DE3246646A1 - Automatische scharfeinstelleinrichtung - Google Patents

Automatische scharfeinstelleinrichtung

Info

Publication number
DE3246646A1
DE3246646A1 DE19823246646 DE3246646A DE3246646A1 DE 3246646 A1 DE3246646 A1 DE 3246646A1 DE 19823246646 DE19823246646 DE 19823246646 DE 3246646 A DE3246646 A DE 3246646A DE 3246646 A1 DE3246646 A1 DE 3246646A1
Authority
DE
Germany
Prior art keywords
lens
signal
output
circuit
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.)
Granted
Application number
DE19823246646
Other languages
German (de)
English (en)
Other versions
DE3246646C2 (en:Method
Inventor
Takashi Kamakura Kanagawa Kawabata
Shinji Tokyo Sakai
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
Priority claimed from JP20495381A external-priority patent/JPS58105113A/ja
Priority claimed from JP20578681A external-priority patent/JPS58106506A/ja
Priority claimed from JP20578981A external-priority patent/JPS58106509A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE3246646A1 publication Critical patent/DE3246646A1/de
Application granted granted Critical
Publication of DE3246646C2 publication Critical patent/DE3246646C2/de
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
    • G02B7/36—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)
DE19823246646 1981-12-17 1982-12-16 Automatische scharfeinstelleinrichtung Granted DE3246646A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP20495381A JPS58105113A (ja) 1981-12-17 1981-12-17 レンズ制御装置
JP20578681A JPS58106506A (ja) 1981-12-18 1981-12-18 レンズ駆動装置
JP20578981A JPS58106509A (ja) 1981-12-18 1981-12-18 レンズ制御方式

Publications (2)

Publication Number Publication Date
DE3246646A1 true DE3246646A1 (de) 1983-06-30
DE3246646C2 DE3246646C2 (en:Method) 1992-04-09

Family

ID=27328432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823246646 Granted DE3246646A1 (de) 1981-12-17 1982-12-16 Automatische scharfeinstelleinrichtung

Country Status (2)

Country Link
US (1) US4509841A (en:Method)
DE (1) DE3246646A1 (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876564A (en) * 1986-01-23 1989-10-24 Canon Kabushiki Kaisha Drive device for photographic lens
JPH0250139A (ja) * 1988-05-16 1990-02-20 Minolta Camera Co Ltd カメラの自動焦点調節装置
JP2934706B2 (ja) * 1988-11-28 1999-08-16 株式会社ニコン 自動焦点調節装置
US7075513B2 (en) * 2001-09-04 2006-07-11 Nokia Corporation Zooming and panning content on a display screen
JP3962658B2 (ja) * 2002-08-26 2007-08-22 キヤノン株式会社 カメラ、レンズ装置およびカメラシステム
US20120077206A1 (en) 2003-07-12 2012-03-29 Accelr8 Technology Corporation Rapid Microbial Detection and Antimicrobial Susceptibility Testing
JP4773348B2 (ja) 2003-07-12 2011-09-14 アクセラー８ テクノロジー コーポレイション 高感度かつ迅速なバイオ検出法
EP2683831B1 (en) 2011-03-07 2015-09-23 Accelerate Diagnostics, Inc. Rapid cell purification systems
US10254204B2 (en) 2011-03-07 2019-04-09 Accelerate Diagnostics, Inc. Membrane-assisted purification
US9677109B2 (en) 2013-03-15 2017-06-13 Accelerate Diagnostics, Inc. Rapid determination of microbial growth and antimicrobial susceptibility
AU2016243656A1 (en) 2015-03-30 2017-11-09 Accelerate Diagnostics, Inc. Instrument and system for rapid microorganism identification and antimicrobial agent susceptibility testing
US10253355B2 (en) 2015-03-30 2019-04-09 Accelerate Diagnostics, Inc. Instrument and system for rapid microorganism identification and antimicrobial agent susceptibility testing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091275A (en) * 1976-10-07 1978-05-23 Honeywell Inc. Automatic focus system with oscillation inhibit circuit
DE2824201A1 (de) * 1977-06-06 1978-12-14 Honeywell Inc Automatisches fokussiersystem
US4200378A (en) * 1976-10-04 1980-04-29 Polaroid Corporation Automatic focusing camera with lens jam sensor control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200378A (en) * 1976-10-04 1980-04-29 Polaroid Corporation Automatic focusing camera with lens jam sensor control
US4091275A (en) * 1976-10-07 1978-05-23 Honeywell Inc. Automatic focus system with oscillation inhibit circuit
DE2824201A1 (de) * 1977-06-06 1978-12-14 Honeywell Inc Automatisches fokussiersystem

Also Published As

Publication number Publication date
US4509841A (en) 1985-04-09
DE3246646C2 (en:Method) 1992-04-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition