ATE457474T1 - Steuerungssystem für ein fotografisches objektiv - Google Patents

Steuerungssystem für ein fotografisches objektiv

Info

Publication number
ATE457474T1
ATE457474T1 AT07106646T AT07106646T ATE457474T1 AT E457474 T1 ATE457474 T1 AT E457474T1 AT 07106646 T AT07106646 T AT 07106646T AT 07106646 T AT07106646 T AT 07106646T AT E457474 T1 ATE457474 T1 AT E457474T1
Authority
AT
Austria
Prior art keywords
unit
drive
control system
difference
addition
Prior art date
Application number
AT07106646T
Other languages
English (en)
Inventor
Masaki Suzui
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
Application granted granted Critical
Publication of ATE457474T1 publication Critical patent/ATE457474T1/de

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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
    • 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
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices

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)
  • Eyeglasses (AREA)
  • Optical Couplings Of Light Guides (AREA)
AT07106646T 2006-04-28 2007-04-20 Steuerungssystem für ein fotografisches objektiv ATE457474T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006125487A JP4865398B2 (ja) 2006-04-28 2006-04-28 操作装置及びレンズ装置

Publications (1)

Publication Number Publication Date
ATE457474T1 true ATE457474T1 (de) 2010-02-15

Family

ID=38325235

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07106646T ATE457474T1 (de) 2006-04-28 2007-04-20 Steuerungssystem für ein fotografisches objektiv

Country Status (5)

Country Link
US (1) US7755850B2 (de)
EP (1) EP1850171B1 (de)
JP (1) JP4865398B2 (de)
AT (1) ATE457474T1 (de)
DE (1) DE602007004686D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6046924B2 (ja) * 2012-06-08 2016-12-21 キヤノン株式会社 レンズシステム、撮像システム及びレンズシステムの駆動制御方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883689A (en) * 1973-09-04 1975-05-13 Nasa Servo-controlled intravital microscope system
JPH03107384A (ja) * 1989-09-20 1991-05-07 Mitsubishi Electric Corp モータ駆動制御装置
JPH0591774A (ja) * 1991-09-24 1993-04-09 Matsushita Electric Ind Co Ltd モータ速度制御装置
US6047133A (en) * 1993-03-26 2000-04-04 Canon Kabushiki Kaisha Image blur prevention apparatus
JP2964915B2 (ja) * 1995-04-28 1999-10-18 日本ビクター株式会社 レンズ駆動制御装置
JPH11275434A (ja) * 1998-03-19 1999-10-08 Star Micronics Co Ltd 撮像カメラの移動速度制御装置およびズーム比可変速度制御装置
JP2001004903A (ja) 1999-06-23 2001-01-12 Fuji Photo Optical Co Ltd テレビレンズシステム
WO2005024507A2 (en) * 2003-09-04 2005-03-17 Chapman/Leonard Studio Equipment Stabilized three-axis camera head

Also Published As

Publication number Publication date
DE602007004686D1 (de) 2010-03-25
EP1850171A2 (de) 2007-10-31
JP4865398B2 (ja) 2012-02-01
US20070253078A1 (en) 2007-11-01
EP1850171A3 (de) 2008-04-30
EP1850171B1 (de) 2010-02-10
US7755850B2 (en) 2010-07-13
JP2007300308A (ja) 2007-11-15

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties