CA1107860A - Range detecting method and apparatus - Google Patents

Range detecting method and apparatus

Info

Publication number
CA1107860A
CA1107860A CA294,509A CA294509A CA1107860A CA 1107860 A CA1107860 A CA 1107860A CA 294509 A CA294509 A CA 294509A CA 1107860 A CA1107860 A CA 1107860A
Authority
CA
Canada
Prior art keywords
detection
image elements
image
successive
output
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
Application number
CA294,509A
Other languages
English (en)
French (fr)
Inventor
Shin Tsuda
Takaaki Yamagata
Mitsutoshi Owada
Yukichi Niwa
Noriyuki Asano
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of CA1107860A publication Critical patent/CA1107860A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Measurement Of Optical Distance (AREA)
  • Focusing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA294,509A 1977-01-06 1978-01-06 Range detecting method and apparatus Expired CA1107860A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50577A JPS5385453A (en) 1977-01-06 1977-01-06 Distance detecting method
JP505/1977 1977-01-06

Publications (1)

Publication Number Publication Date
CA1107860A true CA1107860A (en) 1981-08-25

Family

ID=11475612

Family Applications (1)

Application Number Title Priority Date Filing Date
CA294,509A Expired CA1107860A (en) 1977-01-06 1978-01-06 Range detecting method and apparatus

Country Status (7)

Country Link
US (1) US4189232A (US20080094685A1-20080424-C00004.png)
JP (1) JPS5385453A (US20080094685A1-20080424-C00004.png)
CA (1) CA1107860A (US20080094685A1-20080424-C00004.png)
DE (1) DE2800450A1 (US20080094685A1-20080424-C00004.png)
FR (1) FR2377024A1 (US20080094685A1-20080424-C00004.png)
GB (1) GB1599552A (US20080094685A1-20080424-C00004.png)
SE (1) SE7800068L (US20080094685A1-20080424-C00004.png)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451556A (en) * 1977-09-29 1979-04-23 Canon Inc Distance measuring apparatus
DE2813913A1 (de) * 1978-03-31 1979-10-18 Siemens Ag Anordnung zur messung der entfernung oder geschwindigkeit eines gegenstandes
JPS54161325A (en) * 1978-06-10 1979-12-20 Ricoh Co Ltd Focus detector
JPS5545031A (en) * 1978-09-27 1980-03-29 Nippon Kogaku Kk <Nikon> Focus state detector
JPS5582621U (US20080094685A1-20080424-C00004.png) * 1978-11-30 1980-06-07
JPS55108627A (en) * 1979-02-09 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55115023A (en) * 1979-02-28 1980-09-04 Canon Inc Distance detector and focus control system utilizing this
US4250376A (en) * 1979-07-20 1981-02-10 Honeywell Inc. Apparatus for range finding equipment
DE2936520A1 (de) * 1979-09-10 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Schaltung zur sensorgesteuerten entfernungsmessung
DE2936535A1 (de) * 1979-09-10 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Schaltung zur sensorgesteuerten entfernungsmessung
US4313678A (en) * 1979-09-24 1982-02-02 The United States Of America As Represented By The Secretary Of The Interior Automated satellite mapping system (MAPSAT)
JPS5650315A (en) * 1979-10-01 1981-05-07 Canon Inc Focus detecting method and device
US4387975A (en) * 1979-10-31 1983-06-14 Ricoh Company, Ltd. Automatic focusing position detection apparatus
US4391513A (en) * 1979-12-25 1983-07-05 Canon Kabushiki Kaisha Range finding optical mechanism
US4484223A (en) * 1980-06-12 1984-11-20 Canon Kabushiki Kaisha Image sensor
JPS5749660U (US20080094685A1-20080424-C00004.png) * 1980-09-03 1982-03-20
JPS6129038Y2 (US20080094685A1-20080424-C00004.png) * 1980-09-03 1986-08-27
US4341447A (en) * 1980-12-01 1982-07-27 Polaroid Corporation Infrared camera ranging system
JPS58117528A (ja) * 1982-01-06 1983-07-13 Hitachi Denshi Ltd 自動合焦カメラ用信号処理方式
GB2124850A (en) * 1982-08-04 1984-02-22 Philips Electronic Associated Rangefinder for marked targets
US4527891A (en) * 1982-08-18 1985-07-09 Eastman Kodak Company Rangefinder device with serial readout linear image sensor and peak detector with threshold setting means
US4589770A (en) * 1982-10-25 1986-05-20 The Boeing Company Electro-optical ranging apparatus having scanning circuitry and servoloop processor for resolving separation of images on photoelectric detector arrays
JPS59133510A (ja) * 1983-01-21 1984-07-31 Konishiroku Photo Ind Co Ltd 距離測定装置
JPS603509A (ja) * 1983-06-21 1985-01-09 Fuji Electric Corp Res & Dev Ltd 距離測定装置用映像デ−タ比較回路
JPS6020111A (ja) * 1983-07-14 1985-02-01 Fuji Electric Corp Res & Dev Ltd 距離測定装置
GB2147169B (en) * 1983-08-09 1987-09-30 Konishiroku Photo Ind Rangefinder
GB2147762A (en) * 1983-10-10 1985-05-15 Audim Sa An artifical binocular vision system
US4660955A (en) * 1983-11-08 1987-04-28 Minolta Camera Kabushiki Kaisha Focus condition detecting device for use in a camera
US4695156A (en) * 1986-07-03 1987-09-22 Westinghouse Electric Corp. Range finding method and apparatus
JPH0795140B2 (ja) * 1987-07-15 1995-10-11 富士電機株式会社 光学機器の合焦化用評価値検出装置
US7117068B2 (en) * 2003-09-29 2006-10-03 Quantum Corporation System and method for library robotics positional accuracy using parallax viewing
JP2015060053A (ja) * 2013-09-18 2015-03-30 株式会社東芝 固体撮像装置、制御装置及び制御プログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1263325B (de) * 1964-10-20 1968-03-14 Leitz Ernst Gmbh Elektrooptische Schaltungsanordnung fuer einen Basis-Entfernungsmesser
US3553455A (en) * 1968-03-01 1971-01-05 Copal Co Ltd Automatic focusing apparatus by means of phase discrimination
JPS5928884B2 (ja) * 1972-12-27 1984-07-17 キヤノン株式会社 距離検出方式
US3945023A (en) * 1974-03-29 1976-03-16 Honeywell Inc. Auto-focus camera with solid state range finder
US4004852A (en) * 1975-06-30 1977-01-25 Rockwell International Corporation Integrated automatic ranging device for optical instruments

Also Published As

Publication number Publication date
GB1599552A (en) 1981-10-07
DE2800450A1 (de) 1978-07-20
SE7800068L (sv) 1978-07-09
FR2377024B1 (US20080094685A1-20080424-C00004.png) 1982-12-17
JPS5385453A (en) 1978-07-27
US4189232A (en) 1980-02-19
FR2377024A1 (fr) 1978-08-04

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Legal Events

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