JPS6445314U - - Google Patents
Info
- Publication number
- JPS6445314U JPS6445314U JP13854487U JP13854487U JPS6445314U JP S6445314 U JPS6445314 U JP S6445314U JP 13854487 U JP13854487 U JP 13854487U JP 13854487 U JP13854487 U JP 13854487U JP S6445314 U JPS6445314 U JP S6445314U
- Authority
- JP
- Japan
- Prior art keywords
- base
- holder
- hole
- grating
- light
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第1図は本考案の光学式ピツクアツプ装置のグ
レーテイングのベースの斜視図、第2図a及びb
はその基台の平面図と正面図、第3図はその光学
部品の構成図、第4図はそのコリメータレンズと
反射板のホルダの斜視図、第5図はそのベースの
基台の組み立て状態を示す斜視図、第6図はその
ホルダと基台の組み立て状態を示す斜視図、第7
図は従来の光学式ピツクアツプ装置の断面図、第
8図はその光学部品の構成図である。
1……レーザダイオード、2……グレーテイン
グ、3……ハーフミラー、4……コリメータレン
ズ、5……反射板、6……対物レンズ、7……デ
イスク、8……凹レンズ、9……受光素子、21
……基台、22……孔、23……ホルダ、24…
…スプリング、25……取り付け部材、31……
ホルダ、32……取付部、33……ホルダ、41
……ベース、41a……孔、41b……平面部、
41c,41d……孔、41e……上平面、41
f……孔、41g……底面、42……ホルダ、4
2a……フランジ、42b……ガイド部、42c
……突出部、42d……二股部、42e……係止
部、43……板バネ、44……押さえ部、44a
,44b……突起、44c……孔、51……基台
、51a乃至51e……孔、51f……取付面、
71……ホルダ、71a乃至71c……孔、71
d……突条、71e……突起、71f……傾斜面
。
Fig. 1 is a perspective view of the base of the grating of the optical pickup device of the present invention, Fig. 2 a and b
3 is a plan view and a front view of the base, FIG. 3 is a configuration diagram of the optical components, FIG. 4 is a perspective view of the collimator lens and reflector holder, and FIG. 5 is the assembled state of the base. FIG. 6 is a perspective view showing the assembled state of the holder and the base, FIG.
The figure is a sectional view of a conventional optical pickup device, and FIG. 8 is a configuration diagram of its optical components. 1... Laser diode, 2... Grating, 3... Half mirror, 4... Collimator lens, 5... Reflector, 6... Objective lens, 7... Disc, 8... Concave lens, 9... Light receiving Motoko, 21
... Base, 22 ... Hole, 23 ... Holder, 24 ...
...Spring, 25...Mounting member, 31...
Holder, 32... Mounting part, 33... Holder, 41
... base, 41a ... hole, 41b ... plane part,
41c, 41d...hole, 41e...upper plane, 41
f...hole, 41g...bottom, 42...holder, 4
2a...Flange, 42b...Guide part, 42c
...Protrusion part, 42d...Bifurcated part, 42e...Locking part, 43...Plate spring, 44...Press part, 44a
, 44b...protrusion, 44c...hole, 51...base, 51a to 51e...hole, 51f...mounting surface,
71... Holder, 71a to 71c... Hole, 71
d...Protrusion, 71e...Protrusion, 71f...Slanted surface.
Claims (1)
り出力された光を分割するグレーテイングと、該
グレーテイングを保持するホルダと、該ホルダを
回転自在に支持するベースと、該光源より出力さ
れる光の光軸に対して略垂直な方向に該基台に形
成され、該ベースが嵌合される第1の孔と、該第
1の孔に嵌合された該ベースに支持されている該
ホルダを回転する部材を挿通する該基台に形成さ
れた第2の孔と、該グレーテイングより出力され
た光を記録媒体に反射する反射板と、該記録媒体
により反射された光を受光する受光素子とを備え
ることを特徴とする光学式ピツクアツプ装置。 A base, a light source fixed to the base, a grating that divides light output from the light source, a holder that holds the grating, a base that rotatably supports the holder, and the light source. a first hole formed in the base in a direction substantially perpendicular to the optical axis of light output from the base and into which the base is fitted; and a first hole supported by the base fitted in the first hole. a second hole formed in the base through which a member that rotates the holder is inserted; a reflecting plate that reflects light output from the grating onto a recording medium; An optical pickup device comprising a light receiving element that receives light.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13854487U JPS6445314U (en) | 1987-09-10 | 1987-09-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13854487U JPS6445314U (en) | 1987-09-10 | 1987-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6445314U true JPS6445314U (en) | 1989-03-20 |
Family
ID=31400977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13854487U Pending JPS6445314U (en) | 1987-09-10 | 1987-09-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6445314U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62143233A (en) * | 1985-12-18 | 1987-06-26 | Mitsubishi Electric Corp | Optical signal pickup device |
-
1987
- 1987-09-10 JP JP13854487U patent/JPS6445314U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62143233A (en) * | 1985-12-18 | 1987-06-26 | Mitsubishi Electric Corp | Optical signal pickup device |