JPH0462509U - - Google Patents

Info

Publication number
JPH0462509U
JPH0462509U JP10470890U JP10470890U JPH0462509U JP H0462509 U JPH0462509 U JP H0462509U JP 10470890 U JP10470890 U JP 10470890U JP 10470890 U JP10470890 U JP 10470890U JP H0462509 U JPH0462509 U JP H0462509U
Authority
JP
Japan
Prior art keywords
information recording
optical information
adjustment mechanism
axis adjustment
shaping prism
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
JP10470890U
Other languages
Japanese (ja)
Other versions
JP2570480Y2 (en
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 filed Critical
Priority to JP1990104708U priority Critical patent/JP2570480Y2/en
Priority to US07/770,342 priority patent/US5237457A/en
Publication of JPH0462509U publication Critical patent/JPH0462509U/ja
Priority to US08/045,703 priority patent/US5343332A/en
Priority to US08/053,688 priority patent/US5341246A/en
Application granted granted Critical
Publication of JP2570480Y2 publication Critical patent/JP2570480Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の要部の斜視図、第
２図は要部の平面図、第３図はレーザ光源とコリ
メータレンズの回転動作を説明するための一部の
拡大平面図、第４図は回転基板の回転角とビーム
整形プリズムから出射されるレーザ光の角度偏位
量の関係を示す図、第５図は本考案が適用される
光デイスク装置の概略構成斜視図である。 １……レーザ光源、２……コリメータレンズ、
３……ビーム整形プリズム、４……ビームスプリ
ツタ、５……ミラー、６……対物レンズ、７……
光デイスク、８……信号再生用光学系、９……サ
ーボ用光学系、１０，１１……レンズ、１２，１
３……センサ、１４……キヤリツジ、１５……ガ
イドレール、２１……支持台、２２……可動基板
、２３……装置筺体、２４……鏡筒、２５……半
導体レーザ、２６……支持片、２７……長穴、２
８……固定ねじ、２９……切欠ガイド、３０……
凹部、３１……板ばね、３２……切起し片、３３
……立壁、３４……調整ねじ。 Fig. 1 is a perspective view of the main parts of an embodiment of the present invention, Fig. 2 is a plan view of the main parts, and Fig. 3 is a partially enlarged plan view for explaining the rotational operation of the laser light source and collimator lens. , FIG. 4 is a diagram showing the relationship between the rotation angle of the rotating substrate and the angular deviation amount of the laser beam emitted from the beam shaping prism, and FIG. 5 is a schematic perspective view of the configuration of an optical disk device to which the present invention is applied. be. 1... Laser light source, 2... Collimator lens,
3...Beam shaping prism, 4...Beam splitter, 5...Mirror, 6...Objective lens, 7...
Optical disk, 8... Optical system for signal reproduction, 9... Optical system for servo, 10, 11... Lens, 12, 1
3... Sensor, 14... Carriage, 15... Guide rail, 21... Support stand, 22... Movable substrate, 23... Device housing, 24... Lens barrel, 25... Semiconductor laser, 26... Support Piece, 27...Elongated hole, 2
8...Fixing screw, 29...Notch guide, 30...
Recessed portion, 31...Plate spring, 32...Cut and raised piece, 33
... Standing wall, 34 ... Adjustment screw.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 平行レーザ光束を発生させる発光部と、このレ
ーザ光のビーム幅を少なくとも一方向に拡大させ
てビーム整形を行うビーム整形プリズムとを備え
た光学式情報記録再生装置において、前記発光部
をその光軸が前記ビーム整形プリズムの入射面と
交わる点を略中心として前記ビーム幅整形方向に
回転可能に構成したことを特徴とする光学式情報
記録再生装置の光軸調整機構。 In an optical information recording/reproducing device, the optical information recording/reproducing device includes a light emitting part that generates a parallel laser beam, and a beam shaping prism that shapes the beam by expanding the beam width of the laser light in at least one direction. An optical axis adjustment mechanism for an optical information recording/reproducing apparatus, characterized in that the optical axis adjustment mechanism is configured to be rotatable in the beam width shaping direction approximately at a point where the beam crosses the incident surface of the beam shaping prism.
JP1990104708U 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device Expired - Fee Related JP2570480Y2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1990104708U JP2570480Y2 (en) 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device
US07/770,342 US5237457A (en) 1990-10-04 1991-10-03 Apparatus for adjusting an optical axis including a laser beam source and a beam shaping prism
US08/045,703 US5343332A (en) 1990-10-04 1993-04-14 Apparatus for adjusting optical axis including a beam shaping prism
US08/053,688 US5341246A (en) 1990-10-04 1993-04-29 Apparatus for adjusting an optical axis including plates on opposite sides of a beam shaping prism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990104708U JP2570480Y2 (en) 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device

Publications (2)

Publication Number Publication Date
JPH0462509U true JPH0462509U (en) 1992-05-28
JP2570480Y2 JP2570480Y2 (en) 1998-05-06

Family

ID=31850099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990104708U Expired - Fee Related JP2570480Y2 (en) 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device

Country Status (1)

Country Link
JP (1) JP2570480Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098119U (en) * 1983-12-05 1985-07-04 シャープ株式会社 Galvanometer mirror fixed position adjustment device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098119U (en) * 1983-12-05 1985-07-04 シャープ株式会社 Galvanometer mirror fixed position adjustment device

Also Published As

Publication number Publication date
JP2570480Y2 (en) 1998-05-06

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees