JPH0462508U - - Google Patents

Info

Publication number
JPH0462508U
JPH0462508U JP10470790U JP10470790U JPH0462508U JP H0462508 U JPH0462508 U JP H0462508U JP 10470790 U JP10470790 U JP 10470790U JP 10470790 U JP10470790 U JP 10470790U JP H0462508 U JPH0462508 U JP H0462508U
Authority
JP
Japan
Prior art keywords
optical axis
shaping prism
beam shaping
information recording
reproducing device
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
JP10470790U
Other languages
Japanese (ja)
Other versions
JP2585035Y2 (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 JP1990104707U priority Critical patent/JP2585035Y2/en
Priority to US07/770,342 priority patent/US5237457A/en
Publication of JPH0462508U publication Critical patent/JPH0462508U/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 JP2585035Y2 publication Critical patent/JP2585035Y2/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図は要部の分解斜視図、第３図はビーム整形プ
リズムを回動させてレーザ光軸を調整する状態を
示す模式的な斜視図、第４図はビーム整形プリズ
ムの回転角とレーザ光の角度偏位量の関係を示す
図、第５図はビーム整形プリズムを軸移動させた
ときのレーザ光軸の偏位を示す平面図、第６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……調整筒、２２……支持台、
２３……固定板、２４……ねじ、２５……回転調
整穴、２６……長穴、２７……凹溝、２８……大
径穴、３１……回転治具、３２……軸移動治具、
３３……偏心ピン。 Figure 1 is a perspective view of the main parts of an embodiment of the present invention, Figure 2 is an exploded perspective view of the main parts, and Figure 3 is a schematic diagram showing how the beam shaping prism is rotated to adjust the laser optical axis. Fig. 4 is a diagram showing the relationship between the rotation angle of the beam shaping prism and the angular deviation of the laser beam, and Fig. 5 shows the deviation of the laser optical axis when the beam shaping prism is moved. The plan view shown in FIG. 6 is a schematic structural perspective view of an optical disk device to which the present invention is applied. 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... Adjustment tube, 22... Support stand,
23... Fixed plate, 24... Screw, 25... Rotation adjustment hole, 26... Long hole, 27... Concave groove, 28... Large diameter hole, 31... Rotating jig, 32... Shaft moving jig Ingredients,
33...Eccentric pin.

Claims (1)

【実用新案登録請求の範囲】 １ レーザ光源から射出されるレーザ光の光路上
に配設されてこのレーザ光の整形を行うビーム整
形プリズムを備えた光学式情報記録再生装置にお
いて、前記ビーム整形プリズムをその出射光軸の
回り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。 ２ ビーム整形プリズムをその出射光軸の方向に
移動可能に構成してなる実用新案登録請求の範囲
第１項記載の光学式情報記録再生装置の光軸調整
機構。[Claims for Utility Model Registration] 1. In an optical information recording/reproducing device equipped with a beam shaping prism disposed on the optical path of a laser beam emitted from a laser light source and shaping the laser beam, the beam shaping prism An optical axis adjustment mechanism for an optical information recording/reproducing device, characterized in that the mechanism is configured to be rotatable around its output optical axis. 2. An optical axis adjustment mechanism for an optical information recording/reproducing device according to claim 1, which comprises a beam shaping prism movable in the direction of its output optical axis.
JP1990104707U 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device Expired - Fee Related JP2585035Y2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1990104707U JP2585035Y2 (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
JP1990104707U JP2585035Y2 (en) 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device

Publications (2)

Publication Number Publication Date
JPH0462508U true JPH0462508U (en) 1992-05-28
JP2585035Y2 JP2585035Y2 (en) 1998-11-11

Family

ID=31850098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990104707U Expired - Fee Related JP2585035Y2 (en) 1990-10-04 1990-10-04 Optical axis adjustment mechanism of optical information recording / reproducing device

Country Status (1)

Country Link
JP (1) JP2585035Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007099963A1 (en) * 2006-02-28 2007-09-07 Matsushita Electric Industrial Co., Ltd. Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disc server

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146454A (en) * 1983-02-09 1984-08-22 Pioneer Electronic Corp Control method of optical pickup device
JPS59194709U (en) * 1983-06-14 1984-12-25 オリンパス光学工業株式会社 Position adjustment device for optical members in optical head
JPS6415317U (en) * 1987-07-17 1989-01-26
JPH01162235A (en) * 1987-12-18 1989-06-26 Matsushita Electric Ind Co Ltd Optical head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146454A (en) * 1983-02-09 1984-08-22 Pioneer Electronic Corp Control method of optical pickup device
JPS59194709U (en) * 1983-06-14 1984-12-25 オリンパス光学工業株式会社 Position adjustment device for optical members in optical head
JPS6415317U (en) * 1987-07-17 1989-01-26
JPH01162235A (en) * 1987-12-18 1989-06-26 Matsushita Electric Ind Co Ltd Optical head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007099963A1 (en) * 2006-02-28 2007-09-07 Matsushita Electric Industrial Co., Ltd. Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disc server

Also Published As

Publication number Publication date
JP2585035Y2 (en) 1998-11-11

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Legal Events

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