DE68917435D1 - Selbstfokussierkontrollsystem. - Google Patents

Selbstfokussierkontrollsystem.

Info

Publication number
DE68917435D1
DE68917435D1 DE68917435T DE68917435T DE68917435D1 DE 68917435 D1 DE68917435 D1 DE 68917435D1 DE 68917435 T DE68917435 T DE 68917435T DE 68917435 T DE68917435 T DE 68917435T DE 68917435 D1 DE68917435 D1 DE 68917435D1
Authority
DE
Germany
Prior art keywords
control system
focus control
self focus
self
focus
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
DE68917435T
Other languages
English (en)
Other versions
DE68917435T2 (de
Inventor
Akira Ogasawara
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.)
Nikon Corp
Original Assignee
Nikon 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 Nikon Corp filed Critical Nikon Corp
Publication of DE68917435D1 publication Critical patent/DE68917435D1/de
Application granted granted Critical
Publication of DE68917435T2 publication Critical patent/DE68917435T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
DE68917435T 1988-11-28 1989-11-27 Selbstfokussierkontrollsystem. Expired - Lifetime DE68917435T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63300313A JP2934706B2 (ja) 1988-11-28 1988-11-28 自動焦点調節装置

Publications (2)

Publication Number Publication Date
DE68917435D1 true DE68917435D1 (de) 1994-09-15
DE68917435T2 DE68917435T2 (de) 1995-03-16

Family

ID=17883275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68917435T Expired - Lifetime DE68917435T2 (de) 1988-11-28 1989-11-27 Selbstfokussierkontrollsystem.

Country Status (4)

Country Link
US (1) US5153630A (de)
EP (1) EP0372772B1 (de)
JP (1) JP2934706B2 (de)
DE (1) DE68917435T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04133015A (ja) * 1990-09-26 1992-05-07 Nikon Corp 自動焦点装置の制御方法
JP2990809B2 (ja) * 1991-01-16 1999-12-13 株式会社ニコン 自動焦点調節装置
DE4105003A1 (de) * 1991-02-19 1992-08-20 Hell Ag Linotype Verfahren und einrichtung zur scharfeinstellung eines optischen abbildungs-systems
JP3136661B2 (ja) * 1991-06-24 2001-02-19 株式会社ニコン 自動焦点調節装置
JP3211366B2 (ja) * 1992-05-11 2001-09-25 株式会社ニコン 自動焦点調節装置
DE69412626T2 (de) † 1993-07-15 1999-01-28 Minnesota Mining & Mfg Dichtungen für eine vorrichtung zum abgeben eines aerosols
JP3500435B2 (ja) * 1994-05-19 2004-02-23 株式会社ニコン 自動焦点調節装置および自動焦点調節方法
JPH1068870A (ja) * 1996-08-29 1998-03-10 Asahi Optical Co Ltd 多点オートフォーカス装置
US7030351B2 (en) * 2003-11-24 2006-04-18 Mitutoyo Corporation Systems and methods for rapidly automatically focusing a machine vision inspection system
JP2005173267A (ja) * 2003-12-11 2005-06-30 Canon Inc 焦点調節装置、光学機器および撮像装置
CN101848333B (zh) * 2009-03-25 2011-09-28 佛山普立华科技有限公司 成像装置及其对焦方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545031A (en) * 1978-09-27 1980-03-29 Nippon Kogaku Kk <Nikon> Focus state detector
JPS57128307A (en) * 1981-02-03 1982-08-09 Nippon Kogaku Kk <Nikon> Automatic focus adjuster
JPS5858508A (ja) * 1981-10-02 1983-04-07 Minolta Camera Co Ltd 自動焦点調節装置
US4509841A (en) * 1981-12-17 1985-04-09 Canon Kabushiki Kaisha Automatic focusing device
JPS58143327A (ja) * 1982-02-19 1983-08-25 Nippon Kogaku Kk <Nikon> カメラの自動焦点調節装置
US4613224A (en) * 1982-07-10 1986-09-23 Nippon Kogaku K. K. Motor driver for auto-focus camera
JPS5968713A (ja) * 1982-10-13 1984-04-18 Minolta Camera Co Ltd カメラの自動焦点調節装置
JPS60156028A (ja) * 1984-01-25 1985-08-16 Nippon Kogaku Kk <Nikon> 自動合焦装置
US4702584A (en) * 1984-06-16 1987-10-27 Minolta Camera Kabushiki Kaisha Automatic focusing camera
DE3510066C1 (de) * 1985-03-20 1986-05-07 Will Wetzlar Gmbh, 6330 Wetzlar Verfahren zur Fokussierung eines optischen Abbildungssystems sowie Einrichtung zur Durchfuehrung des Verfahrens
JP2572372B2 (ja) * 1985-05-23 1997-01-16 株式会社ニコン 焦点検出装置
US4762986A (en) * 1986-03-10 1988-08-09 Canon Kabushiki Kaisha Automatic focussing system including in-focus position prediction means
US4772909A (en) * 1986-03-27 1988-09-20 Nippon Kogaku K. K. Lens drive control apparatus for automatic focusing
JPH0721578B2 (ja) * 1986-03-28 1995-03-08 株式会社ニコン 自動合焦装置
JPS63172239A (ja) * 1987-01-12 1988-07-15 Canon Inc オートフオーカス装置
JPS6479712A (en) * 1987-09-21 1989-03-24 Fuji Photo Film Co Ltd Automatic focusing adjuster

Also Published As

Publication number Publication date
JP2934706B2 (ja) 1999-08-16
DE68917435T2 (de) 1995-03-16
EP0372772A1 (de) 1990-06-13
EP0372772B1 (de) 1994-08-10
JPH02146010A (ja) 1990-06-05
US5153630A (en) 1992-10-06

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: DRES. WESER UND MARTIN, 81245 MUENCHEN

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: WESER & KOLLEGEN, 81245 MUENCHEN