KR910014686A - 광센서 - Google Patents
광센서Info
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
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)
- General Physics & Mathematics (AREA)
- Physiology (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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989004137U JPH0622323Y2 (ja) | 1989-01-17 | 1989-01-17 | 光センサ |
JP1-4137 | 1989-01-17 | ||
JP1116757A JPH02295542A (ja) | 1989-05-10 | 1989-05-10 | 光センサ |
JP1-116757 | 1989-05-10 |
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)
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)
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 |
DE3483065D1 (de) * | 1983-05-11 | 1990-10-04 | Nellcor Inc | Sensor mit an die hautoberflaeche angepasster form. |
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 |
-
1990
- 1990-01-15 CA CA002007784A patent/CA2007784C/en not_active Expired - Fee Related
- 1990-01-15 KR KR1019900000429A patent/KR930004897B1/ko not_active IP Right Cessation
- 1990-01-16 EP EP90100815A patent/EP0379140A1/en not_active Withdrawn
- 1990-01-16 US US07/465,928 patent/US5045683A/en not_active Expired - Fee Related
- 1990-01-17 CN CN90100327A patent/CN1019051B/zh not_active Expired
- 1990-01-17 RU SU904742988A patent/RU2006832C1/ru active
Also Published As
Publication number | Publication date |
---|---|
CN1019051B (zh) | 1992-11-11 |
RU2006832C1 (ru) | 1994-01-30 |
US5045683A (en) | 1991-09-03 |
CN1044216A (zh) | 1990-08-01 |
CA2007784A1 (en) | 1990-07-17 |
CA2007784C (en) | 1994-08-02 |
KR930004897B1 (ko) | 1993-06-09 |
EP0379140A1 (en) | 1990-07-25 |
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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 |