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公开(公告)号:US20180278927A1
公开(公告)日:2018-09-27
申请号:US15926184
申请日:2018-03-20
Applicant: AZBIL CORPORATION
Inventor: Kouichiro Murata
CPC classification number: H04N17/004 , G01J1/0228 , G01J1/16 , G01J1/18 , G01J2001/1615 , G01N21/93 , G02F1/1309 , G05B23/0283
Abstract: A diagnosis unit determines a first degradation degree of a display device on the basis of a measured illuminance calculated from an output of a photo sensor, compares the first degradation degree with a degradation threshold, and outputs a corresponding diagnosis when the first degradation degree reaches the degradation threshold.
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公开(公告)号:US10072976B2
公开(公告)日:2018-09-11
申请号:US14493219
申请日:2014-09-22
Applicant: ams AG
Inventor: Gonggui Xu
CPC classification number: G01J1/46 , G01J1/18 , G01J2001/444 , H03M1/10 , H03M1/12
Abstract: An optical sensor arrangement (10) comprises a light sensor (11), a current source (41), an analog-to-digital converter (12) and a switch (44) which selectively couples the light sensor (11) or the current source (41) to an input (14) of the analog-to-digital converter (12).
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公开(公告)号:US20180183208A1
公开(公告)日:2018-06-28
申请号:US15658001
申请日:2017-07-24
Applicant: Axon Enterprise, Inc.
Inventor: Magne NERHEIM
CPC classification number: H01S5/0683 , F41G1/35 , F41G1/545 , F41H13/0025 , G01J1/18 , G01J1/32 , G01J1/4257 , H01S5/042 , H01S5/0617 , H01S5/06808 , H01S5/06825 , H05C1/00
Abstract: Systems and methods for calibrating, operating, and setting the magnitude of the power of light provided by a laser diode in a conducted electrical weapon (“CEW”). The light of the laser diode assists in targeting by providing a visible indication of the projected point of impact of the tethered electrode of the CEW. The calibration process enables laser diode of a CEW to operate within regional guidelines of the maximum output power of light permitted by a laser. The method further permits the magnitude of the power of the light provided by a laser diode to be set and operated in changing environmental conditions in the field.
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公开(公告)号:US20180164155A1
公开(公告)日:2018-06-14
申请号:US15890533
申请日:2018-02-07
Applicant: STMicroelectronics (Grenoble 2) SAS
Inventor: Pascal Mellot
CPC classification number: G01J1/4204 , G01J1/18 , G01J1/42 , G01J1/44 , G01J2001/4426 , H04N1/00917
Abstract: The following steps are performed in connection with a photodiode circuit: a) resetting the photodiode circuit; b) determining when a photodiode voltage changes in response to illumination to reach a threshold; and c) updating a counter in response to the determination in step b). The steps a) to c) are repeated until an end of a measurement period is reached. The value of the counter at the end of the measurement period is then output to indicate an intensity of the illumination.
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公开(公告)号:US20180156660A1
公开(公告)日:2018-06-07
申请号:US15828209
申请日:2017-11-30
Applicant: Fitbit, Inc.
Inventor: Félix Antoine TURGEON , Sebastian Joseph CAPELLA , Subramaniam Venkatraman , Shelten Gee Jao Yuen , Heiko Gernot Albert Panther
CPC classification number: G01J1/4204 , A61B5/01 , A61B5/021 , A61B5/024 , A61B5/02405 , A61B5/0533 , A61B5/14532 , A61B5/1455 , A61B5/489 , A61B5/681 , A61B5/742 , G01J1/0204 , G01J1/0219 , G01J1/0271 , G01J1/0407 , G01J1/18 , G01J1/32 , G01J1/44 , G01J1/46 , G01J2001/0257 , G01J2001/182 , G01J2001/4406 , G01J2001/444 , G06K9/2027 , G06K2009/00939 , G09G5/10 , G09G2320/0626 , G09G2354/00 , G09G2360/144 , G09G2380/08
Abstract: A wearable computing device includes an electronic display with a configurable brightness level setting, a physiological metric sensor system including a light source configured to direct light into tissue of a user wearing the wearable computing device and a light detector configured to detect light from the light source that reflects back from the user. The device may further include control circuitry configured to activate the light source during a first period, generate a first light detector signal indicating a first amount of light detected by the light detector during the first period, deactivate the light source during a second period, generate a second light detector signal indicating a second amount of light detected by the light detector during the second period, generate a physiological metric based at least in part on the first light detector signal and the second light detector signal, and modify the configurable brightness level setting based on the second light detector signal.
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公开(公告)号:US09952095B1
公开(公告)日:2018-04-24
申请号:US14618664
申请日:2015-02-10
Applicant: Apple Inc.
Inventor: Steven P. Hotelling , Marcelo M. Lamego
IPC: G01J1/44 , A61B5/021 , A61B5/024 , A61B5/08 , A61B5/11 , A61B5/1455 , A61B5/145 , A61B5/00 , A61B5/01
CPC classification number: G01J1/44 , A61B5/02427 , A61B5/7225 , A61B5/7228 , G01J1/0228 , G01J1/18 , G01J2001/0257 , G01J2001/4242 , G01J2001/444
Abstract: An electronic device includes one or more light sources for emitting light toward a body part of a user and one or more optical sensors for capturing light samples while each light source is turned on and for capturing dark samples while the light source(s) are turned off. A signal produced by the one or more optical sensors is filtered and demodulated produce multiple demodulated signals each associated with a light source. Each signal associated with the light source(s) is analyzed to estimate or determine a physiological parameter of the user.
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公开(公告)号:US20180058926A1
公开(公告)日:2018-03-01
申请号:US15436108
申请日:2017-02-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Yun Jae SUH , Sung Ho KIM , Jun Seok KIM
CPC classification number: G01J1/44 , G01J1/0238 , G01J1/18 , G01J2001/446 , H03F1/223 , H03F1/342 , H03F3/082
Abstract: A data output device is provided. The data output device includes a converter circuit configured to generate a conversion signal based on an output signal; a boosting circuit configured to generate a boosting signal based on the output signal; and an output circuit configured to generate the output signal based on an input signal and a feedback signal, the feedback signal being based on the conversion signal and the boosting signal.
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公开(公告)号:US20170292874A1
公开(公告)日:2017-10-12
申请号:US15626763
申请日:2017-06-19
Applicant: ABL IP HOLDING LLC
Inventor: David P. Ramer , Jack C. Rains, JR. , Januk Aggarwal
CPC classification number: G01J1/08 , F21V7/0008 , F21V33/00 , F21Y2101/00 , F21Y2113/13 , F21Y2115/10 , G01J1/18 , G01N21/55 , G01N21/64
Abstract: A system with a machine and a lighting device. The machine includes an image capture device and a machine vision processing system configured to detect a characteristic of a subject in a space for an operation of the machine. The lighting device includes a first light source for generating light to illuminate the space, and a second light source for generating light of a particular wavelength to support detection of the characteristic of the subject via the machine vision processing system. The light of the particular wavelength is output at a sufficient intensity reasonably expected to produce a particular emission from the subject detectable via the image capture device different from an emission produced by exposure of the subject to the light for illumination of the space. The first and second light sources are integrated into the lighting device.
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公开(公告)号:US09595934B2
公开(公告)日:2017-03-14
申请号:US14829490
申请日:2015-08-18
Applicant: Seek Thermal, Inc.
Inventor: Jason Wolfe , William J. Parrish , Ross Williams
CPC classification number: H03G3/3084 , G01J1/18 , G01J1/44 , G01J5/22 , G01J5/34 , G01J2001/4406 , G01J2001/444 , G01J2005/0048 , G01J2005/0077 , G01R27/2605 , H01G7/00 , H04N5/33 , H04N5/3651 , H04N5/3655
Abstract: An imaging system includes an array of photodetectors and electronic circuitry associated with the photodetectors to read intensity values from the photodetectors. The electronic circuitry can include an integrator with an integrator capacitor having a nominal capacitance, wherein a gain of the electronic circuitry associated with a photodetector can depend at least in part on the actual capacitance of the integrator capacitor, the actual capacitance differing from the nominal capacitance. The imaging system can be configured to determine a gain factor that depends at least in part on the actual capacitance and/or a signal voltage input to the integrator. The imaging system can be configured to apply the gain factor based at least in part on the actual capacitance of the integrator capacitor calculated. The imaging system can be a thermal imaging system and may include an infrared camera core.
Abstract translation: 成像系统包括与光电检测器相关联的光电检测器和电子电路的阵列,以从光电检测器读取强度值。 电子电路可以包括具有标称电容的积分器电容器的积分器,其中与光电检测器相关联的电子电路的增益至少部分取决于积分电容器的实际电容,实际电容不同于标称电容 。 成像系统可以被配置为确定至少部分地取决于输入到积分器的实际电容和/或信号电压的增益因子。 成像系统可以被配置为至少部分地基于所计算的积分电容器的实际电容来施加增益因子。 成像系统可以是热成像系统,并且可以包括红外相机芯。
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公开(公告)号:US09411180B2
公开(公告)日:2016-08-09
申请号:US13354827
申请日:2012-01-20
Applicant: Jacques Gollier , Shandon Dee Hart , Garrett Andrew Piech , James Andrew West
Inventor: Jacques Gollier , Shandon Dee Hart , Garrett Andrew Piech , James Andrew West
IPC: G01R31/26 , G02F1/13 , G01J1/18 , G02F1/1335 , G01J1/42
CPC classification number: G02F1/1309 , G01J1/18 , G01J1/4228 , G01J2001/4247 , G02F1/133502
Abstract: An apparatus and method for determining and quantifying “sparkle”—the random noise that is generated when a pixelated image is viewed through a roughened surface of a transparent sample. The apparatus includes a pixelated source and an imaging system located in an optical path originating from the pixelated source, wherein a transparent sample may be placed in the optical path between the pixelated source and the optical system. The degree of sparkle is determined by obtaining an integrated image for the pixelated image; and calculating a standard deviation of the integrated pixel power. An objective level of sparkle can be defined by correlating the amount of sparkle provided by the apparatus with visual impressions.
Abstract translation: 用于确定和量化“闪烁”的装置和方法 - 当通过透明样品的粗糙表面观察像素化图像时产生的随机噪声。 该装置包括位于源自像素化源的光路中的像素化源和成像系统,其中可以将透明样品放置在像素化源和光学系统之间的光路中。 通过获得用于像素化图像的积分图像来确定闪光度; 并计算积分像素功率的标准偏差。 可以通过将设备提供的闪光量与视觉印象相关联来定义闪光的客观水平。
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