JPS61246940A - 光ピツクアツプ - Google Patents

光ピツクアツプ

Info

Publication number
JPS61246940A
JPS61246940A JP60057456A JP5745685A JPS61246940A JP S61246940 A JPS61246940 A JP S61246940A JP 60057456 A JP60057456 A JP 60057456A JP 5745685 A JP5745685 A JP 5745685A JP S61246940 A JPS61246940 A JP S61246940A
Authority
JP
Japan
Prior art keywords
hologram
light
optical axis
lens
optical
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.)
Granted
Application number
JP60057456A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0514974B2 (enExample
Inventor
Masayuki Kato
雅之 加藤
Fumio Yamagishi
文雄 山岸
Shinya Hasegawa
信也 長谷川
Hiroyuki Ikeda
池田　弘之
Yushi Inagaki
雄史 稲垣
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP60057456A priority Critical patent/JPS61246940A/ja
Priority to CA000503923A priority patent/CA1257392A/en
Priority to EP86301994A priority patent/EP0195657B1/en
Priority to DE8686301994T priority patent/DE3685831T2/de
Priority to KR8602065A priority patent/KR900002999B1/ko
Publication of JPS61246940A publication Critical patent/JPS61246940A/ja
Priority to US07/173,050 priority patent/US4824191A/en
Publication of JPH0514974B2 publication Critical patent/JPH0514974B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
JP60057456A 1985-03-20 1985-03-20 光ピツクアツプ Granted JPS61246940A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP60057456A JPS61246940A (ja) 1985-03-20 1985-03-20 光ピツクアツプ
CA000503923A CA1257392A (en) 1985-03-20 1986-03-12 Optical pickup with hologram lenses
EP86301994A EP0195657B1 (en) 1985-03-20 1986-03-19 Optical pickup
DE8686301994T DE3685831T2 (de) 1985-03-20 1986-03-19 Optische abtastvorrichtung.
KR8602065A KR900002999B1 (en) 1985-03-20 1986-03-20 Optical pickup
US07/173,050 US4824191A (en) 1985-03-20 1988-03-28 Optical pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60057456A JPS61246940A (ja) 1985-03-20 1985-03-20 光ピツクアツプ

Publications (2)

Publication Number Publication Date
JPS61246940A true JPS61246940A (ja) 1986-11-04
JPH0514974B2 JPH0514974B2 (enExample) 1993-02-26

Family

ID=13056169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60057456A Granted JPS61246940A (ja) 1985-03-20 1985-03-20 光ピツクアツプ

Country Status (1)

Country Link
JP (1) JPS61246940A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06167614A (ja) * 1992-11-30 1994-06-14 Central Glass Co Ltd ホログラフィック光学レンズ
JPH10172173A (ja) * 1996-12-06 1998-06-26 Samsung Electron Co Ltd 光ピックアップ装置
WO1999024852A1 (en) * 1997-10-16 1999-05-20 Matsushita Electric Industrial Co., Ltd. Hologram element polarization separating device, polarization illuminating device, and image display

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06167614A (ja) * 1992-11-30 1994-06-14 Central Glass Co Ltd ホログラフィック光学レンズ
JPH10172173A (ja) * 1996-12-06 1998-06-26 Samsung Electron Co Ltd 光ピックアップ装置
WO1999024852A1 (en) * 1997-10-16 1999-05-20 Matsushita Electric Industrial Co., Ltd. Hologram element polarization separating device, polarization illuminating device, and image display

Also Published As

Publication number Publication date
JPH0514974B2 (enExample) 1993-02-26

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Legal Events

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