FR2794872B1 - Dispositif de commande d'un objectif a focale variable et dispositif a focale variable - Google Patents

Dispositif de commande d'un objectif a focale variable et dispositif a focale variable

Info

Publication number
FR2794872B1
FR2794872B1 FR0007346A FR0007346A FR2794872B1 FR 2794872 B1 FR2794872 B1 FR 2794872B1 FR 0007346 A FR0007346 A FR 0007346A FR 0007346 A FR0007346 A FR 0007346A FR 2794872 B1 FR2794872 B1 FR 2794872B1
Authority
FR
France
Prior art keywords
variable focal
controlling
objective
variable
focal objective
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 - Fee Related
Application number
FR0007346A
Other languages
English (en)
Other versions
FR2794872A1 (fr
Inventor
Kenichi Kubo
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2794872A1 publication Critical patent/FR2794872A1/fr
Application granted granted Critical
Publication of FR2794872B1 publication Critical patent/FR2794872B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B7/02—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
FR0007346A 1999-06-09 2000-06-08 Dispositif de commande d'un objectif a focale variable et dispositif a focale variable Expired - Fee Related FR2794872B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11162663A JP2000352653A (ja) 1999-06-09 1999-06-09 ズームレンズ、ズームレンズシステム、カメラシステムおよびズーム制御装置

Publications (2)

Publication Number Publication Date
FR2794872A1 FR2794872A1 (fr) 2000-12-15
FR2794872B1 true FR2794872B1 (fr) 2005-04-08

Family

ID=15758923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0007346A Expired - Fee Related FR2794872B1 (fr) 1999-06-09 2000-06-08 Dispositif de commande d'un objectif a focale variable et dispositif a focale variable

Country Status (3)

Country Link
US (1) US6268967B1 (fr)
JP (1) JP2000352653A (fr)
FR (1) FR2794872B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000253293A (ja) * 1999-02-26 2000-09-14 Minolta Co Ltd デジタルカメラ
JP4566616B2 (ja) * 2003-06-03 2010-10-20 キヤノン株式会社 レンズ装置
JP4593172B2 (ja) * 2004-05-25 2010-12-08 公立大学法人会津大学 カメラ制御装置
FR2940840B1 (fr) * 2009-01-07 2012-06-01 Michel Henri Hilaire Mazier Procede de recadrage-image en cours d'enregistrement video, sans interruption de l'image et du son grace au pre-parametrage des cadrages selon l'echelle des plans filmiques

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03135171A (ja) * 1989-10-19 1991-06-10 Sharp Corp カメラ装置
US5331419A (en) * 1991-03-26 1994-07-19 Kyocera Corporation Size display system for electronic camera
KR0147572B1 (ko) * 1992-10-09 1998-09-15 김광호 자동 줌잉을 위한 피사체 추적방법 및 그 장치
JPH06250071A (ja) * 1993-02-24 1994-09-09 Canon Inc リヤーフォーカス式のズームレンズ
JP3376241B2 (ja) * 1997-04-04 2003-02-10 キヤノン株式会社 ズームレンズのレンズ駆動制御装置
JP3915104B2 (ja) * 1997-11-17 2007-05-16 フジノン株式会社 レンズの制御方法

Also Published As

Publication number Publication date
JP2000352653A (ja) 2000-12-19
FR2794872A1 (fr) 2000-12-15
US6268967B1 (en) 2001-07-31

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Year of fee payment: 16

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Effective date: 20170228