公开(公告)号：US09927291B2

公开(公告)日：2018-03-27

申请号：US14727918

申请日：2015-06-02

Applicant: STMicroelectronics (Grenoble 2) SAS

Inventor： Pascal Mellot

IPC: G01J1/42 ,  G01J1/44 ,  G01J1/18 ,  H04N1/00

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.

公开(公告)号：US20180078140A1

公开(公告)日：2018-03-22

申请号：US15448606

申请日：2017-03-03

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Ikkan MIKAMI

IPC: A61B5/00 ,  G01J1/18 ,  A61B5/021 ,  A61B5/1455

CPC classification number: A61B5/0059 ,  A61B5/02108 ,  A61B5/14552 ,  A61B5/4884 ,  A61B5/7225 ,  G01J1/18 ,  G01J2001/188

Abstract: A biological signal detection device includes a reference pulse generation unit, a photo-reflector, a reference voltage control unit, a variation amount detection unit, and a biological signal generation unit. The reference pulse generation unit generates a reference pulse train having a variable frequency. The photo-reflector generates a photo-reflector output signal train in response to the reference pulse train. The reference voltage control unit provides a reference voltage. The variation amount detection unit receives the reference voltage and the photo-reflector signal train and generates a variation amount detection signal train. The variation amount detection signal train is provided to the biological signal generation unit to correct the frequency of the reference signal pulse train and to the reference voltage control unit to adjust the reference voltage signal. Adjusting the frequency of the reference pulse signal train improves sensitivity and adjusting the reference voltage signal maintains accuracy of the device.

公开(公告)号：US09835490B2

公开(公告)日：2017-12-05

申请号：US14812847

申请日：2015-07-29

Applicant: Voxtel, Inc.

Inventor： George Williams ,  Andrew Huntington

IPC: G01J1/44 ,  G01J1/18

CPC classification number: G01J1/18 ,  G01J1/44

Abstract: The output of an avalanche photodiode (APD) comprises a “photocurrent” component comprising photon initiated events resulting from the interaction of photons with the APD and a “dark current” component comprising dark carrier events arising in the APD even when the APD is not exposed to light. Differences in the pulse height distributions of photon initiated events and dark carrier initiated events are used to statistically discriminate between photocurrent and dark current components of APD output.

公开(公告)号：US20170261373A1

公开(公告)日：2017-09-14

申请号：US15604838

申请日：2017-05-25

Applicant: PINNACLE IMAGING CORPORATION

Inventor： VANJUSHIN IGOR' VALER'EVICH ,  KLIMKOVICH ANTON GRIGOR'EVICH ,  VOLODIN EVGEUIJ BORISOVICH

IPC: G01J1/44 ,  G01J1/18 ,  H01L27/146 ,  H03M1/34

CPC classification number: G01J1/44 ,  G01J1/18 ,  G01J2001/186 ,  G01J2001/446 ,  H01L27/14609 ,  H03M1/34

Abstract: A light-detecting device and method for converting optical radiation on switched conductivity diodes. The device comprises one or more photosensitive cells connected to address and signal lines, each cell comprising the following elements connected in series: a photodetector, an initial charge input circuit, a charge converter for converting the charge generated by the photodetector signal in addition to the initial charge into photodetector output voltage, a comparator which converts the difference between the photodetector output voltage and reference voltage into a digital cell signal, a reading circuit for reading the digital cell signal through the address lines and the signal lines, a circuit for generating digital codes of the cell signal, a random access memory for storing the digital codes, a reading circuit for reading the digital codes of the cell signals on one or more outputs of the light-detecting device.

公开(公告)号：US09752929B2

公开(公告)日：2017-09-05

申请号：US14272661

申请日：2014-05-08

Applicant: PINNACLE IMAGING CORPORATION

Inventor： Vanjushin Igor′ Valer'evich ,  Klimkovich Anton Grigor'evich ,  Volodin Evgeuij Borisovich

IPC: G01J1/42 ,  G01J1/44 ,  G01J1/18 ,  H01L27/146 ,  H03M1/34

CPC classification number: G01J1/44 ,  G01J1/18 ,  G01J2001/186 ,  G01J2001/446 ,  H01L27/14609 ,  H03M1/34

Abstract: A light-detecting device and method for converting optical radiation on switched conductivity diodes. The device comprises one or more photosensitive cells connected to address and signal lines, each cell comprising the following elements connected in series: a photodetector, an initial charge input circuit, a charge converter for converting the charge generated by the photodetector signal in addition to the initial charge into photodetector output voltage, a comparator which converts the difference between the photodetector output voltage and reference voltage into a digital cell signal, a reading circuit for reading the digital cell signal through the address lines and the signal lines, a circuit for generating digital codes of the cell signal, a random access memory for storing the digital codes, a reading circuit for reading the digital codes of the cell signals on one or more outputs of the light-detecting device.

公开(公告)号：US09484381B2

公开(公告)日：2016-11-01

申请号：US14579167

申请日：2014-12-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yoshiyuki Kurokawa ,  Takayuki Ikeda ,  Hikaru Tamura

IPC: G06F3/042 ,  H01L27/146 ,  G01J1/18 ,  G01J1/42 ,  G06F3/041

CPC classification number: H01L27/14643 ,  G01J1/18 ,  G01J1/42 ,  G01J1/4204 ,  G06F3/0416 ,  G06F3/042 ,  H01L27/14612

Abstract: A display device includes a pixel which includes a first photosensor portion having a first photodiode for detecting visible light, which is provided together with a display element portion; and a pixel which includes a second photosensor portion having a second photodiode for detecting infrared rays, which is provided together with another display element portion. The second photosensor portion detects infrared rays included in external light, and selects an imaging element and adjusts sensitivity in accordance with the amount of infrared rays detected by the second photosensor portion.

公开(公告)号：US09347827B2

公开(公告)日：2016-05-24

申请号：US14114118

申请日：2013-04-18

Applicant: Atonometrics, Inc.

Inventor： William Stueve ,  Michael Gostein ,  Lawrence R. Dunn ,  Stan Faullin

IPC: G01J1/18 ,  H02S50/10 ,  G01J1/32 ,  G01J1/04 ,  G01J1/02 ,  G01J1/42

CPC classification number: G01J1/18 ,  G01J1/0242 ,  G01J1/0252 ,  G01J1/0403 ,  G01J1/0488 ,  G01J1/32 ,  G01J2001/4266 ,  H02S50/10

Abstract: A system for field measurement and calibration of photovoltaic reference devices, including a reference device electronics unit that measures the electrical output of a photovoltaic reference module and provides data to determine the solar irradiance received by the reference module as a function of its electrical output; and a calibrator unit that is used to routinely recalibrate the reference device electronics unit and the reference module, wherein the calibrator unit contains one or more calibrated photovoltaic reference cell(s).

Abstract translation: 一种用于光伏参考设备的现场测量和校准的系统，包括参考设备电子单元，其测量光伏参考模块的电输出并且提供数据以确定由参考模块接收的太阳辐照度作为其电输出的函数; 以及校准器单元，其用于常规地重新校准参考装置电子单元和参考模块，其中校准器单元包含一个或多个校准的光伏参考单元。

公开(公告)号：US09327580B2

公开(公告)日：2016-05-03

申请号：US13144332

申请日：2009-12-28

Applicant: Hideki Sunaga ,  Masato Nomura ,  Masakazu Yamasaki

Inventor： Hideki Sunaga ,  Masato Nomura ,  Masakazu Yamasaki

IPC: B60H1/00 ,  G01J1/02 ,  G01J1/18 ,  G01J1/42 ,  G01J5/06

CPC classification number: B60H1/0075 ,  G01J1/02 ,  G01J1/0252 ,  G01J1/18 ,  G01J2001/4266 ,  G01J2005/068

Abstract: A vehicle air-conditioning system includes a solar radiation amount detection element configured to detect the amount of solar radiation incident on an instrument panel, a temperature correction element configured to correct a detection signal value output from the solar radiation amount detection element according to a temperature on the instrument panel, a solar radiation sensor configured to output a detection signal in which a temperature is corrected by the temperature correction element, and an air conditioner configured to control air conditioning inside a vehicle based on the detection signal from the solar radiation sensor.

Abstract translation: 车辆空调系统包括：太阳辐射量检测元件，被配置为检测入射在仪表板上的太阳辐射量;温度校正元件，被配置为根据温度校正从太阳辐射量检测元件输出的检测信号值 在仪表板上配置有输出由温度校正元件校正温度的检测信号的太阳辐射传感器，以及基于来自太阳辐射传感器的检测信号来配置成控制车内空调的空调机。

公开(公告)号：US09316530B2

公开(公告)日：2016-04-19

申请号：US14061248

申请日：2013-10-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Do-Young Kim ,  Dong-Keon Kong ,  Dong-Woo Kim ,  Jeong-Je Park ,  Kwang-Hyeon Lee ,  Nae-Hyun Lim ,  Hyoung-Kyu Lim ,  Yong Chang

IPC: G01J1/18 ,  H04B10/116

CPC classification number: G01J1/18 ,  H04B10/116

Abstract: A method and an apparatus for controlling an amount of light in a visible light communication system are provided. In the visible light communication system, a terminal measures an amount of light for a light signal received from a sensor, determines whether the measured amount of light is less than a threshold value, increases an amount of light for a light source signal to transmit to the sensor when the measured amount of light is less than the threshold value, and transmits, to the sensor, a light source signal according to the increased amount of light.

Abstract translation: 提供了一种用于控制可见光通信系统中的光量的方法和装置。 在可见光通信系统中，终端测量从传感器接收到的光信号的光量，确定测量的光量是否小于阈值，将用于发送的光源信号的光量增加到 当测量的光量小于阈值时，传感器，并且根据增加的光量将光源信号传输到传感器。

公开(公告)号：US09297694B2

公开(公告)日：2016-03-29

申请号：US14414718

申请日：2013-08-01

Applicant: NEC CORPORATION

Inventor： Rintaro Nomura

IPC: G01J1/18 ,  H04B10/69 ,  H03M1/10 ,  G01J1/44

CPC classification number: G01J1/18 ,  G01J1/44 ,  G01J2001/186 ,  G01J2001/444 ,  G01J2001/4466 ,  H03M1/1038 ,  H04B10/69

Abstract: The objective of the present invention is to quickly and precisely correct the measured value for light reception power to the actual value with few resources, by installing a correction device for a light reception power monitor for signal light in an optical module. The correction device is equipped with a correction table which is referenced when correcting the measured value for the light reception power of signal light, and in this correction table multiple correction values are stored in advance on the basis of the correspondence relationships between multiple reference values and multiple actual values. In the correction table, for segments wherein the change in the actual values with respect to the change in the measured values is small, the interval between the reference values is made smaller and more correction values are stored than for segments wherein the change in the actual values with respect to the change in the measured values is large. When an input value indicating the measured value for the light reception power of the signal light matches a reference value in the correction table, the correction device reads from the correction table the correction value corresponding to the reference value. When an input value does not match a reference value in the correction table, the correction device calculates a correction value in accordance with a prescribed calculation formula on the basis of the input value.

Abstract translation: 本发明的目的是通过在光学模块中安装用于信号光的光接收功率监视器的校正装置，以很少的资源将光接收功率的测量值快速和精确地校正为实际值。 校正装置配备有校正表，其在校正信号光的光接收功率的测量值时参考，并且在该校正表中，根据多个参考值与多个参考值之间的对应关系预先存储多个校正值 多个实际值。 在校正表中，对于其中实际值相对于测量值的变化的变化小的段，使参考值之间的间隔变小并且存储更多的校正值而不是实际值的变化 关于测量值的变化的值很大。 当指示信号光的光接收功率的测量值的输入值与校正表中的参考值相匹配时，校正装置从校正表读取与参考值对应的校正值。 当校正表中的输入值与参考值不匹配时，校正装置根据输入值根据规定的计算公式计算校正值。