BRPI1105743A2 - Sistemas de lentes e de captura de imagem - Google Patents

Sistemas de lentes e de captura de imagem Download PDF

Info

Publication number
BRPI1105743A2
BRPI1105743A2 BRPI1105743-2A BRPI1105743A BRPI1105743A2 BR PI1105743 A2 BRPI1105743 A2 BR PI1105743A2 BR PI1105743 A BRPI1105743 A BR PI1105743A BR PI1105743 A2 BRPI1105743 A2 BR PI1105743A2
Authority
BR
Brazil
Prior art keywords
unit
maximum current
current value
lens
drive
Prior art date
Application number
BRPI1105743-2A
Other languages
English (en)
Portuguese (pt)
Inventor
Junichi Kasuya
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of BRPI1105743A2 publication Critical patent/BRPI1105743A2/pt

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/04—Viewfinders of direct vision type, e.g. frame, sighting mark
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
BRPI1105743-2A 2010-12-17 2011-12-16 Sistemas de lentes e de captura de imagem BRPI1105743A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010281453A JP5725834B2 (ja) 2010-12-17 2010-12-17 レンズシステム

Publications (1)

Publication Number Publication Date
BRPI1105743A2 true BRPI1105743A2 (pt) 2013-10-08

Family

ID=45440022

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1105743-2A BRPI1105743A2 (pt) 2010-12-17 2011-12-16 Sistemas de lentes e de captura de imagem

Country Status (5)

Country Link
US (1) US8711490B2 (cg-RX-API-DMAC7.html)
EP (1) EP2466356B1 (cg-RX-API-DMAC7.html)
JP (1) JP5725834B2 (cg-RX-API-DMAC7.html)
CN (1) CN102540389B (cg-RX-API-DMAC7.html)
BR (1) BRPI1105743A2 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104067169B (zh) * 2012-01-18 2016-04-06 富士胶片株式会社 镜头装置、驱动方法以及拍摄装置
CN106877762B (zh) * 2017-03-24 2023-03-28 陕西科技大学 一种步进电机驱动器电流标定装置及方法
JP7358116B2 (ja) * 2019-08-21 2023-10-10 キヤノン株式会社 撮像装置、制御装置、プログラム、記憶媒体及び制御方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5872433A (en) * 1986-05-21 1999-02-16 Canon Kabushiki Kaisha Image pickup apparatus including interruption means for causing recordation of an electrical image signal in response to operation of a second trigger before completion of a predetermined step by a first trigger
JPH0431808A (ja) 1990-05-28 1992-02-04 Fuji Photo Optical Co Ltd ズームレンズの制御装置
JPH06138358A (ja) * 1992-10-28 1994-05-20 Canon Inc 光学機器のモータ制御方法及び装置
JP3483211B2 (ja) 1993-04-16 2004-01-06 富士写真光機株式会社 テレビカメラ用レンズの駆動装置
JP3873321B2 (ja) * 1996-05-14 2007-01-24 フジノン株式会社 テレビカメラ用ズームレンズ制御装置
JP2000111780A (ja) 1998-10-05 2000-04-21 Fuji Photo Optical Co Ltd レンズ装置
JP3555607B2 (ja) * 2001-11-29 2004-08-18 ミノルタ株式会社 オートフォーカス装置
JP2005077698A (ja) * 2003-08-29 2005-03-24 Ricoh Co Ltd デジタルカメラ
JP2007148075A (ja) * 2005-11-29 2007-06-14 Sharp Corp レンズ駆動装置およびレンズ駆動方法
JP4869200B2 (ja) * 2007-10-02 2012-02-08 キヤノン株式会社 テレビレンズ装置及びそれを備えたテレビカメラシステム
JP5379739B2 (ja) * 2010-04-30 2013-12-25 キヤノン株式会社 レンズ装置

Also Published As

Publication number Publication date
CN102540389B (zh) 2015-03-11
US20120154927A1 (en) 2012-06-21
US8711490B2 (en) 2014-04-29
EP2466356B1 (en) 2019-03-27
JP2012128315A (ja) 2012-07-05
EP2466356A1 (en) 2012-06-20
JP5725834B2 (ja) 2015-05-27
CN102540389A (zh) 2012-07-04

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements