公开(公告)号：US4764018A

公开(公告)日：1988-08-16

申请号：US50478

申请日：1987-05-18

Applicant: Hiroki Inoue

Inventor： Hiroki Inoue

IPC: G01N21/31 ,  G01N21/35 ,  G01N21/85 ,  G01J3/51

CPC classification number: G01N21/314 ,  G01N2021/3174 ,  G01N2021/8592 ,  G01N21/3554 ,  G01N2201/0636 ,  G01N2201/1211 ,  G01N2201/1214

Abstract: An apparatus for measuring the water content of an object to be measured comprises in combination a pair of optical filters for obtaining from the same source light a reference light having a wavelength not easily absorbed therein and a measuring light having a wavelength easily absorbable therein, an optical system for irradiating the object with the reference and measuring lights, an photoelectric converter for converting the reference and measuring lights to electrical signals, a temperature detector for detecting the temperature of the optical filters, a humidity detector for detecting the humidity of optical paths for the reference and measuring lights, extending from the optical system to the object, and a water content-measuring circuit for finding the quantity of water contained in the object on the basis of output signals produced from the photoelectric converter, temperature detector and humidity detector.

Abstract translation: 用于测量被测量物体的含水量的装置包括一对光学滤光器，用于从相同的源光获得具有不容易吸收的波长的参考光和具有易于吸收的波长的测量光， 用于用参考和测量光照射物体的光学系统，用于将参考和测量光转换为电信号的光电转换器，用于检测光学滤波器的温度的温度检测器，用于检测光路的湿度的湿度检测器，用于 基于从光学系统延伸到对象的参考和测量光，以及用于基于由光电转换器，温度检测器和湿度检测器产生的输出信号来找到物体中所含的水量的含水量测量电路。

公开(公告)号：US12105041B2

公开(公告)日：2024-10-01

申请号：US17974832

申请日：2022-10-27

Applicant: UIF (University Industry Foundation), Yonsei University

Inventor： Cheol Min Park ,  Jeongok Park ,  Seung Won Lee ,  Ji Hye Jang ,  Hye Jin Kim ,  Kyoung Jin Lee

IPC: G01N27/06 ,  G01N27/07 ,  G01N27/14 ,  G01N27/22

CPC classification number: G01N27/07 ,  G01N27/14 ,  G01N27/226 ,  G01N2201/1211 ,  G01N2201/1218

Abstract: A detection device includes a substrate, first electrodes formed on a first surface of the substrate, a responsive layer, and second electrodes formed on a first surface of the responsive layer, each of the second electrodes are capacitively coupled to one of the first electrodes and each second electrode is connected to a power supply to provide driving power.

公开(公告)号：US12050177B2

公开(公告)日：2024-07-30

申请号：US18203359

申请日：2023-05-30

Applicant: Opsolution GMBH

Inventor： Bjoern Magnussen ,  Claudius Stern ,  Wolfgang Koecher

IPC: G01N21/49 ,  A61B5/145 ,  A61B5/1455 ,  G01N21/47 ,  G01N21/17

CPC classification number: G01N21/49 ,  A61B5/14546 ,  A61B5/1455 ,  G01N21/474 ,  G01N21/4795 ,  A61B5/14532 ,  A61B2560/0223 ,  A61B2562/046 ,  G01N2021/1782 ,  G01N2021/4752 ,  G01N2201/06153 ,  G01N2201/0621 ,  G01N2201/0626 ,  G01N2201/0633 ,  G01N2201/066 ,  G01N2201/1211 ,  G01N2201/1214

Abstract: A device for optical detection of analytes in a sample includes at least two optoelectronic components. The optoelectronic components include at least one optical detector configured to receive a photon and at least one optical emitter configured to emit a photon. The at least one optical emitter includes at least three optical emitters disposed in a flat, non-linear arrangement, and the at least one optical detector includes at least three optical detectors disposed in a flat, non-linear arrangement. The at least three optical emitters and the at least three optical detectors include at least three different wavelength characteristics.

公开(公告)号：US11934053B2

公开(公告)日：2024-03-19

申请号：US18087866

申请日：2022-12-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shuji Morita ,  Masaya Takahashi

IPC: G02F1/133 ,  G01N21/59 ,  H04N23/75

CPC classification number: G02F1/13318 ,  G01N21/59 ,  H04N23/75 ,  G01N2201/1211 ,  G02F2203/48

Abstract: An imaging apparatus of the present disclosure includes: a liquid crystal panel configured to adjust light transmittance; a light emitting element configured to apply detection light; a first light receiving element configured to receive first detection light transmitted through the liquid crystal panel in the detection light, and to output a first output value related to a light amount of the first detection light; a second light receiving element configured to receive second detection light not transmitted through the liquid crystal panel in the detection light, and to output a second output value related to a light amount of the second detection light; a transmittance calculator configured to calculate a liquid crystal transmittance of the liquid crystal panel based on the first output value and the second output value; and an imaging element configured to image imaging light transmitted through the liquid crystal panel.

公开(公告)号：US20240085318A1

公开(公告)日：2024-03-14

申请号：US18484971

申请日：2023-10-11

Applicant: Analog Devices, Inc.

Inventor： Shrenik DELIWALA

IPC: G01N21/3504 ,  G01N21/01

CPC classification number: G01N21/3504 ,  G01N21/01 ,  G01N2021/3513 ,  G01N2201/0636 ,  G01N2201/1211

Abstract: System and apparatus for robust, portable gas detection. Specifically, this disclosure describes apparatuses and systems for optical gas detection in a compact package using two optical pathways. There is a need for a very compact, low-power, gas detection system for gases such as CO2, NOx, water vapor, methane, etc. This disclosure provides an ultra-compact and highly stable and efficient optical measurement system based on principals of optical absorption spectroscopy using substantially collinear pathways.

公开(公告)号：US11874226B2

公开(公告)日：2024-01-16

申请号：US17307341

申请日：2021-05-04

Applicant: HORIBA INSTRUMENTS INCORPORATED ,  HORIBA ADVANCED TECHNO CO., LTD.

Inventor： Adam Matthew Gilmore

IPC: G01N33/18 ,  G01N21/33 ,  G01J3/44 ,  G01N21/64 ,  C02F1/00 ,  C02F5/02 ,  C02F1/52 ,  G01N21/27 ,  G01J3/36 ,  G01J3/42

CPC classification number: G01N21/645 ,  C02F1/004 ,  C02F1/008 ,  C02F1/52 ,  C02F5/02 ,  G01N21/33 ,  G01N33/18 ,  G01N33/1806 ,  G01N33/1826 ,  C02F2001/007 ,  C02F2209/008 ,  C02F2209/02 ,  C02F2209/06 ,  C02F2209/07 ,  C02F2209/08 ,  C02F2209/11 ,  C02F2209/20 ,  C02F2209/21 ,  G01J3/36 ,  G01J3/42 ,  G01J3/4406 ,  G01N21/274 ,  G01N2021/6421 ,  G01N2021/6482 ,  G01N2021/6484 ,  G01N2021/6491 ,  G01N2021/6493 ,  G01N2201/1211

Abstract: A computer-implemented method includes controlling an instrument to measure a fluorescence emission spectrum of a sample including a first peak emission wavelength and at least a second peak emission wavelength, emitted in response to an excitation wavelength and controlling the instrument to measure an absorbance obtained at the excitation wavelength of the sample. The method may include determining, using the computer, a ratio of the measurements at either the second peak emission wavelength, or a sum of measurements at a plurality of peak emission wavelengths including at least the first peak emission wavelength and the second peak emission wavelength, to the first peak emission wavelength, and calculating, using the computer, a value for a quality parameter based on a combination of at least the ratio and the absorbance measurement. The method may include controlling an associated process based on the quality parameter.

公开(公告)号：US11686671B2

公开(公告)日：2023-06-27

申请号：US17288300

申请日：2019-10-18

Applicant: FUJIKIN INCORPORATED

Inventor： Masaaki Nagase ,  Hidekazu Ishii ,  Kouji Nishino ,  Nobukazu Ikeda

IPC: G01N21/31 ,  G01N21/85 ,  G01N33/00 ,  H01L21/02

CPC classification number: G01N21/31 ,  G01N21/85 ,  G01N33/0037 ,  G01N2201/1211 ,  G01N2201/1218 ,  H01L21/02274

Abstract: A concentration measurement device 100 includes a light source 22 for generating incident light to a measurement space 10A, a photodetector 24 for receiving light emitted from the measurement space, and an arithmetic control circuit 26 for calculating a concentration of a measurement fluid on the basis of an output of the photodetector, and the light source includes a first light-emitting element 22a for generating light having a first wavelength, and a second light-emitting element 22b for generating light having a second wavelength, and the concentration measurement device is configured so as to calculate the concentration using either light of the first wavelength or the second wavelength on the basis of the pressure or temperature of the measurement fluid.

公开(公告)号：US20190170654A1

公开(公告)日：2019-06-06

申请号：US16271850

申请日：2019-02-10

Applicant: Step Ahead Innovations, Inc.

Inventor： James E. Clark

IPC: G01N21/77 ,  G01N33/18 ,  G01N21/64 ,  G01N21/85 ,  G01N27/06 ,  G06Q30/02 ,  G01N21/27 ,  A61K36/185

CPC classification number: G01N21/77 ,  A61K36/185 ,  G01N21/274 ,  G01N21/6428 ,  G01N21/643 ,  G01N21/78 ,  G01N21/8507 ,  G01N27/06 ,  G01N33/18 ,  G01N2021/6439 ,  G01N2201/062 ,  G01N2201/1211 ,  G01N2201/127 ,  G06Q30/0282

Abstract: An aquatic environment water parameter testing method that utilizes the conductivity of a liquid sample of an aquatic environment to correct an optical reading of a chemical indicator that has been exposed to the liquid sample to determine the level of a constituent in the aquatic environment. The conductivity of the liquid sample is determined, the chemical indicator element is exposed to the liquid sample, an optical reading is measured from the chemical indicator, and the optical reading is corrected using the conductivity. The temperature of the liquid sample may be utilized to correct the conductivity prior to correcting the optical reading. The temperature of an optical reader used to measure the optical reading may be utilized to correct the optical reading.

公开(公告)号：US20190170578A1

公开(公告)日：2019-06-06

申请号：US16271621

申请日：2019-02-08

Applicant: Otsuka Electronics Co., Ltd.

Inventor： Yoshihiro OSAWA ,  Tsutomu MIZUGUCHI ,  Munehiro NOGUCHI

IPC: G01J3/28 ,  G01J3/18 ,  G01N21/27 ,  G01J3/02 ,  G01N21/64 ,  G01N21/35 ,  G01N21/33

CPC classification number: G01J3/28 ,  G01J3/0218 ,  G01J3/0251 ,  G01J3/0254 ,  G01J3/0286 ,  G01J3/18 ,  G01N21/0332 ,  G01N21/274 ,  G01N21/33 ,  G01N21/35 ,  G01N21/645 ,  G01N2201/1211

Abstract: There is provided an optical characteristic measurement system that can be set up in a relatively short time and can increase a detection sensitivity. The optical characteristic measurement system includes a first measurement apparatus. The first measurement apparatus includes: a first detection element arranged in a housing; a first cooling unit at least partially joined to the first detection element that cools the detection element; and a suppression mechanism that suppresses temperature variations occurring around the detection element in the housing.

公开(公告)号：US20190041269A1

公开(公告)日：2019-02-07

申请号：US15881037

申请日：2018-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： HYO SUN HWANG ,  SO YOUNG LEE ,  JAE WOOK SHIM

IPC: G01J3/457 ,  G01J3/28

CPC classification number: G01J3/457 ,  G01J3/02 ,  G01J3/28 ,  G01J3/2803 ,  G01J2003/284 ,  G01J2003/2866 ,  G01N21/274 ,  G01N21/31 ,  G01N2201/1211

Abstract: Provided is a spectrum measurement apparatus including a light source configured to emit light to a sample; a light detector configured to receive light, which is reflected or scattered from, or transmitted through the sample, and to measure an intensity of the received light, and a processor configured to reconstruct a spectrum of the sample for calibration while adjusting a value of a spectrum reconstruction parameter in response to the light detector receiving the light and measuring the intensity of the received light, and to determine an optimal value of the spectrum reconstruction parameter based on a similarity between the reconstructed spectrum of the sample for calibration and an original spectrum of the sample for calibration.