GB2229010A - Light intercepting device in lens barrel - Google Patents

Light intercepting device in lens barrel Download PDF

Info

Publication number
GB2229010A
GB2229010A GB9002796A GB9002796A GB2229010A GB 2229010 A GB2229010 A GB 2229010A GB 9002796 A GB9002796 A GB 9002796A GB 9002796 A GB9002796 A GB 9002796A GB 2229010 A GB2229010 A GB 2229010A
Authority
GB
United Kingdom
Prior art keywords
light intercepting
lens
cylindrical portion
frame
lens group
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.)
Withdrawn
Application number
GB9002796A
Other languages
English (en)
Other versions
GB9002796D0 (en
Inventor
Hitoshi Nakata
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB9002796D0 publication Critical patent/GB9002796D0/en
Publication of GB2229010A publication Critical patent/GB2229010A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • 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
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/20—Light-tight connections for movable optical elements
    • G02B7/22—Extensible connections, e.g. bellows

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Structure And Mechanism Of Cameras (AREA)
GB9002796A 1989-02-10 1990-02-08 Light intercepting device in lens barrel Withdrawn GB2229010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989014882U JPH0755525Y2 (ja) 1989-02-10 1989-02-10 レンズシャッタ式カメラのレンズ鏡筒の遮光装置

Publications (2)

Publication Number Publication Date
GB9002796D0 GB9002796D0 (en) 1990-04-04
GB2229010A true GB2229010A (en) 1990-09-12

Family

ID=11873383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9002796A Withdrawn GB2229010A (en) 1989-02-10 1990-02-08 Light intercepting device in lens barrel

Country Status (5)

Country Link
US (1) US5033819A (US06342305-20020129-C00040.png)
JP (1) JPH0755525Y2 (US06342305-20020129-C00040.png)
DE (1) DE4003672A1 (US06342305-20020129-C00040.png)
FR (1) FR2643155B1 (US06342305-20020129-C00040.png)
GB (1) GB2229010A (US06342305-20020129-C00040.png)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238393A (en) * 1989-11-09 1991-05-29 Asahi Optical Co Ltd Lens barrier having several movable blades
US5276552A (en) * 1989-02-09 1994-01-04 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting mask of lens
US5343331A (en) * 1989-02-09 1994-08-30 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting frame of lens
US5434714A (en) * 1989-03-31 1995-07-18 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel
US5614973A (en) * 1993-11-30 1997-03-25 Asahi Kogaku Kogyo Kabushiki Kaisha Lens barrier mechanism

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2582660Y2 (ja) * 1992-06-11 1998-10-08 旭光学工業株式会社 レンズ鏡筒の遮光装置
JPH0637811U (ja) * 1992-10-19 1994-05-20 旭光学工業株式会社 カメラの遮光装置
JP2594825Y2 (ja) * 1992-12-04 1999-05-10 旭光学工業株式会社 レンズ鏡筒の遮光装置
KR0133039B1 (ko) * 1993-04-26 1998-04-15 이대원 줌잉 작동하는 렌즈계를 보유하는 광학기기
US5604638A (en) * 1993-12-01 1997-02-18 Asahi Kogaku Kogyo Kabushiki Kaisha Anti-reflection structure for zoom lens barrel
US5581412A (en) * 1993-12-27 1996-12-03 Asahi Kogaku Kogyo Kabushiki Kaisha Flexible printed circuit board supporting structure of lens barrel
US5754896A (en) * 1995-05-09 1998-05-19 Nikon Corporation Lens device having a focusing lens unit coupled to a drive ring by a coupling member and having a notch to prevent the coupling member from obstructing insertion of the focusing lens unit into the lens device
US5708885A (en) * 1996-01-26 1998-01-13 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting device of a lens shutter type of camera
US20050169627A1 (en) * 2004-02-02 2005-08-04 Alps Electric Co., Ltd. Built-in cartridge shutter lens barrel and camera device using the same
JP4362075B2 (ja) * 2004-02-09 2009-11-11 Ｈｏｙａ株式会社 双眼鏡
US20050230605A1 (en) * 2004-04-20 2005-10-20 Hamid Pishdadian Method of measuring using a binary optical sensor
USRE46672E1 (en) 2006-07-13 2018-01-16 Velodyne Lidar, Inc. High definition LiDAR system
US10627490B2 (en) 2016-01-31 2020-04-21 Velodyne Lidar, Inc. Multiple pulse, LIDAR based 3-D imaging
WO2017164989A1 (en) 2016-03-19 2017-09-28 Velodyne Lidar, Inc. Integrated illumination and detection for lidar based 3-d imaging
US10393877B2 (en) 2016-06-01 2019-08-27 Velodyne Lidar, Inc. Multiple pixel scanning LIDAR
EP3593166B1 (en) 2017-03-31 2024-04-17 Velodyne Lidar USA, Inc. Integrated lidar illumination power control
CA3062701A1 (en) 2017-05-08 2018-11-15 Velodyne Lidar, Inc. Lidar data acquisition and control
US11294041B2 (en) 2017-12-08 2022-04-05 Velodyne Lidar Usa, Inc. Systems and methods for improving detection of a return signal in a light ranging and detection system
US10712434B2 (en) 2018-09-18 2020-07-14 Velodyne Lidar, Inc. Multi-channel LIDAR illumination driver
US11082010B2 (en) 2018-11-06 2021-08-03 Velodyne Lidar Usa, Inc. Systems and methods for TIA base current detection and compensation
US11885958B2 (en) 2019-01-07 2024-01-30 Velodyne Lidar Usa, Inc. Systems and methods for a dual axis resonant scanning mirror

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254537A (en) * 1938-10-10 1941-09-02 Zoiss Ikon Ag Photographic objective
US4002402A (en) * 1974-02-27 1977-01-11 Hiroshi Mito Lens hood for zoom lenses
US4214829A (en) * 1977-06-01 1980-07-29 Fuji Photo Film Co., Ltd. Photographic camera with built-in optical converter
US4441794A (en) * 1980-08-04 1984-04-10 Field Roger C Adjustable sun screen for camera lens
US4472033A (en) * 1981-06-24 1984-09-18 Nippon Kogaku K.K. Zoom lens having an automatic focus detecting device
US4730901A (en) * 1986-01-10 1988-03-15 Canon Kabushiki Kaisha Lens barrel with internal motor focusing
US4793689A (en) * 1985-12-26 1988-12-27 Canon Kabushiki Kaisha Lens barrel with vibration wave motor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE802038C (de) * 1948-10-02 1951-02-01 Kodak Akt Ges Roehrenauszug an photographischen Kameras
US3809459A (en) * 1972-10-13 1974-05-07 Asahi Optical Co Ltd Antireflection coating for an inner surface of cemented lenses
JPS5445125A (en) * 1977-09-16 1979-04-10 Asahi Optical Co Ltd Enlarging lens with stop down scale illuminating system
JPS55134809A (en) * 1979-04-06 1980-10-21 Canon Inc Lens barrel of closeup photographable zoom lens
JPS59178607U (ja) * 1983-05-16 1984-11-29 オリンパス光学工業株式会社 レンズ鏡筒の遮光装置
JPS6032654U (ja) * 1983-08-05 1985-03-06 株式会社　東海精器 電極移動型電子ライタ−
JPH0646255B2 (ja) * 1985-01-11 1994-06-15 キヤノン株式会社 副絞りを有したレンズ鏡筒
JPS6279432A (ja) * 1985-10-03 1987-04-11 Konishiroku Photo Ind Co Ltd カメラの遮光装置
JPS6339205U (US06342305-20020129-C00040.png) * 1986-08-29 1988-03-14
JPS63160520U (US06342305-20020129-C00040.png) * 1987-04-06 1988-10-20
JPH01167715A (ja) * 1987-12-23 1989-07-03 Olympus Optical Co Ltd 合焦操作切換機構

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254537A (en) * 1938-10-10 1941-09-02 Zoiss Ikon Ag Photographic objective
US4002402A (en) * 1974-02-27 1977-01-11 Hiroshi Mito Lens hood for zoom lenses
US4214829A (en) * 1977-06-01 1980-07-29 Fuji Photo Film Co., Ltd. Photographic camera with built-in optical converter
US4441794A (en) * 1980-08-04 1984-04-10 Field Roger C Adjustable sun screen for camera lens
US4472033A (en) * 1981-06-24 1984-09-18 Nippon Kogaku K.K. Zoom lens having an automatic focus detecting device
US4793689A (en) * 1985-12-26 1988-12-27 Canon Kabushiki Kaisha Lens barrel with vibration wave motor
US4730901A (en) * 1986-01-10 1988-03-15 Canon Kabushiki Kaisha Lens barrel with internal motor focusing

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276552A (en) * 1989-02-09 1994-01-04 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting mask of lens
US5343331A (en) * 1989-02-09 1994-08-30 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting frame of lens
US5434714A (en) * 1989-03-31 1995-07-18 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel
US5450242A (en) * 1989-03-31 1995-09-12 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel
US5636063A (en) * 1989-03-31 1997-06-03 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel
US5646790A (en) * 1989-03-31 1997-07-08 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel
GB2238393A (en) * 1989-11-09 1991-05-29 Asahi Optical Co Ltd Lens barrier having several movable blades
GB2238393B (en) * 1989-11-09 1994-06-01 Asahi Optical Co Ltd Lens barrel shield
US5614973A (en) * 1993-11-30 1997-03-25 Asahi Kogaku Kogyo Kabushiki Kaisha Lens barrier mechanism

Also Published As

Publication number Publication date
US5033819A (en) 1991-07-23
JPH02107113U (US06342305-20020129-C00040.png) 1990-08-27
GB9002796D0 (en) 1990-04-04
FR2643155B1 (fr) 1993-02-19
DE4003672A1 (de) 1990-08-16
JPH0755525Y2 (ja) 1995-12-20
DE4003672C2 (US06342305-20020129-C00040.png) 1993-08-05
FR2643155A1 (fr) 1990-08-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)