JPS5893040A - カメラ用測距装置 - Google Patents

カメラ用測距装置

Info

Publication number
JPS5893040A
JPS5893040A JP19071181A JP19071181A JPS5893040A JP S5893040 A JPS5893040 A JP S5893040A JP 19071181 A JP19071181 A JP 19071181A JP 19071181 A JP19071181 A JP 19071181A JP S5893040 A JPS5893040 A JP S5893040A
Authority
JP
Japan
Prior art keywords
subject
lens
light
spc4
spc1
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
JP19071181A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0547815B2 (enrdf_load_stackoverflow
Inventor
Masahiko Ogawa
正彦 小川
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 JP19071181A priority Critical patent/JPS5893040A/ja
Publication of JPS5893040A publication Critical patent/JPS5893040A/ja
Publication of JPH0547815B2 publication Critical patent/JPH0547815B2/ja
Granted 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
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP19071181A 1981-11-30 1981-11-30 カメラ用測距装置 Granted JPS5893040A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19071181A JPS5893040A (ja) 1981-11-30 1981-11-30 カメラ用測距装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19071181A JPS5893040A (ja) 1981-11-30 1981-11-30 カメラ用測距装置

Publications (2)

Publication Number Publication Date
JPS5893040A true JPS5893040A (ja) 1983-06-02
JPH0547815B2 JPH0547815B2 (enrdf_load_stackoverflow) 1993-07-19

Family

ID=16262557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19071181A Granted JPS5893040A (ja) 1981-11-30 1981-11-30 カメラ用測距装置

Country Status (1)

Country Link
JP (1) JPS5893040A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62223734A (ja) * 1986-03-26 1987-10-01 Chinon Kk 測距装置
US5239335A (en) * 1991-02-04 1993-08-24 Olympus Optical Co., Ltd. Auto focus apparatus having a plurality of light emitting elements
US5249013A (en) * 1990-07-23 1993-09-28 Ricoh Company, Ltd. Distance measuring device of camera
US5596386A (en) * 1994-09-16 1997-01-21 Olympus Optical Co., Ltd. Projection and reception type focus detecting apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55146425A (en) * 1979-05-01 1980-11-14 Kyocera Corp Automatic focus control unit
JPS5657012A (en) * 1979-10-16 1981-05-19 Canon Inc Distance detecting optical system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55146425A (en) * 1979-05-01 1980-11-14 Kyocera Corp Automatic focus control unit
JPS5657012A (en) * 1979-10-16 1981-05-19 Canon Inc Distance detecting optical system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62223734A (ja) * 1986-03-26 1987-10-01 Chinon Kk 測距装置
US5249013A (en) * 1990-07-23 1993-09-28 Ricoh Company, Ltd. Distance measuring device of camera
US5239335A (en) * 1991-02-04 1993-08-24 Olympus Optical Co., Ltd. Auto focus apparatus having a plurality of light emitting elements
US5596386A (en) * 1994-09-16 1997-01-21 Olympus Optical Co., Ltd. Projection and reception type focus detecting apparatus

Also Published As

Publication number Publication date
JPH0547815B2 (enrdf_load_stackoverflow) 1993-07-19

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