JPH0559405B2 - - Google Patents

Info

Publication number
JPH0559405B2
JPH0559405B2 JP60140819A JP14081985A JPH0559405B2 JP H0559405 B2 JPH0559405 B2 JP H0559405B2 JP 60140819 A JP60140819 A JP 60140819A JP 14081985 A JP14081985 A JP 14081985A JP H0559405 B2 JPH0559405 B2 JP H0559405B2
Authority
JP
Japan
Prior art keywords
light
distance
position detector
optical position
distance measurement
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP60140819A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62929A (ja
Inventor
Yoshiaki Hirao
Ryuichiro Kuga
Hiroyuki Asakura
Shusuke Ono
Yoshitomi Nagaoka
Shinji Hatachi
Oomichi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP60140819A priority Critical patent/JPS62929A/ja
Priority to US06/876,203 priority patent/US4850692A/en
Priority to KR1019860004995A priority patent/KR900007990B1/ko
Priority to EP86305016A priority patent/EP0206840B1/en
Priority to DE8686305016T priority patent/DE3685268D1/de
Publication of JPS62929A publication Critical patent/JPS62929A/ja
Publication of JPH0559405B2 publication Critical patent/JPH0559405B2/ja
Granted legal-status Critical Current

Links

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
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/30—Coatings
    • H10F77/306—Coatings for devices having potential barriers
    • H10F77/331—Coatings for devices having potential barriers for filtering or shielding light, e.g. multicolour filters for photodetectors
    • H10F77/334—Coatings for devices having potential barriers for filtering or shielding light, e.g. multicolour filters for photodetectors for shielding light, e.g. light blocking layers or cold shields for infrared detectors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/95—Circuit arrangements
    • H10F77/953—Circuit arrangements for devices having potential barriers
    • H10F77/957—Circuit arrangements for devices having potential barriers for position-sensitive photodetectors, e.g. lateral-effect photodiodes or quadrant photodiodes
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP60140819A 1985-06-27 1985-06-27 カメラの自動焦点調節装置 Granted JPS62929A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60140819A JPS62929A (ja) 1985-06-27 1985-06-27 カメラの自動焦点調節装置
US06/876,203 US4850692A (en) 1985-06-27 1986-06-19 Semiconductor light position detector for rangefinder
KR1019860004995A KR900007990B1 (ko) 1985-06-27 1986-06-23 반도체광위치 검출기
EP86305016A EP0206840B1 (en) 1985-06-27 1986-06-27 Semiconductor light position detector for rangefinder
DE8686305016T DE3685268D1 (de) 1985-06-27 1986-06-27 Halbleiterlichtpositionsdetektor fuer entfernungseinstellung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JPS62929A JPS62929A (ja) 1987-01-06
JPH0559405B2 true JPH0559405B2 (en]) 1993-08-31

Family

ID=15277458

Family Applications (1)

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

Country Status (5)

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

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
EP0206840A2 (en) 1986-12-30
EP0206840B1 (en) 1992-05-13
KR870000575A (ko) 1987-02-19
EP0206840A3 (en) 1987-10-14
DE3685268D1 (de) 1992-06-17
KR900007990B1 (ko) 1990-10-23
US4850692A (en) 1989-07-25
JPS62929A (ja) 1987-01-06

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