DE3726184A1 - Vorrichtung zum automatischen fokussieren eines verschiebbaren objektivs - Google Patents

Vorrichtung zum automatischen fokussieren eines verschiebbaren objektivs

Info

Publication number
DE3726184A1
DE3726184A1 DE19873726184 DE3726184A DE3726184A1 DE 3726184 A1 DE3726184 A1 DE 3726184A1 DE 19873726184 DE19873726184 DE 19873726184 DE 3726184 A DE3726184 A DE 3726184A DE 3726184 A1 DE3726184 A1 DE 3726184A1
Authority
DE
Germany
Prior art keywords
lens
light
light detector
signal
distance
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.)
Withdrawn
Application number
DE19873726184
Other languages
German (de)
English (en)
Inventor
Nobou Katsumura
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
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of DE3726184A1 publication Critical patent/DE3726184A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • 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)
DE19873726184 1986-09-01 1987-08-06 Vorrichtung zum automatischen fokussieren eines verschiebbaren objektivs Withdrawn DE3726184A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61203600A JPS6360416A (ja) 1986-09-01 1986-09-01 自動焦点調節装置

Publications (1)

Publication Number Publication Date
DE3726184A1 true DE3726184A1 (de) 1988-03-03

Family

ID=16476740

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873726184 Withdrawn DE3726184A1 (de) 1986-09-01 1987-08-06 Vorrichtung zum automatischen fokussieren eines verschiebbaren objektivs

Country Status (3)

Country Link
US (1) US4829171A (forum.php)
JP (1) JPS6360416A (forum.php)
DE (1) DE3726184A1 (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668326A1 (fr) * 1990-09-29 1992-04-24 Samsung Electronics Co Ltd Dispositif de mise au point automatique et procede s'y rapportant pour camera video.

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2676759B2 (ja) * 1988-02-08 1997-11-17 株式会社ニコン アクティブ測距装置
JPH06105164B2 (ja) * 1989-10-26 1994-12-21 理化学研究所 半導体像位置検出素子における結像状態観測法
US5471046A (en) * 1994-02-25 1995-11-28 Eastman Kodak Company Camera auto-focusing system with designator using a volume holographic element
US6801260B1 (en) 2000-02-15 2004-10-05 Accu-Sort Systems, Inc. Automatic focusing camera with moving mirror between fixed lens and fixed image sensor
US20070164202A1 (en) * 2005-11-16 2007-07-19 Wurz David A Large depth of field line scan camera
CN113406764B (zh) * 2021-07-13 2022-01-28 广东弘景光电科技股份有限公司 光学镜头镜片调芯方法及系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549054A (en) * 1977-06-22 1979-01-23 Toshiba Corp Cold storage
JPS5895210A (ja) * 1981-12-01 1983-06-06 Ricoh Co Ltd 距離検出装置
JPS59232308A (ja) * 1983-06-15 1984-12-27 Minolta Camera Co Ltd 自動合焦装置
JPS606114U (ja) * 1983-06-24 1985-01-17 キヤノン株式会社 焦点検出装置
US4623237A (en) * 1984-07-07 1986-11-18 Canon Kabushiki Kaisha Automatic focusing device
US4673274A (en) * 1984-09-18 1987-06-16 Matsushita Electric Industrial Co., Ltd. Automatic focusing apparatus for camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668326A1 (fr) * 1990-09-29 1992-04-24 Samsung Electronics Co Ltd Dispositif de mise au point automatique et procede s'y rapportant pour camera video.

Also Published As

Publication number Publication date
US4829171A (en) 1989-05-09
JPS6360416A (ja) 1988-03-16
JPH0581007B2 (forum.php) 1993-11-11

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: KONICA CORP., TOKIO/TOKYO, JP

8141 Disposal/no request for examination