KR920010327A - 카메라용 렌즈경통(鏡筒) - Google Patents

카메라용 렌즈경통(鏡筒) Download PDF

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Publication number
KR920010327A
KR920010327A KR1019910018459A KR910018459A KR920010327A KR 920010327 A KR920010327 A KR 920010327A KR 1019910018459 A KR1019910018459 A KR 1019910018459A KR 910018459 A KR910018459 A KR 910018459A KR 920010327 A KR920010327 A KR 920010327A
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KR
South Korea
Prior art keywords
stepping motor
group lens
camera
control means
speed drive
Prior art date
Application number
KR1019910018459A
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English (en)
Other versions
KR100195315B1 (ko
Inventor
히로시 가와무라
노리가쓰 이노우에
구니오 나까자도
아끼히도 나까야마
Original Assignee
오가 노리오
소니 가부시기가이샤
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.)
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17945205&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR920010327(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 오가 노리오, 소니 가부시기가이샤 filed Critical 오가 노리오
Publication of KR920010327A publication Critical patent/KR920010327A/ko
Application granted granted Critical
Publication of KR100195315B1 publication Critical patent/KR100195315B1/ko

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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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

내용 없음.

Description

카메라용 렌즈경통(鏡筒)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 카메라용 렌즈경통의 실시예의 분해 사시도,
제2도는 본원 발명의 실시예의 제어시스템구성도.

Claims (3)

  1. 합초용(合焦用)제1군렌즈, 이동가능한 변배용(變培用)제2군렌즈, 보정용 제3군렌즈 및 결상용(結像用)제4군렌즈가 광축에 따라 배설되고, 그 구동계를 수용하는 카메라용 렌즈경통(鏡筒)에 있어서, 스테핑모터, 최소한 이 스테핑모터를 마이크로 스텝구동제어 가능한 제어수단 및 상기 스테핑모터의 회전에 응답하여 제2군렌즈를 광축에 따라 이동시키는 이동기구를 배설하고, 상기 제어수단은 상기 스테핑모터의 제어량에 의거하여 제2군렌즈의 위치제어를 행하는 것을 특징으로 하는 카메라용 렌즈경통.
  2. 제1항에 있어서, 상기 제어수단은 제2군렌즈가 끝점에 위치했을 때의 상기 스테핑모터의 회전위치를 기준으로 하여, 그 후의 상기 스테핑모터의 제어량에 의거하여 제2군렌즈의 위치를 산출하는 것을 특징으로 하는 카메라용 렌즈경통.
  3. 제1항 또는 제2항에 있어서, 고속구동모드 또는 저속구동모드를 선택가능한 모드스위치를 구비하고, 상기 제어수단은 고속구동모드선택시에는 상기 스테핑모터를 펄스구동시키고, 저속구동모드선택시에는 상기 스테핑모터를 마이크로스텝구동시키는 것을 특징으로 하는 카메라용 렌즈경통.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910018459A 1990-11-09 1991-10-19 카메라용 렌즈경통 KR100195315B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP90-305,443 1990-11-09
JP30544390A JP3201522B2 (ja) 1990-11-09 1990-11-09 カメラ用レンズ鏡筒

Publications (2)

Publication Number Publication Date
KR920010327A true KR920010327A (ko) 1992-06-26
KR100195315B1 KR100195315B1 (ko) 1999-06-15

Family

ID=17945205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910018459A KR100195315B1 (ko) 1990-11-09 1991-10-19 카메라용 렌즈경통

Country Status (6)

Country Link
US (1) US5519465A (ko)
EP (1) EP0485302B1 (ko)
JP (1) JP3201522B2 (ko)
KR (1) KR100195315B1 (ko)
DE (1) DE69116984T2 (ko)
SG (1) SG83080A1 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3158753B2 (ja) * 1992-12-29 2001-04-23 キヤノン株式会社 レンズ駆動装置
KR100282055B1 (ko) * 1993-03-30 2001-02-15 이데이 노부유끼 전자구동장치 및 전자구동장치를 이용한 포커스 제어장치
US5594311A (en) * 1993-06-15 1997-01-14 Canon Kabushiki Kaisha Lens controlling apparatus
EP0751413B1 (en) * 1995-06-30 2003-09-17 Eastman Kodak Company Zoom lens apparatus
GB9601753D0 (en) * 1996-01-29 1996-03-27 Switched Reluctance Drives Ltd Dual mode position control systems with speed profiling
KR100217789B1 (ko) * 1996-05-22 1999-09-01 가타오카 마사타카 스테핑모터의 구동방법
KR100312615B1 (ko) * 1999-01-23 2001-11-03 구자홍 광디스크 재생/기록기의 서보제어방법 및 장치
DE10114564A1 (de) 2001-03-24 2002-09-26 Conti Temic Microelectronic Stellelement, insbesondere als Teil eines Stellantriebs für eine Bildaufnahmeeinrichtung
DE10114563A1 (de) 2001-03-24 2002-10-24 Conti Temic Microelectronic Stellelement, insbesondere als Teil eines Stellantriebs für eine Bildaufnahmeeinrichtung
WO2004047421A2 (en) 2002-11-14 2004-06-03 Donnelly Corporation Imaging system for vehicle
US7124710B2 (en) * 2004-01-26 2006-10-24 Planetwise Products, Inc. Clumping animal litter and method for making same
JP4578895B2 (ja) * 2004-08-25 2010-11-10 パナソニック株式会社 レンズ駆動装置
JP4652755B2 (ja) * 2004-09-13 2011-03-16 キヤノン株式会社 モータ制御装置、撮像装置、モータ制御方法、モータ制御プログラムおよび記録媒体
EP1998202B1 (en) * 2007-06-01 2013-12-18 STMicroelectronics (Grenoble) SAS Mobile lens unit with detection device
JP5560378B2 (ja) * 2011-09-28 2014-07-23 富士フイルム株式会社 撮像装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534624A (en) * 1981-07-14 1985-08-13 Canon Kabushiki Kaisha Construction of lens barrel operated by electromagnetic induction
US4862046A (en) * 1982-09-23 1989-08-29 Preston Howard J Zoom motor control
JPS61240897A (ja) * 1985-04-16 1986-10-27 Canon Inc ステツプモ−タ駆動装置
US4743931A (en) * 1985-12-05 1988-05-10 Olympus Optical Company, Ltd. Apparatus for delivering distance information of camera
US4768051A (en) * 1986-04-07 1988-08-30 Ricoh Company, Ltd. Electric driving device
US4729536A (en) * 1986-11-04 1988-03-08 Harry Scala Anagraphic stand
US4799073A (en) * 1986-12-15 1989-01-17 Fuji Photo Film Co., Ltd. Lens shifting mechanism
JP2733584B2 (ja) * 1988-01-30 1998-03-30 チノン株式会社 レンズ鏡筒
US5005956A (en) * 1988-06-01 1991-04-09 Canon Kabushiki Kaisha Lens position control device
US5144491A (en) * 1989-04-24 1992-09-01 Canon Kabushiki Kaisha Apparatus with lens control device
JPH07119881B2 (ja) * 1989-06-23 1995-12-20 キヤノン株式会社 レンズ位置制御方法
JPH03150513A (ja) * 1989-11-08 1991-06-26 Canon Inc 光学機器のレンズ駆動装置
US5146071A (en) * 1990-04-24 1992-09-08 Olympus Optical Co., Ltd. Optical lens system-driving control apparatus for microscopically driving a plurality of lens groups
JP2881959B2 (ja) * 1990-05-21 1999-04-12 ソニー株式会社 カメラ用レンズ鏡筒
JPH0727099B2 (ja) * 1990-10-02 1995-03-29 キヤノン株式会社 レンズ駆動装置を有する光学機器

Also Published As

Publication number Publication date
DE69116984D1 (de) 1996-03-21
DE69116984T2 (de) 1996-08-01
KR100195315B1 (ko) 1999-06-15
EP0485302A3 (en) 1993-01-13
JPH04177208A (ja) 1992-06-24
US5519465A (en) 1996-05-21
SG83080A1 (en) 2001-09-18
JP3201522B2 (ja) 2001-08-20
EP0485302A2 (en) 1992-05-13
EP0485302B1 (en) 1996-02-07

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