KR910014686A - 광센서 - Google Patents

광센서

Info

Publication number
KR910014686A
KR910014686A KR1019900000429A KR900000429A KR910014686A KR 910014686 A KR910014686 A KR 910014686A KR 1019900000429 A KR1019900000429 A KR 1019900000429A KR 900000429 A KR900000429 A KR 900000429A KR 910014686 A KR910014686 A KR 910014686A
Authority
KR
South Korea
Prior art keywords
optical sensor
optical
sensor
Prior art date
Application number
KR1019900000429A
Other languages
English (en)
Other versions
KR930004897B1 (ko
Inventor
마사히꼬 칸다
Original Assignee
스미도모덴기고오교오 가부시기가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP1989004137U external-priority patent/JPH0622323Y2/ja
Priority claimed from JP1116757A external-priority patent/JPH02295542A/ja
Application filed by 스미도모덴기고오교오 가부시기가이샤 filed Critical 스미도모덴기고오교오 가부시기가이샤
Publication of KR910014686A publication Critical patent/KR910014686A/ko
Application granted granted Critical
Publication of KR930004897B1 publication Critical patent/KR930004897B1/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
    • G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Led Devices (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
KR1019900000429A 1989-01-17 1990-01-15 광센서 KR930004897B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1-4137 1989-01-17
JP1989004137U JPH0622323Y2 (ja) 1989-01-17 1989-01-17 光センサ
JP1-116757 1989-05-10
JP1116757A JPH02295542A (ja) 1989-05-10 1989-05-10 光センサ

Publications (2)

Publication Number Publication Date
KR910014686A true KR910014686A (ko) 1991-08-31
KR930004897B1 KR930004897B1 (ko) 1993-06-09

Family

ID=26337857

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000429A KR930004897B1 (ko) 1989-01-17 1990-01-15 광센서

Country Status (6)

Country Link
US (1) US5045683A (ko)
EP (1) EP0379140A1 (ko)
KR (1) KR930004897B1 (ko)
CN (1) CN1019051B (ko)
CA (1) CA2007784C (ko)
RU (1) RU2006832C1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0472963A3 (en) * 1990-08-27 1992-07-08 Sumitomo Electric Industries, Limited Light emitting diode for photosensor and photosensor using such light emitting diode
US5198701A (en) * 1990-12-24 1993-03-30 Davies Robert B Current source with adjustable temperature variation
JP3387171B2 (ja) 1993-09-28 2003-03-17 セイコーエプソン株式会社 脈波検出装置および運動強度測定装置
DE69627922T2 (de) * 1995-03-24 2004-03-11 Nohmi Bosai Ltd. Sensor zur Feststellung feiner Teilchen wie Rauch
JP3487383B2 (ja) * 1995-07-06 2004-01-19 株式会社ニコン 露光装置及びそれを用いる素子製造方法
WO2001011356A2 (en) * 1999-08-06 2001-02-15 Roche Diagnostics Corporation Methods and apparatus for determining coagulation times
US20030048375A1 (en) * 2001-09-11 2003-03-13 Thorstein Seim Method and apparatus for digitizing light measurements by computer control of light source emission
KR100848118B1 (ko) * 2007-05-03 2008-07-24 삼성전자주식회사 광 센서 생체 신호 측정 장치 및 상기 장치의 광 센서 제어방법
JP2009150791A (ja) * 2007-12-21 2009-07-09 Oputo System:Kk 発光体の測光装置
US9239619B2 (en) 2013-11-08 2016-01-19 Applied Invention, Llc Use of light transmission through tissue to detect force
KR102369794B1 (ko) 2015-11-18 2022-03-03 한화테크윈 주식회사 조도 감지 시스템 및 이를 채용한 감시 카메라
US10212776B2 (en) 2016-12-28 2019-02-19 Asahi Kasei Microdevices Corporation Light receiving device and light emitting and receiving device
JP6824048B2 (ja) * 2017-01-20 2021-02-03 アズビル株式会社 投光回路
CN109008987A (zh) * 2017-11-09 2018-12-18 杭州暖芯迦电子科技有限公司 一种光电式生物传感器及其加热控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182977A (en) * 1978-06-01 1980-01-08 Trw Inc. Constant output light emitting device
NL191373C (nl) * 1980-07-15 1995-06-16 Tno Inrichting voor het sturen van de brandstoftoevoer aan een verbrandingsmotor.
US4431947A (en) * 1982-06-04 1984-02-14 The Singer Company Controlled light source
JPS59146069A (ja) * 1983-02-08 1984-08-21 Canon Inc 光源安定化装置
EP0127947B1 (en) * 1983-05-11 1990-08-29 Nellcor Incorporated Sensor having cutaneous conformance
US4586273A (en) * 1983-12-28 1986-05-06 Bernard Chapnick Shoe insert construction
US4701607A (en) * 1985-04-15 1987-10-20 Arel Control Systems, Ltd. Temperature control laser detection apparatus
JPS6323645A (ja) * 1986-05-27 1988-01-30 住友電気工業株式会社 反射加温型オキシメ−タ
US4724314A (en) * 1986-08-21 1988-02-09 Harbor Branch Oceanographic Institution Inc. Material characteristics measuring methods and devices
JPS63193582A (ja) * 1987-02-06 1988-08-10 Ando Electric Co Ltd レ−ザダイオ−ド駆動回路
JPH01167139A (ja) * 1987-12-23 1989-06-30 Brother Ind Ltd 光学センサーの制御装置

Also Published As

Publication number Publication date
CN1044216A (zh) 1990-08-01
CN1019051B (zh) 1992-11-11
EP0379140A1 (en) 1990-07-25
CA2007784A1 (en) 1990-07-17
KR930004897B1 (ko) 1993-06-09
CA2007784C (en) 1994-08-02
RU2006832C1 (ru) 1994-01-30
US5045683A (en) 1991-09-03

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee