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
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
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)
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.
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)
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 |
-
1990
- 1990-10-04 JP JP1990104708U patent/JP2570480Y2/en not_active Expired - Fee Related
Patent Citations (1)
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 |