FR2783931B1 - Appareil de mesure de distance - Google Patents

Appareil de mesure de distance

Info

Publication number
FR2783931B1
FR2783931B1 FR9912064A FR9912064A FR2783931B1 FR 2783931 B1 FR2783931 B1 FR 2783931B1 FR 9912064 A FR9912064 A FR 9912064A FR 9912064 A FR9912064 A FR 9912064A FR 2783931 B1 FR2783931 B1 FR 2783931B1
Authority
FR
France
Prior art keywords
measuring apparatus
distance measuring
distance
measuring
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 - Fee Related
Application number
FR9912064A
Other languages
English (en)
Other versions
FR2783931A1 (fr
Inventor
Fuminobu Higashino
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2783931A1 publication Critical patent/FR2783931A1/fr
Application granted granted Critical
Publication of FR2783931B1 publication Critical patent/FR2783931B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation 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
    • G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Led Device Packages (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
FR9912064A 1998-09-28 1999-09-28 Appareil de mesure de distance Expired - Fee Related FR2783931B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27377298 1998-09-28
JP11160846A JP2000171687A (ja) 1998-09-28 1999-06-08 測距装置

Publications (2)

Publication Number Publication Date
FR2783931A1 FR2783931A1 (fr) 2000-03-31
FR2783931B1 true FR2783931B1 (fr) 2007-02-02

Family

ID=26487208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9912064A Expired - Fee Related FR2783931B1 (fr) 1998-09-28 1999-09-28 Appareil de mesure de distance

Country Status (5)

Country Link
US (1) US6330055B1 (fr)
JP (1) JP2000171687A (fr)
DE (1) DE19946449A1 (fr)
FR (1) FR2783931B1 (fr)
GB (1) GB2343804B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001174692A (ja) * 1999-12-17 2001-06-29 Olympus Optical Co Ltd 測距装置
JP3603715B2 (ja) * 2000-01-14 2004-12-22 ミノルタ株式会社 測距装置および該測距装置を備えたカメラ
JP2001311619A (ja) * 2000-05-01 2001-11-09 Asahi Optical Co Ltd 測距装置及び測距方法
US6614509B2 (en) * 2000-12-15 2003-09-02 Olympus Optical Co., Ltd. Distance measuring apparatus
JP2003167186A (ja) * 2001-11-30 2003-06-13 Canon Inc センサ装置及びそれを有する光学機器
JP4402400B2 (ja) 2003-08-28 2010-01-20 オリンパス株式会社 物体認識装置
US8482663B2 (en) * 2004-06-30 2013-07-09 Osram Opto Semiconductors Gmbh Light-emitting diode arrangement, optical recording device and method for the pulsed operation of at least one light-emitting diode
JP4659414B2 (ja) * 2004-09-01 2011-03-30 アバゴ・テクノロジーズ・イーシービーユー・アイピー（シンガポール）プライベート・リミテッド 発光ダイオード及びそれを用いる発光制御システム
US7990522B2 (en) * 2007-11-14 2011-08-02 Mitutoyo Corporation Dynamic compensation of chromatic point sensor intensity profile data selection
CN103592651B (zh) * 2013-11-21 2016-04-27 北京理工大学 一种猫眼目标探测的主被动成像***
CN106371101B (zh) * 2015-07-20 2019-08-16 北醒（北京）光子科技有限公司 一种智能测距及避障的装置
JP6580646B2 (ja) * 2017-09-04 2019-09-25 池上通信機株式会社 撮像装置
CN112985541A (zh) * 2019-12-12 2021-06-18 上海梅山钢铁股份有限公司 一种锌锅液位检测装置
CN115616679B (zh) * 2022-09-26 2024-04-12 广州晨日电子技术有限公司 漫反射式探测光幕以及物体检测方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62210414A (ja) * 1986-03-12 1987-09-16 Minolta Camera Co Ltd 焦点検出装置
JP2586931B2 (ja) * 1988-07-07 1997-03-05 株式会社リコー カメラの測距装置
US4992817A (en) 1988-08-06 1991-02-12 Canon Kabushiki Kaisha Focus detecting device switching between passive and active detection
JPH0346507A (ja) 1989-07-13 1991-02-27 Fuji Photo Film Co Ltd 距離測定装置
FR2655971B1 (fr) 1989-12-18 1992-04-17 Hoechst France Procede d'obtention d'oxydes metalliques refractaires a base de silice par voie sol-gel en milieu aqueux.
JP2958464B2 (ja) 1990-01-17 1999-10-06 チノン株式会社 自動焦点調節装置
JP3292415B2 (ja) * 1993-12-15 2002-06-17 富士写真光機株式会社 カメラの測距装置
US5589910A (en) 1993-12-15 1996-12-31 Fuji Photo Optical Co., Ltd. Apparatus for measuring a distance
US5870178A (en) 1996-02-20 1999-02-09 Canon Kabushiki Kaisha Distance measuring apparatus
JPH09229674A (ja) * 1996-02-20 1997-09-05 Canon Inc 測距装置
JPH09229680A (ja) * 1996-02-20 1997-09-05 Canon Inc 測距装置
JPH10243281A (ja) 1997-02-28 1998-09-11 Canon Inc 測距装置及び測距方法
US6173122B1 (en) * 1997-12-16 2001-01-09 Canon Kabushiki Kaisha Distance measuring apparatus and method

Also Published As

Publication number Publication date
JP2000171687A (ja) 2000-06-23
GB2343804A (en) 2000-05-17
GB2343804B (en) 2003-08-13
FR2783931A1 (fr) 2000-03-31
GB9922964D0 (en) 1999-12-01
DE19946449A1 (de) 2000-03-30
US6330055B1 (en) 2001-12-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090529