JPH0544098B2 - - Google Patents

Info

Publication number
JPH0544098B2
JPH0544098B2 JP61294697A JP29469786A JPH0544098B2 JP H0544098 B2 JPH0544098 B2 JP H0544098B2 JP 61294697 A JP61294697 A JP 61294697A JP 29469786 A JP29469786 A JP 29469786A JP H0544098 B2 JPH0544098 B2 JP H0544098B2
Authority
JP
Japan
Prior art keywords
light
grating
lens
grating lens
optical head
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 - Lifetime
Application number
JP61294697A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63148429A (ja
Inventor
Juzo Ono
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP61294697A priority Critical patent/JPS63148429A/ja
Publication of JPS63148429A publication Critical patent/JPS63148429A/ja
Publication of JPH0544098B2 publication Critical patent/JPH0544098B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP61294697A 1986-12-12 1986-12-12 光ヘツド装置 Granted JPS63148429A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61294697A JPS63148429A (ja) 1986-12-12 1986-12-12 光ヘツド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61294697A JPS63148429A (ja) 1986-12-12 1986-12-12 光ヘツド装置

Publications (2)

Publication Number Publication Date
JPS63148429A JPS63148429A (ja) 1988-06-21
JPH0544098B2 true JPH0544098B2 (en, 2012) 1993-07-05

Family

ID=17811130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61294697A Granted JPS63148429A (ja) 1986-12-12 1986-12-12 光ヘツド装置

Country Status (1)

Country Link
JP (1) JPS63148429A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2692119B2 (ja) * 1988-03-31 1997-12-17 松下電器産業株式会社 光ピックアップヘッド装置
DE68928420T2 (de) * 1988-06-23 1998-04-16 Sharp Kk Optische Abtastvorrichtung
NL8802689A (nl) * 1988-11-03 1990-06-01 Koninkl Philips Electronics Nv Inrichting voor het met optische straling aftasten van een stralingsreflekterend oppervlak.
NL8803048A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optische inschrijf- en/of uitleesapparaat voorzien van de aftastinrichting.

Also Published As

Publication number Publication date
JPS63148429A (ja) 1988-06-21

Similar Documents

Publication Publication Date Title
JP2651419B2 (ja) 半導体レーザの光学ヘッド組立体
JPWO2008007768A1 (ja) ピックアップ装置
JPS5856236A (ja) 光学的トラック位置検出装置およびそれを用いた光学的記録再生装置
JP2684822B2 (ja) 光ピックアップヘッド装置
JPS5958637A (ja) 光学式再生装置
JPH05307759A (ja) 光ピックアップ
JP2701849B2 (ja) 光ピックアップ装置
JPH0544098B2 (en, 2012)
JP2647829B2 (ja) 光ヘッド装置
JPH06101138B2 (ja) 光ヘツド装置
JPH0619838B2 (ja) 光学式再生装置
JPS62277635A (ja) 光ヘツド装置
JPH0529969B2 (en, 2012)
JPH0253853B2 (en, 2012)
JP2616722B2 (ja) 光ヘッド装置
JP3994527B2 (ja) 光情報記録再生装置、光情報記録再生方法及び光学ピックアップ
JP2765402B2 (ja) 光ヘッド装置
JPS62217425A (ja) 光ヘツド装置
JPH03150744A (ja) 光ヘッド装置
JPS6313134A (ja) 光ヘツド装置
JP4250865B2 (ja) 光ヘッド、受発光素子、及び光記録媒体記録再生装置
JPH0519852Y2 (en, 2012)
JPS62217426A (ja) 光ヘツド装置
JPH1021565A (ja) 光ピックアップ装置
JPH07107743B2 (ja) 光ヘツド装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term