JPS5745512A - Lens for video disk - Google Patents

Lens for video disk

Info

Publication number
JPS5745512A
JPS5745512A JP55120645A JP12064580A JPS5745512A JP S5745512 A JPS5745512 A JP S5745512A JP 55120645 A JP55120645 A JP 55120645A JP 12064580 A JP12064580 A JP 12064580A JP S5745512 A JPS5745512 A JP S5745512A
Authority
JP
Japan
Prior art keywords
lens
positive
sized
numerical aperture
lightweight
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.)
Pending
Application number
JP55120645A
Other languages
English (en)
Inventor
Yuko Kobayashi
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP55120645A priority Critical patent/JPS5745512A/ja
Priority to US06/294,826 priority patent/US4416519A/en
Priority to DE3134001A priority patent/DE3134001C2/de
Publication of JPS5745512A publication Critical patent/JPS5745512A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP55120645A 1980-09-02 1980-09-02 Lens for video disk Pending JPS5745512A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55120645A JPS5745512A (en) 1980-09-02 1980-09-02 Lens for video disk
US06/294,826 US4416519A (en) 1980-09-02 1981-08-21 Objective for video disks
DE3134001A DE3134001C2 (de) 1980-09-02 1981-08-28 Objektiv für Videoplatten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55120645A JPS5745512A (en) 1980-09-02 1980-09-02 Lens for video disk

Publications (1)

Publication Number Publication Date
JPS5745512A true JPS5745512A (en) 1982-03-15

Family

ID=14791344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55120645A Pending JPS5745512A (en) 1980-09-02 1980-09-02 Lens for video disk

Country Status (3)

Country Link
US (1) US4416519A (ja)
JP (1) JPS5745512A (ja)
DE (1) DE3134001C2 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192514U (ja) * 1981-05-29 1982-12-06
JPS5831512U (ja) * 1981-08-24 1983-03-01 株式会社三協精機製作所 光磁気デイスク用対物レンズ
JPS5864168U (ja) * 1981-10-27 1983-04-30 株式会社東芝 波形整形回路
JPS58200205A (ja) * 1982-05-18 1983-11-21 Asahi Optical Co Ltd 全長の短い光デイスク用対物レンズ
JPS59208518A (ja) * 1983-04-26 1984-11-26 オプテイツシエ・ウエルケ・ゲ−・ロ−デンストツク ３つのレンズを有する走査用対物レンズ
JPS6064318A (ja) * 1983-09-20 1985-04-12 Konishiroku Photo Ind Co Ltd 光情報記録・再生用対物レンズ
JPS62191813A (ja) * 1986-02-18 1987-08-22 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置およびそれに用いる対物レンズ
JPH01319719A (ja) * 1988-06-21 1989-12-26 Dainippon Screen Mfg Co Ltd 顕微鏡用対物レンズ

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859421A (ja) * 1981-10-06 1983-04-08 Asahi Optical Co Ltd デイスク用対物レンズ
JPS58215616A (ja) * 1982-06-09 1983-12-15 Nippon Kogaku Kk <Nikon> 対物レンズ
US5121255A (en) * 1988-06-21 1992-06-09 Dainippon Screen Mfg. Co. Objective lens system for microscope
US5161063A (en) * 1991-02-21 1992-11-03 University Of Rochester Objectives for an optical data storage head
JP2005084479A (ja) * 2003-09-10 2005-03-31 Matsushita Electric Ind Co Ltd 撮像レンズおよび撮像ユニットおよび光学機器
JP2005084478A (ja) * 2003-09-10 2005-03-31 Matsushita Electric Ind Co Ltd 撮像レンズおよび光学機器
US8068899B2 (en) 2007-07-03 2011-11-29 The Board Of Trustees Of The Leland Stanford Junior University Method and system of using intrinsic-based photosensing with high-speed line scanning for characterization of biological thick tissue including muscle
EP3426135B1 (en) 2016-03-08 2024-01-03 Enspectra Health, Inc. Non-invasive detection of skin disease
EP3614915A4 (en) 2017-04-28 2021-01-20 Enspectra Health, Inc. SARCOMAS IMAGING AND MEASUREMENT SYSTEMS AND METHODS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139266A (en) * 1976-01-30 1979-02-13 Olympus Optical Co., Ltd. Medium magnification objective for video disks
JPS6049288B2 (ja) * 1977-11-09 1985-11-01 オリンパス光学工業株式会社 ビデオデイスク用再生対物レンズ
JPS6049289B2 (ja) * 1978-06-26 1985-11-01 オリンパス光学工業株式会社 ビデオデスク用の集光レンズ
JPS5526545A (en) * 1978-08-17 1980-02-26 Olympus Optical Co Ltd Reproducing lens for video disc

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192514U (ja) * 1981-05-29 1982-12-06
JPS5831512U (ja) * 1981-08-24 1983-03-01 株式会社三協精機製作所 光磁気デイスク用対物レンズ
JPS5864168U (ja) * 1981-10-27 1983-04-30 株式会社東芝 波形整形回路
JPS58200205A (ja) * 1982-05-18 1983-11-21 Asahi Optical Co Ltd 全長の短い光デイスク用対物レンズ
JPS6233567B2 (ja) * 1982-05-18 1987-07-21 Asahi Optical Co Ltd
JPS59208518A (ja) * 1983-04-26 1984-11-26 オプテイツシエ・ウエルケ・ゲ−・ロ−デンストツク ３つのレンズを有する走査用対物レンズ
JPS6064318A (ja) * 1983-09-20 1985-04-12 Konishiroku Photo Ind Co Ltd 光情報記録・再生用対物レンズ
JPH0412442B2 (ja) * 1983-09-20 1992-03-04 Konishiroku Photo Ind
JPS62191813A (ja) * 1986-02-18 1987-08-22 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置およびそれに用いる対物レンズ
JPH01319719A (ja) * 1988-06-21 1989-12-26 Dainippon Screen Mfg Co Ltd 顕微鏡用対物レンズ
JPH0476452B2 (ja) * 1988-06-21 1992-12-03 Dainippon Screen Mfg

Also Published As

Publication number Publication date
DE3134001C2 (de) 1983-07-21
DE3134001A1 (de) 1982-04-01
US4416519A (en) 1983-11-22

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