JP2001014722A5 - - Google Patents

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Publication number
JP2001014722A5
JP2001014722A5 JP1999187339A JP18733999A JP2001014722A5 JP 2001014722 A5 JP2001014722 A5 JP 2001014722A5 JP 1999187339 A JP1999187339 A JP 1999187339A JP 18733999 A JP18733999 A JP 18733999A JP 2001014722 A5 JP2001014722 A5 JP 2001014722A5
Authority
JP
Japan
Prior art keywords
positioning
annular end
end surface
outer peripheral
axis direction
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
JP1999187339A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001014722A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP11187339A priority Critical patent/JP2001014722A/ja
Priority claimed from JP11187339A external-priority patent/JP2001014722A/ja
Priority to CNB00118900XA priority patent/CN1220193C/zh
Priority to US09/608,437 priority patent/US6785200B1/en
Publication of JP2001014722A publication Critical patent/JP2001014722A/ja
Publication of JP2001014722A5 publication Critical patent/JP2001014722A5/ja
Pending legal-status Critical Current

Links

JP11187339A 1999-07-01 1999-07-01 グレーティング部材および光ピックアップ装置 Pending JP2001014722A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11187339A JP2001014722A (ja) 1999-07-01 1999-07-01 グレーティング部材および光ピックアップ装置
CNB00118900XA CN1220193C (zh) 1999-07-01 2000-06-22 光栅构件及光拾波装置
US09/608,437 US6785200B1 (en) 1999-07-01 2000-06-30 Diffraction grating element and optical pickup device incorporating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11187339A JP2001014722A (ja) 1999-07-01 1999-07-01 グレーティング部材および光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2001014722A JP2001014722A (ja) 2001-01-19
JP2001014722A5 true JP2001014722A5 (enExample) 2004-08-12

Family

ID=16204279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11187339A Pending JP2001014722A (ja) 1999-07-01 1999-07-01 グレーティング部材および光ピックアップ装置

Country Status (3)

Country Link
US (1) US6785200B1 (enExample)
JP (1) JP2001014722A (enExample)
CN (1) CN1220193C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002084655A1 (fr) * 2001-04-10 2002-10-24 Sony Corporation Capteur optique et unite de disque
JP2007242203A (ja) * 2006-03-13 2007-09-20 Funai Electric Co Ltd 光ピックアップ
JP2013105516A (ja) * 2011-11-16 2013-05-30 Sanyo Electric Co Ltd 光学素子用のホルダ、光学素子ユニットおよび光ピックアップ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180625A (ja) * 1984-09-28 1986-04-24 Mitsubishi Electric Corp 光ピツクアツプの回折格子調整機構
JPS61211846A (ja) * 1985-03-18 1986-09-19 Pioneer Electronic Corp 光学式情報記録再生装置におけるピツクアツプ装置
US4794580A (en) * 1985-07-12 1988-12-27 Pioneer Electronic Corporation Pickup system in optical information recording and reproducing apparatus with damped lead wires
JPS62157330A (ja) * 1985-12-27 1987-07-13 Mitsubishi Electric Corp 光学ヘッド
JPS6330801A (ja) 1986-07-25 1988-02-09 Fujita Corp 太陽光集光伝送装置
JPH0690803B2 (ja) * 1989-05-22 1994-11-14 パイオニア株式会社 情報読取装置の製造方法
WO1996030903A2 (en) * 1995-03-29 1996-10-03 Philips Electronics N.V. Optical unit comprising a radiation source, a detector and a grating, and scanning device including the optical unit
US5754513A (en) * 1995-04-28 1998-05-19 Konica Corporation Information pick-up apparatus and optical disk apparatus
JP3547908B2 (ja) * 1996-07-12 2004-07-28 パイオニア株式会社 光ピックアップ
JPH1139697A (ja) * 1997-07-16 1999-02-12 Sankyo Seiki Mfg Co Ltd 光ヘッド装置

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