JPS58135411A - 測距装置 - Google Patents

測距装置

Info

Publication number
JPS58135411A
JPS58135411A JP1720382A JP1720382A JPS58135411A JP S58135411 A JPS58135411 A JP S58135411A JP 1720382 A JP1720382 A JP 1720382A JP 1720382 A JP1720382 A JP 1720382A JP S58135411 A JPS58135411 A JP S58135411A
Authority
JP
Japan
Prior art keywords
distance
regions
distance measuring
sensor
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.)
Granted
Application number
JP1720382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531085B2 (enrdf_load_stackoverflow
Inventor
Toshiichi Ichiyanagi
一柳 外史一
Akiyasu Washimi
鷲見 明保
Toru Kawai
徹 河合
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
Priority to JP1720382A priority Critical patent/JPS58135411A/ja
Publication of JPS58135411A publication Critical patent/JPS58135411A/ja
Publication of JPH0531085B2 publication Critical patent/JPH0531085B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
JP1720382A 1982-02-05 1982-02-05 測距装置 Granted JPS58135411A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1720382A JPS58135411A (ja) 1982-02-05 1982-02-05 測距装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1720382A JPS58135411A (ja) 1982-02-05 1982-02-05 測距装置

Publications (2)

Publication Number Publication Date
JPS58135411A true JPS58135411A (ja) 1983-08-12
JPH0531085B2 JPH0531085B2 (enrdf_load_stackoverflow) 1993-05-11

Family

ID=11937372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1720382A Granted JPS58135411A (ja) 1982-02-05 1982-02-05 測距装置

Country Status (1)

Country Link
JP (1) JPS58135411A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182309A (ja) * 1983-03-31 1984-10-17 Mitsubishi Electric Corp 自動車用距離計測装置
US4766302A (en) * 1984-05-17 1988-08-23 Minolta Camera Kabushiki Kaisha Focus detecting device including means for determining a priority of correlation calculations
JPH0540036A (ja) * 1991-06-07 1993-02-19 Nikon Corp 焦点検出装置
JPH0540037A (ja) * 1991-06-07 1993-02-19 Nikon Corp 焦点検出装置
US5249013A (en) * 1990-07-23 1993-09-28 Ricoh Company, Ltd. Distance measuring device of camera

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675607A (en) * 1979-11-26 1981-06-22 Ricoh Co Ltd Automatic focus detecting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675607A (en) * 1979-11-26 1981-06-22 Ricoh Co Ltd Automatic focus detecting device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182309A (ja) * 1983-03-31 1984-10-17 Mitsubishi Electric Corp 自動車用距離計測装置
US4766302A (en) * 1984-05-17 1988-08-23 Minolta Camera Kabushiki Kaisha Focus detecting device including means for determining a priority of correlation calculations
US4829170A (en) * 1984-05-17 1989-05-09 Minolta Camera Kabushiki Kaisha Digital focus detecting device
US5107291A (en) * 1984-05-17 1992-04-21 Minolta Camera Kabushiki Kaisha Focus detecting device
US5159383A (en) * 1984-05-17 1992-10-27 Minolta Camera Co., Ltd. Focus detecting device
US5249013A (en) * 1990-07-23 1993-09-28 Ricoh Company, Ltd. Distance measuring device of camera
JPH0540036A (ja) * 1991-06-07 1993-02-19 Nikon Corp 焦点検出装置
JPH0540037A (ja) * 1991-06-07 1993-02-19 Nikon Corp 焦点検出装置

Also Published As

Publication number Publication date
JPH0531085B2 (enrdf_load_stackoverflow) 1993-05-11

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