JPH0638537Y2 - プロジェクションテレビのピント合わせ装置 - Google Patents

プロジェクションテレビのピント合わせ装置

Info

Publication number
JPH0638537Y2
JPH0638537Y2 JP1988130397U JP13039788U JPH0638537Y2 JP H0638537 Y2 JPH0638537 Y2 JP H0638537Y2 JP 1988130397 U JP1988130397 U JP 1988130397U JP 13039788 U JP13039788 U JP 13039788U JP H0638537 Y2 JPH0638537 Y2 JP H0638537Y2
Authority
JP
Japan
Prior art keywords
lens barrel
projection
lens
cylindrical
barrel
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 - Lifetime
Application number
JP1988130397U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0251476U (en]
Inventor
伸一 長谷川
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP1988130397U priority Critical patent/JPH0638537Y2/ja
Priority to US07/396,656 priority patent/US5202706A/en
Publication of JPH0251476U publication Critical patent/JPH0251476U/ja
Application granted granted Critical
Publication of JPH0638537Y2 publication Critical patent/JPH0638537Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP1988130397U 1988-10-06 1988-10-06 プロジェクションテレビのピント合わせ装置 Expired - Lifetime JPH0638537Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988130397U JPH0638537Y2 (ja) 1988-10-06 1988-10-06 プロジェクションテレビのピント合わせ装置
US07/396,656 US5202706A (en) 1988-10-06 1989-08-22 Focusing apparatus in projection television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988130397U JPH0638537Y2 (ja) 1988-10-06 1988-10-06 プロジェクションテレビのピント合わせ装置

Publications (2)

Publication Number Publication Date
JPH0251476U JPH0251476U (en]) 1990-04-11
JPH0638537Y2 true JPH0638537Y2 (ja) 1994-10-05

Family

ID=15033325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988130397U Expired - Lifetime JPH0638537Y2 (ja) 1988-10-06 1988-10-06 プロジェクションテレビのピント合わせ装置

Country Status (2)

Country Link
US (1) US5202706A (en])
JP (1) JPH0638537Y2 (en])

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671088A (en) * 1992-06-03 1997-09-23 Leupold & Stevens, Inc. Variable optical aiming devices
EP0728316B1 (en) * 1993-11-12 2002-02-13 Itt Manufacturing Enterprises, Inc. Monocular night vision devices
WO1996010764A1 (en) * 1994-09-30 1996-04-11 International Standard Electric Corp. Collimator/diopter assembly with folded optics for a night vision monocular device
JP3214262B2 (ja) * 1994-11-15 2001-10-02 松下電器産業株式会社 投写レンズ装置
KR0153117B1 (ko) * 1995-02-15 1998-12-01 배순훈 입체용 투영기의 투영렌즈 구동장치
US5774280A (en) * 1995-08-25 1998-06-30 Canon Kabushiki Kaisha Lens barrel and optical apparatus
JP3417446B2 (ja) * 1996-10-01 2003-06-16 富士写真光機株式会社 像安定化装置
US5822137A (en) * 1997-02-27 1998-10-13 Minnesota Mining & Manufacturing Co. Assembly for retaining optical components
US6285416B1 (en) * 1999-05-06 2001-09-04 Corning Precision Lens Apparatus and method for a focus position lock device for a projection television lens assembly
US6196755B1 (en) * 1999-05-06 2001-03-06 Corning Incorporated Locking device for projection television lens assembly
US7118229B2 (en) * 2001-02-27 2006-10-10 Seiko Epson Corporation Illumination optical system and projector using the same
US6441976B1 (en) 2001-05-15 2002-08-27 Corning Precision Lens, Inc. Lens system having compliant optic mounting structure
US6600612B2 (en) 2001-05-15 2003-07-29 3M Innovative Properties Company Lens system having resilient members to axially position optics
US7813634B2 (en) 2005-02-28 2010-10-12 Tessera MEMS Technologies, Inc. Autofocus camera
JP4152168B2 (ja) * 2002-08-12 2008-09-17 Ｔｈｋ株式会社 レンズ取付機構及びプロジェクタ装置
US7045936B2 (en) * 2002-10-01 2006-05-16 Hitachi Electronic Devices (Usa), Inc. Projection coupler with contrast ribs
US7359131B1 (en) * 2005-02-28 2008-04-15 Siimpel Corporation Lens positioning systems and methods
US11025031B2 (en) 2016-11-29 2021-06-01 Leonardo Electronics Us Inc. Dual junction fiber-coupled laser diode and related methods
EP3837743A4 (en) 2018-08-13 2022-05-18 Leonardo Electronics US Inc. Use of metal-core printed circuit board (pcb) for generation of ultra-narrow, high-current pulse driver
US11056854B2 (en) 2018-08-14 2021-07-06 Leonardo Electronics Us Inc. Laser assembly and related methods
US11296481B2 (en) 2019-01-09 2022-04-05 Leonardo Electronics Us Inc. Divergence reshaping array
US11752571B1 (en) 2019-06-07 2023-09-12 Leonardo Electronics Us Inc. Coherent beam coupler
US12253685B2 (en) 2019-09-16 2025-03-18 Leonardo Electronics Us Inc. Asymmetric input intensity hexagonal homogenizer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322150A (en) * 1979-07-30 1982-03-30 Canon Kabushiki Kaisha Mechanical mounting system for zoom objective
JPS58159503U (ja) * 1982-04-19 1983-10-24 キノ精密工業株式会社 レンズ鏡筒に於ける焦点ロツク装置
JPS58195812A (ja) * 1982-05-12 1983-11-15 Hitachi Ltd ズ−ムレンズ用カム環
US4585313A (en) * 1982-12-14 1986-04-29 West Electric Company Ltd. Lens drive device and optical lens assembly utilizing the same
JPS6041012A (ja) * 1983-08-16 1985-03-04 Canon Inc ズ−ムレンズ鏡胴
JPS612115A (ja) * 1984-06-13 1986-01-08 Konishiroku Photo Ind Co Ltd 撮影レンズ駆動装置
US4779964A (en) * 1985-11-08 1988-10-25 Ricoh Company, Ltd. Zoom lens with a mechanism for moving a first lens so as to be compactly housed
US4834514A (en) * 1986-09-30 1989-05-30 Kyocera Corporation Zoom lens mount assembly

Also Published As

Publication number Publication date
JPH0251476U (en]) 1990-04-11
US5202706A (en) 1993-04-13

Similar Documents

Publication Publication Date Title
JPH0638537Y2 (ja) プロジェクションテレビのピント合わせ装置
US5054886A (en) Lens frame
US4957341A (en) Integral type lens
US5045930A (en) Optical system for a three-tube projection television set
US20030128304A1 (en) Projection lens unit of projection television
US20060007564A1 (en) Lens holder for lens device and process of assembring lens device equipped with the lens holder
US4989950A (en) Lens position correction device
JP2000066076A (ja) レンズ鏡筒
US4426135A (en) Lens attchment for forming wide-ranging images
CN112445057B (zh) 一种反射镜调整机构、投影光机以及投影仪
CN213023919U (zh) 一种投影光机用反射镜调整机构、投影光机以及投影仪
JPS5831124Y2 (ja) レンズ構体
JPH0435849Y2 (en])
JPS62187808A (ja) レンズ保持装置
JPH0574050B2 (en])
CN212540824U (zh) 一种镜头组件、摄像头模组、终端
JPH07333497A (ja) アナモルフィックコンバージョンレンズ装置
JPH0687091B2 (ja) レンズ保持装置
JPH0519349A (ja) 投射型表示装置
JPS62129807A (ja) レンズ保持装置
JPS6315565B2 (en])
JP4115169B2 (ja) プリズム固定装置、及びプリズム固定方法
JPS6320223Y2 (en])
JP2926370B2 (ja) レンズ体
JP2595801Y2 (ja) レンズ鏡筒群