CN100419871C - 聚焦检测和用它的倾斜调整方法及装置 - Google Patents

聚焦检测和用它的倾斜调整方法及装置 Download PDF

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Publication number
CN100419871C
CN100419871C CNB2004100346970A CN200410034697A CN100419871C CN 100419871 C CN100419871 C CN 100419871C CN B2004100346970 A CNB2004100346970 A CN B2004100346970A CN 200410034697 A CN200410034697 A CN 200410034697A CN 100419871 C CN100419871 C CN 100419871C
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CN
China
Prior art keywords
mentioned
luminous energy
focus
picture
distribution
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
CNB2004100346970A
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English (en)
Chinese (zh)
Other versions
CN1637880A (zh
Inventor
川村贵史
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.)
Leader Electronics Corp
Original Assignee
Leader Electronics 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 Leader Electronics Corp filed Critical Leader Electronics Corp
Publication of CN1637880A publication Critical patent/CN1637880A/zh
Application granted granted Critical
Publication of CN100419871C publication Critical patent/CN100419871C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0912—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by push-pull method
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/4446—Type of detector
    • G01J2001/448—Array [CCD]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
CNB2004100346970A 2003-12-25 2004-04-23 聚焦检测和用它的倾斜调整方法及装置 Expired - Fee Related CN100419871C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003428986A JP4530658B2 (ja) 2003-12-25 2003-12-25 フォーカス検出およびこれを用いた傾き調整の方法および装置
JP428986/2003 2003-12-25

Publications (2)

Publication Number Publication Date
CN1637880A CN1637880A (zh) 2005-07-13
CN100419871C true CN100419871C (zh) 2008-09-17

Family

ID=34787780

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100346970A Expired - Fee Related CN100419871C (zh) 2003-12-25 2004-04-23 聚焦检测和用它的倾斜调整方法及装置

Country Status (4)

Country Link
JP (1) JP4530658B2 (ko)
KR (1) KR100966906B1 (ko)
CN (1) CN100419871C (ko)
TW (1) TW200534272A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4974059B2 (ja) * 2008-02-15 2012-07-11 横河電機株式会社 自動焦点制御システム
US8687180B2 (en) * 2012-06-07 2014-04-01 Molecular Devices, Llc System, method, and device for determining a focal position of an objective in a microscopy imaging system
KR101858165B1 (ko) 2016-05-16 2018-05-15 주식회사 케이랩 포커싱 상태 측정 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08271225A (ja) * 1995-03-30 1996-10-18 Yokogawa Electric Corp 共焦点顕微鏡
JPH1074331A (ja) * 1996-06-26 1998-03-17 Omron Corp 反射型光電センサ及び光ディスク判別装置
JP2001028144A (ja) * 1999-07-13 2001-01-30 Ricoh Co Ltd 光情報記録再生装置
CN1375822A (zh) * 2000-11-17 2002-10-23 松下电器产业株式会社 全息照相术光信息记录再现装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2761280B2 (ja) * 1990-04-16 1998-06-04 オリンパス光学工業株式会社 自動焦点カメラのレンズ駆動装置
JP2950759B2 (ja) * 1995-08-31 1999-09-20 キヤノン株式会社 視線検出装置を有する光学機器
JP3463483B2 (ja) * 1996-10-17 2003-11-05 ミノルタ株式会社 画像検出システム
JP2002123953A (ja) * 2000-10-12 2002-04-26 Hitachi Ltd 高密度光記録装置
JP3819756B2 (ja) * 2001-10-23 2006-09-13 富士通株式会社 光情報処理装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08271225A (ja) * 1995-03-30 1996-10-18 Yokogawa Electric Corp 共焦点顕微鏡
JPH1074331A (ja) * 1996-06-26 1998-03-17 Omron Corp 反射型光電センサ及び光ディスク判別装置
JP2001028144A (ja) * 1999-07-13 2001-01-30 Ricoh Co Ltd 光情報記録再生装置
CN1375822A (zh) * 2000-11-17 2002-10-23 松下电器产业株式会社 全息照相术光信息记录再现装置

Also Published As

Publication number Publication date
TW200534272A (en) 2005-10-16
JP4530658B2 (ja) 2010-08-25
JP2005189394A (ja) 2005-07-14
KR20050065249A (ko) 2005-06-29
KR100966906B1 (ko) 2010-06-30
TWI362660B (ko) 2012-04-21
CN1637880A (zh) 2005-07-13

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080917

Termination date: 20180423