公开(公告)号：US20180249553A1

公开(公告)日：2018-08-30

申请号：US15967856

申请日：2018-05-01

Applicant: Gentex Corporation

Inventor： Barry K. Nelson ,  Jon H. Bechtel ,  Daniel G. McMillan ,  Spencer D. Reese

IPC: H05B37/02 ,  G01J1/42 ,  G01J1/46 ,  G01J1/04 ,  G01J1/26 ,  G01J1/02

CPC classification number: H05B37/0218 ,  G01J1/0403 ,  G01J1/26 ,  G01J1/4228 ,  G01J1/46 ,  G01J2001/0276

Abstract: A light sensor is provided that includes an exposed light transducer for accumulating charge in proportion to light incident thereon over an integration period; and a light-to-pulse circuit in communication with the exposed light transducer, the light-to-pulse circuit operative to output a pulse having a pulse width based on the charge accumulated by the exposed light transducer. The light-to-pulse circuit may include a one shot logic circuit that contributes to generation of the pulse. The light sensor may include an input/output pad, a capacitor provided at the input/output pad for blocking static electricity, an input low pass filter provided at the input/output pad for blocking electromagnetic interference, and/or a bandgap voltage reference circuit connected to a power source having a supply voltage level in a range of about 3.3V to about 5.0V, and for generating a set of stable reference voltages throughout the supply voltage level range.

公开(公告)号：US20180158435A1

公开(公告)日：2018-06-07

申请号：US15869556

申请日：2018-01-12

Applicant: Gentex Corporation

Inventor： Barry K. Nelson ,  Jon H. Bechtel ,  Daniel G. McMillan ,  Spencer D. Reese

IPC: G09G5/10 ,  G01J1/46 ,  G01J1/26 ,  G01J1/42 ,  B60R1/08 ,  G01J1/02

CPC classification number: G09G5/10 ,  B60R1/088 ,  G01J1/26 ,  G01J1/4228 ,  G01J1/46 ,  G01J2001/0276 ,  G09G2320/0626 ,  G09G2380/10

Abstract: A rearview assembly for a vehicle is provided that includes: a housing configured for mounting to the vehicle; a rearview element disposed in the housing that displays images of a scene exterior of the vehicle; a light sensor assembly disposed in the housing; and a controller for receiving the electrical signal of the light sensor and for adjusting a brightness of the images displayed by the rearview element. The light sensor includes a light sensor for outputting an electrical signal representing intensity of light impinging upon a light-receiving surface of the light sensor, and a secondary optical element configured to receive light, wherein the light passes through the secondary optical element to the light sensor, the secondary optical element including a tint material that is substantially color neutral for attenuating light passing therethrough.

公开(公告)号：US20170082874A1

公开(公告)日：2017-03-23

申请号：US15167326

申请日：2016-05-27

Applicant: VIAVI SOLUTIONS INC.

Inventor： Chris WAGNER ,  Grant TESSARO

IPC: G02F1/01 ,  G01J3/28 ,  H04B10/079 ,  H04B10/516 ,  G02F1/133 ,  H04B10/40

CPC classification number: G02F1/0121 ,  G01J1/0219 ,  G01J1/0228 ,  G01J1/0418 ,  G01J1/26 ,  G01J1/4257 ,  G01J3/28 ,  G01J2001/4247 ,  G01J2003/2859 ,  G02F1/13306 ,  H04B10/07955 ,  H04B10/40 ,  H04B10/516

Abstract: According to an example, a plurality of pixels of a modulator upon which an input light beam impinges may be modulated to apply a first asymmetrical attenuation pattern on the input light beam and to direct a first attenuated light beam from the modulator and a first power level of the first attenuated light beam may be measured. The plurality of pixels may be modulated to apply a second asymmetrical attenuation pattern on the input light beam and to direct a second attenuated light beam from the modulator, and a second power level of the second attenuated light beam may be measured. A difference between the first power level and the second power level may be calculated and a modified peak frequency for an attenuated light beam from the calculated difference may be calculated.

公开(公告)号：US20160379802A1

公开(公告)日：2016-12-29

申请号：US15161432

申请日：2016-05-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sejin OH ,  Dougyong SUNG ,  Kiho HWANG ,  Yun-Kwang JEON

IPC: H01J37/32 ,  G01J1/04 ,  G01J1/42 ,  C23C16/50 ,  C23C16/52

CPC classification number: G01J1/0407 ,  C23C16/50 ,  C23C16/52 ,  G01J1/0295 ,  G01J1/0422 ,  G01J1/0492 ,  G01J1/10 ,  G01J1/22 ,  G01J1/26 ,  G01J1/429 ,  G01J2001/242 ,  H01J37/32935 ,  H01J37/32972 ,  H01J37/3299

Abstract: An apparatus for monitoring vacuum ultraviolet, the apparatus including a light controller including a slit, the slit to transmit plasma emission light emitted from a process chamber in which a plasma process is performed on a substrate; a light selector adjacent to the light controller, the light selector selectively to transmit light, having a predetermined wavelength band, of the plasma emission light passing through the slit; a light collector to concentrate the light selectively transmitted by the light selector; and a detector to detect the light concentrated by the light collector, the light selectively transmitted by the light selector being vacuum ultraviolet.

Abstract translation: 一种用于监测真空紫外线的装置，该装置包括具有狭缝的光控制器，该狭缝用于传输从其中在基板上执行等离子体处理的处理室发射的等离子体发射光; 与所述光控制器相邻的光选择器，所述光选择器选择性地透射通过所述狭缝的等离子体发射光的具有预定波长带的光; 集光器，用于集中由选择器选择性地传输的光; 以及检测器，用于检测由光收集器集中的光，由选择器选择性地透射的光是真空紫外线。

公开(公告)号：US08674285B2

公开(公告)日：2014-03-18

申请号：US13665954

申请日：2012-11-01

Applicant: Donnelly Corporation

Inventor： John P. Drummond ,  Kenneth Schofield

IPC: H01J40/14 ,  G01J1/44

CPC classification number: G01J1/26 ,  B60R1/088 ,  G01J1/4204 ,  G01J1/46 ,  G02B27/01

Abstract: A vehicle interior rearview mirror system includes an interior rearview mirror assembly having a reflective element and ambient and glare light sensors. A control circuit is operable to establish a reflectance level of the reflective element. At least one of (a) the mirror system includes a charge accumulation device selectively connected with the ambient or glare light sensor and the control circuit establishes the ambient and glare light levels as a function of time for an output of the charge accumulation device to reach a reference level when connected to the respective light sensor, (b) a common element is used to measure outputs of the light sensors sequentially to correspond errors due to component variations, and (c) the mirror system includes temperature compensation of the glare and/or ambient light sensor and the temperature compensation is responsive to a reference light sensor that is substantially not exposed to light.

Abstract translation: 车辆内部后视镜系统包括具有反射元件和环境和眩光传感器的内部后视镜组件。 控制电路可操作以建立反射元件的反射率水平。 （a）镜系统中的至少一个包括与环境或眩光传感器选择性连接的电荷累积装置，并且控制电路根据电荷累积装置的输出达到的时间建立作为时间的函数的环境和眩光水平 当连接到相应的光传感器时，参考电平，（b）共同的元件用于顺序地测量光传感器的输出以对应于由于部件变化引起的误差，以及（c）镜系统包括眩光和/ 或环境光传感器，并且温度补偿响应于基本上不暴露于光的参考光传感器。

公开(公告)号：US20140043545A1

公开(公告)日：2014-02-13

申请号：US14113695

申请日：2012-04-20

Applicant: Atsuyuki Yamamoto ,  Ryo Kawamura

Inventor： Atsuyuki Yamamoto ,  Ryo Kawamura

IPC: F21V33/00

CPC classification number: G02B27/0025 ,  F21S2/00 ,  F21V23/0464 ,  F21V33/00 ,  F21W2131/405 ,  G01J1/26 ,  G01J1/4228 ,  G03B15/07 ,  H04N9/3182 ,  H04N9/3194

Abstract: Provided is a light projection device capable of irradiating light only onto an object (11). The light projection device includes: a light projector (1) in which an object (11) and a back surface of the object (11) are taken as a projectable range; a shadow region detector (2) that detects a shadow that occurs on the back surface of the object (11) by projection light (L1); and a controller (3) that corrects a shadow region (13) so that a projection region of the light projector (1) and the shadow region (13) can coincide with each other on the back surface of the object (11), sets the corrected shadow region 913) as a light projection range and sets, as a non-light projection range, a region other than the shadow region (13), and sets projection light (L1) projected onto the set light projection range, wherein the light projector (1) projects the projection light (L1) onto a range where the object (11) is present by projecting the set projection light onto the set light projection range.

Abstract translation: 提供了能够仅将光照射到物体（11）上的光投射装置。 光投射装置包括：物体（11）和物体（11）的后表面作为可投射范围的光投射器（1）; 阴影区域检测器（2），其通过投影光（L1）检测在物体（11）的背面上发生的阴影; 以及控制器（3），其校正阴影区域（13），使得投影仪（1）的投影区域和阴影区域（13）在物体（11）的背面上彼此一致，设置 校正阴影区域913）作为光投影范围，并且将作为非光投影范围的区域设置为阴影区域（13）以外的区域，并且设置投影到设定光投射范围上的投影光（L1），其中， 光投射器（1）通过将设置的投影光投影到设定的光投射范围上而将投影光（L1）投影到存在物体（11）的范围。

公开(公告)号：US08450677B2

公开(公告)日：2013-05-28

申请号：US12772844

申请日：2010-05-03

Applicant: Nigel G. Jones ,  Nicholas P. Nagrant

Inventor： Nigel G. Jones ,  Nicholas P. Nagrant

IPC: H01J40/14 ,  G01J1/44

CPC classification number: B60R1/088 ,  G01J1/04 ,  G01J1/0414 ,  G01J1/26 ,  G01J1/4204

Abstract: Methods and systems are provided for adjusting a reflectance of a mirror of a vehicle. A first sensor measures an ambient light condition outside the vehicle. A second sensor measures a glare from the mirror. A controller identifies a characteristic of the vehicle, and adjusts the reflectance of the mirror based on the characteristic, the ambient light condition, and the glare.

Abstract translation: 提供了用于调节车辆的反射镜的反射率的方法和系统。 第一传感器测量车辆外部的环境光条件。 第二个传感器测量镜子的眩光。 控制器识别车辆的特性，并且基于特性，环境光条件和眩光来调整反射镜的反射率。

公开(公告)号：US20110147570A1

公开(公告)日：2011-06-23

申请号：US13037440

申请日：2011-03-01

Applicant: John P. Drummond ,  Kenneth Schofield

Inventor： John P. Drummond ,  Kenneth Schofield

IPC: B60R1/08 ,  G01J1/44 ,  B60R1/12

CPC classification number: G01J1/26 ,  B60R1/088 ,  G01J1/4204 ,  G01J1/46 ,  G02B27/01

Abstract: A vehicular interior rearview mirror system includes an interior rearview mirror assembly, which includes an ambient light sensor operable to sense ambient light and a glare light sensor operable to sense glare light. A control is operable to establish a reflectance level of a transflective electrochromic reflective element of the mirror assembly and is responsive to light detection by the ambient light sensor and/or the glare light sensor. A backlit video screen is disposed behind the reflective element and is operable to display information through the mirror reflector of the reflective element. A display intensity control adjusts display intensity responsive to a light detection by the glare light sensor and/or the ambient light sensor and as a function of a ratio of a glare light value sensed by the glare light sensor to an ambient light value sensed by the ambient light sensor.

Abstract translation: 车辆内部后视镜系统包括内部后视镜组件，其包括可操作以感测环境光的环境光传感器和可操作以感测眩光的眩光传感器。 控制器可操作以建立反射镜组件的半透反射电致变色反射元件的反射率水平，并响应于环境光传感器和/或眩光传感器的光检测。 背光式视频屏幕设置在反射元件后面，并且可操作以通过反射元件的反射镜显示信息。 显示强度控制可以响应于眩光传感器和/或环境光传感器的光检测而调整显示强度，并且根据由眩光传感器感测到的眩光值与由眩光传感器感测的环境光值的比值 环境光传感器。

公开(公告)号：US07906756B2

公开(公告)日：2011-03-15

申请号：US12766150

申请日：2010-04-23

Applicant: John P. Drummond ,  Kenneth Schofield

Inventor： John P. Drummond ,  Kenneth Schofield

IPC: H01J40/14 ,  G01J1/44

CPC classification number: G01J1/26 ,  B60R1/088 ,  G01J1/4204 ,  G01J1/46 ,  G02B27/01

Abstract: A vehicle rearview mirror system includes an electrochromic transflective reflective element, an ambient light sensor operable to sense ambient light, a glare light sensor operable to sense glare light and a control circuit that is responsive to light detection by at least one of the ambient and glare light sensors and that establishes a reflectance level of the reflective element. The mirror system includes a display element disposed behind the transflective reflective element and operable to display information through the mirror reflector of the reflective element and viewable through the mirror reflector by a driver of the vehicle when the display element is displaying information, and substantially non-viewable by the driver of the vehicle when the display element is not displaying information. The system includes a display intensity control for adjusting display intensity responsive to light detection by at least one of the glare light sensor and ambient light sensor.

Abstract translation: 车辆后视镜系统包括电致变色半透反射元件，可操作以感测环境光的环境光传感器，可操作以感测眩光的眩光传感器和响应于至少一种环境和眩光的光检测的控制电路 光传感器，并建立反射元件的反射率水平。 反射镜系统包括设置在透反射反射元件之后的显示元件，可操作以在显示元件正在显示信息时通过反射元件的反射镜显示信息，并可通过车辆的驾驶员通过镜反射器观看， 当显示元件不显示信息时，可由车辆驾驶员查看。 该系统包括用于响应于至少一个眩光传感器和环境光传感器的光检测来调整显示强度的显示强度控制。

公开(公告)号：US07864330B2

公开(公告)日：2011-01-04

申请号：US12095378

申请日：2006-11-24

Applicant: Tetsuya Kawanishi ,  Masayuki Izutsu ,  Takahide Sakamoto ,  Masahiro Tsuchiya

Inventor： Tetsuya Kawanishi ,  Masayuki Izutsu ,  Takahide Sakamoto ,  Masahiro Tsuchiya

IPC: G01B9/02

CPC classification number: G01J1/08 ,  G01J1/0204 ,  G01J1/04 ,  G01J1/0418 ,  G01J1/0425 ,  G01J1/26

Abstract: It is an object of the present invention to provide a method and a device for automatically calibrating a light intensity measurement device. The device (1) includes an optical switch (3) for switching a route of output from an optical intensity modulator (2), an optical attenuator (5) arranged on a first waveguide (4), a second waveguide (6), a light intensity measurement device (7), a control device (8) for receiving light intensity information measured by the light intensity measurement device (7) and controlling the signal to be applied to the optical intensity modulator (2), and a signal source (9) for receiving a control signal of the control device (8) and adjusting the signal to be applied to the optical intensity modulator (2).

Abstract translation: 本发明的目的是提供一种用于自动校准光强测量装置的方法和装置。 装置（1）包括用于切换来自光强度调制器（2）的输出路线的光开关（3），布置在第一波导（4）上的光衰减器（5），第二波导（6）， 光强测量装置（7），用于接收由光强测量装置（7）测量的光强度信息并控制施加到光强度调制器（2）的信号的控制装置（8），以及信号源 9），用于接收控制装置（8）的控制信号并调整要施加到光强度调制器（2）的信号。