DE3886811D1 - Abstandsmessgerät für einen Photoapparat. - Google Patents

Abstandsmessgerät für einen Photoapparat.

Info

Publication number
DE3886811D1
DE3886811D1 DE88304321T DE3886811T DE3886811D1 DE 3886811 D1 DE3886811 D1 DE 3886811D1 DE 88304321 T DE88304321 T DE 88304321T DE 3886811 T DE3886811 T DE 3886811T DE 3886811 D1 DE3886811 D1 DE 3886811D1
Authority
DE
Germany
Prior art keywords
camera
measuring device
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
DE88304321T
Other languages
English (en)
Other versions
DE3886811T2 (de
Inventor
Yoshiharu Takahashi
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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
Priority claimed from JP11671787A external-priority patent/JPS63282611A/ja
Priority claimed from JP62173954A external-priority patent/JPH0738048B2/ja
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of DE3886811D1 publication Critical patent/DE3886811D1/de
Application granted granted Critical
Publication of DE3886811T2 publication Critical patent/DE3886811T2/de
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
    • 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
DE88304321T 1987-05-15 1988-05-12 Abstandsmessgerät für einen Photoapparat. Expired - Fee Related DE3886811T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11671787A JPS63282611A (ja) 1987-05-15 1987-05-15 カメラの測距装置
JP62173954A JPH0738048B2 (ja) 1987-07-14 1987-07-14 カメラの測距装置

Publications (2)

Publication Number Publication Date
DE3886811D1 true DE3886811D1 (de) 1994-02-17
DE3886811T2 DE3886811T2 (de) 1994-04-28

Family

ID=26454989

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88304321T Expired - Fee Related DE3886811T2 (de) 1987-05-15 1988-05-12 Abstandsmessgerät für einen Photoapparat.

Country Status (3)

Country Link
US (1) US4827302A (de)
EP (1) EP0291312B1 (de)
DE (1) DE3886811T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4908648A (en) * 1987-12-30 1990-03-13 Ricoh Company, Ltd. Distance measuring device for automatic focusing camera
US5060004A (en) * 1988-12-15 1991-10-22 Canon Kabushiki Kaisha Distance measuring device
JP2958464B2 (ja) * 1990-01-17 1999-10-06 チノン株式会社 自動焦点調節装置
EP0525747B1 (de) * 1991-07-30 1998-10-28 Canon Kabushiki Kaisha Entfernungsmessvorrichtung
EP0604373A1 (de) * 1992-12-23 1994-06-29 Elesta Ag Elektronik Reflexionslichttaster
US5546156A (en) * 1994-02-25 1996-08-13 Eastman Kodak Company Camera with pointing aid
US5471046A (en) * 1994-02-25 1995-11-28 Eastman Kodak Company Camera auto-focusing system with designator using a volume holographic element
US5569904A (en) * 1994-07-19 1996-10-29 Eastman Kodak Company Multispot autofocus system having a radiation emitter which emits radiation that is divided into a plurality of discrete beams
US5752115A (en) * 1996-11-26 1998-05-12 Eastman Kodak Company Autofocus camera with power control for emitted beam

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443502A (en) * 1966-08-23 1969-05-13 Eastman Kodak Co Automatic focusing for cameras
US4065778A (en) * 1976-06-17 1977-12-27 Eastman Kodak Company Automatic rangefinder and focusing apparatus
JPS6042725A (ja) * 1983-08-18 1985-03-07 Olympus Optical Co Ltd 焦点検出装置
JPS6082915A (ja) * 1983-10-14 1985-05-11 Canon Inc 距離測定装置
JPS60168111A (ja) * 1984-02-13 1985-08-31 Canon Inc カメラの焦点調節装置
JPS60176009A (ja) * 1984-02-22 1985-09-10 Canon Inc 自動焦点カメラ
US4773751A (en) * 1984-03-09 1988-09-27 Minolta Camera Kabushiki Kaisha Infinite level setting device for a distance measuring device
US4748469A (en) * 1984-05-07 1988-05-31 Canon Kabushiki Kaisha Distance measuring device for camera
US4659922A (en) * 1985-02-19 1987-04-21 Eaton Corporation Optical sensor device for detecting the presence of an object
JPH0616147B2 (ja) * 1986-03-26 1994-03-02 チノン株式会社 カメラ

Also Published As

Publication number Publication date
US4827302A (en) 1989-05-02
EP0291312A2 (de) 1988-11-17
DE3886811T2 (de) 1994-04-28
EP0291312A3 (en) 1990-09-12
EP0291312B1 (de) 1994-01-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee