所需的光束。 另一方面,附加检测器主要检测由闪光灯和其他类似装置引起的所有干扰光闪烁,其阈值限制在与光束检测器装置的阈值相同或更低的水平。 诸如微控制器的评估电路将光束检测器装置的接收时间与干扰信号检测器相关联,以便如果接收时间在很大程度上相应地丢弃结果。

    System and method for fire detection
    184.
    发明授权
    System and method for fire detection 失效
    火灾探测系统和方法

    公开(公告)号:US07256401B2

    公开(公告)日:2007-08-14

    申请号:US10898695

    申请日:2004-07-23

    Abstract: A system and method for detecting radiation indicative of fire, such as forest fire. In one embodiment, a threshold energy level is determined based on ambient sensor conditions. A sensor unit may be setup to scan a predetermined area for electromagnetic radiation. Any detected electromagnetic radiation may then be band pass filtered to a wavelength range centered about a predetermined frequency associated with the presence of fire. The resulting energy level signal may then be further filter to pass only those signals which exhibit a “flicker” frequency. If the resulting filtered signal exceeds the threshold signal, a fire notification signal may then be generated.

    Abstract translation: 用于检测指示火灾的辐射的系统和方法,例如森林火灾。 在一个实施例中,基于环境传感器条件来确定阈值能级。 可以设置传感器单元以扫描预定区域以进行电磁辐射。 然后,任何检测到的电磁辐射可以被带通滤波成以与火的存在相关联的预定频率为中心的波长范围。 所得到的能级信号然后可以进一步过滤,以仅通过那些呈现“闪烁”频率的信号。 如果所得到的滤波信号超过阈值信号,则可以产生火情通知信号。

    Dynamic range measurement and calculation of optical keyless entry sensor
    185.
    发明申请
    Dynamic range measurement and calculation of optical keyless entry sensor 失效
    光学无钥匙进入传感器的动态范围测量和计算

    公开(公告)号:US20070071448A1

    公开(公告)日:2007-03-29

    申请号:US11234466

    申请日:2005-09-23

    Applicant: Wenwei Zhang

    Inventor: Wenwei Zhang

    Abstract: An optical keyless entry sensor system and method includes an optical sensor in association with a mirror that reflects light transmitted from the optical sensor, wherein reflected light is detectable by the optical sensor. An attenuation filter can be located between the mirror and the optical sensor, wherein the attenuation filter is configured to simulate a contamination of the optical sensor in order to determine an exact level of attenuation representative of contamination that causes a performance failure of the optical sensor, thereby providing data which is indicative of a dynamic range of the optical sensor, such that the dynamic range is utilized to enhance the performance of the optical keyless entry sensor system.

    Abstract translation: 光学无钥匙进入传感器系统和方法包括与反射从光学传感器传输的光相关联的光学传感器,其中反射光可由光学传感器检测。 衰减滤波器可以位于反射镜和光学传感器之间,其中衰减滤波器被配置为模拟光学传感器的污染,以便确定代表导致光学传感器的性能故障的污染的精确水平的衰减, 从而提供指示光学传感器的动态范围的数据,使得动态范围被用于增强光学无钥匙进入传感器系统的性能。

    Ultraviolet ray measuring method and ultraviolet ray measuring device

    公开(公告)号:US20060076501A1

    公开(公告)日:2006-04-13

    申请号:US10961197

    申请日:2004-10-12

    Applicant: Shigeru Yagi

    Inventor: Shigeru Yagi

    CPC classification number: G01J1/429 G01J1/0228 G01J1/0247 G01J2001/4266

    Abstract: An ultraviolet ray measuring method using an ultraviolet ray receiving element having a specific spectral sensitivity. The method includes: estimating an estimated value of an entire region from the spectral sensitivity of the ultraviolet ray receiving element and a solar spectral radiation spectrum; estimating an estimated value of a specific region from a specific action curve and the spectral sensitivity and the solar spectral radiation spectrum; and determining specific ultraviolet ray information by, on the basis of the estimated value of the entire region and the estimated value of the specific region, correcting an actually measured value which is measured by the ultraviolet ray receiving element. Further, specific ultraviolet information, which is obtained on the basis of sun altitude information, is also corrected.

    Method and apparatus for measuring bandwidth of a laser output
    188.
    发明授权
    Method and apparatus for measuring bandwidth of a laser output 有权
    用于测量激光输出带宽的方法和装置

    公开(公告)号:US06952267B2

    公开(公告)日:2005-10-04

    申请号:US10615321

    申请日:2003-07-07

    Inventor: Robert J. Rarac

    Abstract: A method and apparatus for measuring bandwidth of light emitted from a laser which may comprise: first and second wavelength sensitive optical bandwidth detectors providing, respectively, an output representative of a first parameter indicative of the bandwidth of the emitted light as measured respectively by the first and second bandwidth detectors, and an actual bandwidth calculation apparatus adapted to utilize these two outputs as part of a multivariable linear equation employing predetermined calibration variables specific to either the first or the second bandwidth detector, to calculate a first actual bandwidth parameter or a second actual bandwidth parameter. The first actual bandwidth parameter may be a spectrum full width at some percent of the maximum (“FWXM”), and the second actual bandwidth parameter may be a portion containing some percentage of the energy (“EX”). The first and second bandwidth detectors may an etalon and the outputs may be representative of a fringe width of a fringe of an optical output of the respective etalon at FWXM. The precomputed calibration variables may be derived from respective three dimensional plots representing, respectively, detector outputs in relation to a calibrating input light with known values of the first and second actual bandwidth parameters.

    Abstract translation: 一种用于测量从激光器发射的光的带宽的方法和装置,其可以包括:第一和第二波长敏感光学带宽检测器,分别提供表示第一参数的输出,所述第一参数指示所发射的光的带宽,分别由第一 和第二带宽检测器,以及实际带宽计算装置,其适用于利用这两个输出作为使用特定于第一或第二带宽检测器的预定校准变量的多变量线性方程的一部分来计算第一实际带宽参数或第二实际带宽参数 带宽参数。 第一实际带宽参数可以是在最大值的一些百分比(“FWXM”)的频谱全宽,并且第二实际带宽参数可以是包含能量的一部分(“EX”)的部分。 第一和第二带宽检测器可以是标准具,并且输出可以代表FWXM处的各个标准具的光输出的边缘的边缘宽度。 预先计算的校准变量可以从相应的三维图得出,分别表示相对于具有第一和第二实际带宽参数的已知值的校准输入光的检测器输出。

    Sensor configuration for substantial spacing from a small aperture
    189.
    发明申请
    Sensor configuration for substantial spacing from a small aperture 有权
    传感器配置与小孔径相距很远

    公开(公告)号:US20030127583A1

    公开(公告)日:2003-07-10

    申请号:US10068540

    申请日:2002-02-08

    Abstract: The inventive sensor device includes a support structure, a sensing element mounted on the support substrate for sensing optical radiation and generating an electrical output signal in response thereto, and an encapsulant encapsulating the sensing element on the support structure. The encapsulant being configured to define a lens portion for focusing incident optical radiation onto an active surface of the sensing element, and an optical radiation collector portion surrounding the lens portion for collecting and redirecting optical radiation that is not incident the lens portion onto the active surface of the sensing element. The collector portion may be a parabolic reflector that reflects incident light by total internal reflection. The sensor device may be incorporated into an assembly including a diffuser positioned across an aperture, and/or may be incorporated into a vehicle accessory such as a rearview mirror assembly.

    Abstract translation: 本发明的传感器装置包括支撑结构,安装在支撑基板上的感测元件,用于感测光辐射并响应于此产生电输出信号,以及将感测元件封装在支撑结构上的密封剂。 密封剂被配置为限定用于将入射光辐射聚焦到感测元件的有效表面上的透镜部分,以及围绕透镜部分的光学辐射收集器部分,用于收集并重定向未入射到透镜部分的有源表面的光学辐射 的传感元件。 收集器部分可以是通过全内反射来反射入射光的抛物面反射器。 传感器装置可以结合到包括跨过孔的扩散器的组件中,和/或可以被结合到诸如后视镜组件的车辆附件中。

    System and method of light spot position and color detection
    190.
    发明申请
    System and method of light spot position and color detection 失效
    光点位置和颜色检测的系统和方法

    公开(公告)号:US20030025068A1

    公开(公告)日:2003-02-06

    申请号:US10207855

    申请日:2002-07-31

    Abstract: A position and color detection sensor (for detecting a position of a light spot in a light distribution that can include stray light components, e.g. from other lasers, ambient lighting etc.) includes two discrete response position sensitive detectors (DRPSDs). The first DRPSD is used to calculate a raw estimate of the spot position and the second DRPSD is used to calculate the actual spot position based on information from the first DRPSD. Color is supported by further dividing each pixel of the first DRPSD into elementary photocells, each one covered with an appropriate optical filter. The use of two DRPSDs differing in pixel geometries makes them suitable for integration on the same chip using the same process. This reduces production and alignment costs. Further, analogue microelectronic processes can be used for color filter deposition and simple optics can be used for beam splitting and shaping.

    Abstract translation: 位置和颜色检测传感器(用于检测光分布中的光斑的位置,其可以包括诸如来自其他激光器的杂散光分量,环境照明等)包括两个离散的响应位置敏感检测器(DRPSD)。 第一个DRPSD用于计算点位置的原始估计,第二个DRPSD用于基于来自第一个DRPSD的信息计算实际点位置。 通过将第一DRPSD的每个像素进一步划分为基本光电池来支持颜色,每个像素覆盖有适当的滤光器。 使用两个像素几何不同的DRPSD,使得它们适用于使用相同工艺在同一芯片上进行集成。 这降低了生产和校准成本。 此外,模拟微电子工艺可以用于滤色器沉积,并且简单的光学器件可以用于分束和成形。

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