JPH0473130B2 - - Google Patents

Info

Publication number
JPH0473130B2
JPH0473130B2 JP57061948A JP6194882A JPH0473130B2 JP H0473130 B2 JPH0473130 B2 JP H0473130B2 JP 57061948 A JP57061948 A JP 57061948A JP 6194882 A JP6194882 A JP 6194882A JP H0473130 B2 JPH0473130 B2 JP H0473130B2
Authority
JP
Japan
Prior art keywords
light
light beam
lens
cylindrical lens
focus detection
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
JP57061948A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58178329A (ja
Inventor
Masaaki Takagi
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.)
Nidec Precision Corp
Original Assignee
Nidec Copal Corp
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 Nidec Copal Corp filed Critical Nidec Copal Corp
Priority to JP6194882A priority Critical patent/JPS58178329A/ja
Publication of JPS58178329A publication Critical patent/JPS58178329A/ja
Publication of JPH0473130B2 publication Critical patent/JPH0473130B2/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)
  • Shutter-Related Mechanisms (AREA)
  • Automatic Focus Adjustment (AREA)
  • Measurement Of Optical Distance (AREA)
  • Focusing (AREA)
JP6194882A 1982-04-14 1982-04-14 焦点検出装置 Granted JPS58178329A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6194882A JPS58178329A (ja) 1982-04-14 1982-04-14 焦点検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6194882A JPS58178329A (ja) 1982-04-14 1982-04-14 焦点検出装置

Publications (2)

Publication Number Publication Date
JPS58178329A JPS58178329A (ja) 1983-10-19
JPH0473130B2 true JPH0473130B2 (US07655746-20100202-C00011.png) 1992-11-20

Family

ID=13185921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6194882A Granted JPS58178329A (ja) 1982-04-14 1982-04-14 焦点検出装置

Country Status (1)

Country Link
JP (1) JPS58178329A (US07655746-20100202-C00011.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246726A (ja) * 1985-04-24 1986-11-04 Fuji Photo Film Co Ltd カメラの被写体距離測定装置
JPH0781857B2 (ja) * 1985-04-24 1995-09-06 富士写真フイルム株式会社 カメラの測距装置
JPH0812068B2 (ja) * 1985-08-27 1996-02-07 富士写真フイルム株式会社 測距用光学装置
JP4760391B2 (ja) * 2006-01-13 2011-08-31 カシオ計算機株式会社 測距装置及び測距方法
JP4993025B2 (ja) * 2011-04-08 2012-08-08 カシオ計算機株式会社 測距装置及び測距方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440662A (en) * 1977-09-06 1979-03-30 Minolta Camera Co Ltd Range finder
JPS5526539A (en) * 1978-08-15 1980-02-26 Canon Inc Camera

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5474531U (US07655746-20100202-C00011.png) * 1977-11-05 1979-05-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440662A (en) * 1977-09-06 1979-03-30 Minolta Camera Co Ltd Range finder
JPS5526539A (en) * 1978-08-15 1980-02-26 Canon Inc Camera

Also Published As

Publication number Publication date
JPS58178329A (ja) 1983-10-19

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