KR870000575A - 측거장치 - Google Patents

측거장치 Download PDF

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Publication number
KR870000575A
KR870000575A KR1019860004995A KR860004995A KR870000575A KR 870000575 A KR870000575 A KR 870000575A KR 1019860004995 A KR1019860004995 A KR 1019860004995A KR 860004995 A KR860004995 A KR 860004995A KR 870000575 A KR870000575 A KR 870000575A
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KR
South Korea
Prior art keywords
light
position detector
blocking member
receiving surface
semiconductor
Prior art date
Application number
KR1019860004995A
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English (en)
Other versions
KR900007990B1 (ko
Inventor
요시아끼 히라오
류이찌로오 구가
히로유끼 아사구라
슈스게 오노
요시도미 나가오까
신지 하다지
히로미찌 다나까
Original Assignee
마쯔시다덴기산교 가부시기가이샤
다니이 아끼오
마쯔시다덴기산교 가부시기 가이샤
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.)
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Publication date
Application filed by 마쯔시다덴기산교 가부시기가이샤, 다니이 아끼오, 마쯔시다덴기산교 가부시기 가이샤 filed Critical 마쯔시다덴기산교 가부시기가이샤
Publication of KR870000575A publication Critical patent/KR870000575A/ko
Application granted granted Critical
Publication of KR900007990B1 publication Critical patent/KR900007990B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/02016—Circuit arrangements of general character for the devices
    • H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02024—Position sensitive and lateral effect photodetectors; Quadrant photodiodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/0216—Coatings
    • H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02162—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors
    • H01L31/02164—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors for shielding light, e.g. light blocking layers, cold shields for infrared detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data
    • G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)

Abstract

내용 없음.

Description

측거장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도 및 제3도는 본 발명의 다른 광위치 검출기의 평면도.
제6도는 본 발명의 광위치 검출기에 사용 가능한 측거 장치의 기본적인 모식도.
* 도면의 주요부분에 대한 부호의 설명
1,2a : 전극 2 : 차광부재
5 : 보호막 14 : 주성분
15 : 플레어성분 19 : 적외LED
20 : 투광렌즈 21 : 광위치 검출기
22 : 수광렌즈

Claims (9)

  1. 피사체에 광비임을 투광하고, 피사체의 반사광비임을 수광하고, 광위치 검출기상의 반사 비임소광위치로부터 피사체의 거리를 측거하는 측거장치용 반도체 광위치 검출기에 있어서, 반사비임의 광스폿 형성되지 않는 광위치검출기 수광면의 일부가 불요광을 차단하는 차광부재로 피복되는 것을 특징으로 하는 반도체 광위치 검출기.
  2. 제1항에 있어서, 상기 수광면은 전극부를 제외하고는 비도전성물질로 성형된 보호막으로 피복되고, 상기 차광부재는 보호막상에 형상되는 것을 특징으로 하는 반도체 광위치 검출기.
  3. 제1항에 있어서, 상기 차광부재는 알루미늄으로 성형된 막인 것을 특징으로 하는 반도체 광위치 검출기.
  4. 제2항에 있어서, 상기 차광부재는 광위치 검출기의 전극부가 연장되어 형성된 것을 특징으로 하는 반도체 광위치 검출기.
  5. 제1항에 있어서, 상기 차광부재는 400㎚이상의 파장을 가지는 광을 차단하는 것을 특징으로 하는 반도체 광위치 검출기.
  6. 피사체의 거리를 측거하는 측거장치용 반도체 광위치 검출기에 있어서, 피사체의 반사광 비임이 광스폿을 형성하는 수광면을 가지는 PIN광다이오우드와, PIN광다이오우드에 의해 발생된 광전류를 제거하도록 수광면의 양단에 형성된 전극과, 불요광 차단하도록 광스폿이 형성되지 않는 수광면의 일부에 형성된 차광부재를 구비하여서된 것을 특징으로 하는 반도체 광위치 검출기.
  7. 제6항에 있어서, 수광면과 차광부재간에 형성된 내전도 성물질의 투명보호막을 포함하는 것을 특징으로 하는 반도체 광위치 검출기.
  8. 제7항에 있어서, 상기 차광부재는 전극중 적어도 일체로 성형되는 것을 특징으로 하는 반도에 광위치 검출기.
  9. 제6항에 있어서, 상기 차광부재는 400㎚이상의 파장을 가지는 광을 차단하는 것을 특징으로 하는 반도체 광위치 검출기.
    ※ 참고사항 ： 최초출원 내용에 의하여 공개하는 것임.
KR1019860004995A 1985-06-27 1986-06-23 반도체광위치 검출기 KR900007990B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP140819 1985-06-27
JP60140819A JPS62929A (ja) 1985-06-27 1985-06-27 カメラの自動焦点調節装置

Publications (2)

Publication Number Publication Date
KR870000575A true KR870000575A (ko) 1987-02-19
KR900007990B1 KR900007990B1 (ko) 1990-10-23

Family

ID=15277458

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004995A KR900007990B1 (ko) 1985-06-27 1986-06-23 반도체광위치 검출기

Country Status (5)

Country Link
US (1) US4850692A (ko)
EP (1) EP0206840B1 (ko)
JP (1) JPS62929A (ko)
KR (1) KR900007990B1 (ko)
DE (1) DE3685268D1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163313A (ja) * 1986-12-25 1988-07-06 Mitaka Koki Kk 非接触自動焦点位置合わせ装置
JP2554119B2 (ja) * 1988-02-26 1996-11-13 株式会社日立製作所 自動車空調用日射センサー
US5216248A (en) * 1990-11-08 1993-06-01 Asahi Kogaku Kogyo Kabushiki Kaisha Photodetector with mask for stable output signal
US5508625A (en) * 1994-06-23 1996-04-16 The Boeing Company Voltage stand off characteristics of photoconductor devices
DE19958729C2 (de) * 1999-12-01 2002-02-28 Fresenius Hemocare Gmbh Verfahren zur Bestimmung einer Partikelkonzentration und Vorrichtung zur Durchführung des Verfahrens
US20040217258A1 (en) * 2003-04-30 2004-11-04 Clugston P. Edward Solar sensor including reflective element to transform the angular response
DE102005046950B3 (de) * 2005-09-30 2006-12-21 Siemens Ag Vorrichtung und Verfahren zur Aufnahme von Abstandsbildern
EP2500746B1 (de) * 2011-03-14 2013-10-30 Sick Ag Optoelektronisches Bauelement und Lichttaster mit einem solchen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130825A (en) * 1978-03-31 1979-10-11 Canon Inc Image scanner
DE2853978A1 (de) * 1978-12-14 1980-07-03 Bosch Gmbh Robert Entfernungsmesser
US4375332A (en) * 1979-09-21 1983-03-01 Canon Kabushiki Kaisha Anti-ghost device for optical distance measuring system
US4441810A (en) * 1980-07-15 1984-04-10 Konishiroku Photo Industry Co., Ltd. Range finder
JPS5748703A (en) * 1980-09-08 1982-03-20 Seiko Koki Kk Distance detector
JPS58106410A (ja) * 1981-12-21 1983-06-24 Seiko Koki Kk 距離検出装置
JPS58191915A (ja) * 1982-05-04 1983-11-09 Minolta Camera Co Ltd 光位置センサ
JPS58191916A (ja) * 1982-05-06 1983-11-09 Minolta Camera Co Ltd 光位置センサ
US4511248A (en) * 1982-06-30 1985-04-16 Eastman Kodak Company Active electro-optical distance detection methods and devices
JPS59107332A (ja) * 1982-12-13 1984-06-21 Asahi Optical Co Ltd カメラの自動焦点装置
US4611912A (en) * 1983-04-04 1986-09-16 Ball Corporation Method and apparatus for optically measuring distance and velocity
JPH0687576A (ja) * 1992-08-27 1994-03-29 Otis Elevator Co 群管理エレベーターのかご到着予報灯装置

Also Published As

Publication number Publication date
DE3685268D1 (de) 1992-06-17
EP0206840A2 (en) 1986-12-30
JPS62929A (ja) 1987-01-06
US4850692A (en) 1989-07-25
KR900007990B1 (ko) 1990-10-23
EP0206840A3 (en) 1987-10-14
JPH0559405B2 (ko) 1993-08-31
EP0206840B1 (en) 1992-05-13

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