JPS61156023U - - Google Patents
Info
- Publication number
- JPS61156023U JPS61156023U JP3838385U JP3838385U JPS61156023U JP S61156023 U JPS61156023 U JP S61156023U JP 3838385 U JP3838385 U JP 3838385U JP 3838385 U JP3838385 U JP 3838385U JP S61156023 U JPS61156023 U JP S61156023U
- Authority
- JP
- Japan
- Prior art keywords
- view
- holding member
- collimator lens
- light
- emitting element
- 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
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Head (AREA)
Description
第1図は本考案の実施例としてのピツクアツプ
装置の正断面図、第2図ないし第5図は第1図に
関する各々―矢視図、―矢視図、―
矢視図及び―矢視図、第6図は第3図に関す
る―矢視図、第7図は該ピツクアツプ装置の
一部詳細図、第8図aないしfはピツクアツプボ
デイの各々半断面を含む正面図、左側断面図、右
側断面図、平面図、底面図及び背面図、第9図は
該ピツクアツプ装置の一部詳細図、第10図a及
bは波長板を担持するホルダの各々平面図及び正
面図、第10図cは第10図aに関するc―o―
c断面図、第11図a,b及びcは該ホルダを保
持するベース部材本体の各々平面図、右側面図及
び背面図、第11図dは第11図aに関するd―
d断面図、第12図及び第13図は対物レンズと
その駆動機構を示す各々分解斜視図及び斜視図、
第14図aないしeはカバー部材の各々平面図。
左側断面図、右側断面図、正面図及び背面図、第
15図aないしfは支持体の各々正面図、左側面
図、右側面図、平面図、底面図及び背面図、第1
6図は受光素子の受光面詳細図、第17図は対物
レンズの移動ストロークと停止位置の関係を説明
するための図である。
主要部分の符号の説明、1……ピツクアツプボ
デイ、1a……貫通孔、1a,1c,7a……受
け面、1a,1e,1f,1g……調整治具挿入
孔、1h……接着剤溜り、1i……案内孔、1k
……座グリ部、1l……長孔、1m,17a,5
0a,50b,50c……開孔部、1n,17b
,41a……凹部、1p……丸孔、3……レーザ
ダイオード、4……グレイテイング、4a……外
側面、5……ビームスプリツタ、5a,5b……
光軸、6……コリメータレンズ、7,8,9,2
1……円筒状ホルダ、7b……内周面、7c……
ひとみ、7d……壁部、9a……センタリングガ
イド部、11,12,23b……波状座金、14
……円筒状スリーブ、14a……光通過孔、14
b……壁部、14c……外側面、16……受光素
子、17……板状ベース部材、18……押圧バネ
、19a,19b,23,39a,39b,45
,51,52a……ネジ、20……マルチレンズ
、21a……環状溝、23a……ワツシヤ、23
c……首部スリーブ、25……波長板、26……
ホルダ、26a……座グリ部、26b……弧状部
分、26d,47b……突起、26e……外周、
26f……アーム部、26g……屈曲部、27…
…ベース部材本体、27a……支持突部、27b
……中心孔、29……デイスク、30……対物レ
ンズ、30a……レンズパツド、30b……カウ
ンタウエイト、31……リンズホルダ、31a,
31b……張出部、31c……切欠部、32……
フオーカシングコイル、34……ボビン、35…
…トラツキングコイル、36,38……板バネ、
37……中継部材、37a……突出部、37b…
…接着剤の逃げ溝、39……ベース部材、39c
……位置決め突起、39d……凹部、41……マ
グネツト、42……ヨーク、42a……突部、4
2b……サブヨーク、42d……テーパ部、43
……プリント基板、47……カバー部材、47a
,50e……可撓性係合爪、47d……傾斜部、
47e……半球状突起、50……樹脂性支持体、
50d……センサステイ、52……センサボード
、53……発光ダイオード、54,57,58…
…フオトダイオード、55……制御回路基板。
FIG. 1 is a front cross-sectional view of a pick-up device as an embodiment of the present invention, and FIGS. 2 to 5 are respectively a view in the direction of the arrows, a view in the direction of the arrows, and a view in the direction of the arrows in FIG.
6 is a view in the direction of the arrows related to FIG. 3, FIG. 7 is a partially detailed view of the pickup device, and FIGS. 8a to 8f each include a half section of the pickup body. A front view, a left sectional view, a right sectional view, a top view, a bottom view and a rear view, FIG. 9 is a partially detailed view of the pickup device, and FIGS. 10 a and 10 b are respective plan views of the holder that supports the wave plate. and front view, Figure 10c is c-o- with respect to Figure 10a.
11a, b, and c are respectively a plan view, a right side view, and a rear view of the base member body holding the holder; FIG. 11d is a sectional view related to FIG. 11a;
d sectional view, FIGS. 12 and 13 are an exploded perspective view and a perspective view showing the objective lens and its drive mechanism, respectively;
FIGS. 14a to 14e are plan views of each cover member.
The left side sectional view, the right side sectional view, the front view and the rear view, and FIGS.
FIG. 6 is a detailed view of the light-receiving surface of the light-receiving element, and FIG. 17 is a diagram for explaining the relationship between the movement stroke and the stop position of the objective lens. Explanation of symbols of main parts, 1...Pickup body, 1a...Through hole, 1a, 1c, 7a...Receiving surface, 1a, 1e, 1f, 1g...Adjustment jig insertion hole, 1h...Adhesive reservoir , 1i...guide hole, 1k
...Spot facing part, 1l...Long hole, 1m, 17a, 5
0a, 50b, 50c...Opening part, 1n, 17b
, 41a... recess, 1p... round hole, 3... laser diode, 4... grating, 4a... outer surface, 5... beam splitter, 5a, 5b...
Optical axis, 6... Collimator lens, 7, 8, 9, 2
1... Cylindrical holder, 7b... Inner peripheral surface, 7c...
Pupil, 7d... Wall part, 9a... Centering guide part, 11, 12, 23b... Wavy washer, 14
...Cylindrical sleeve, 14a...Light passage hole, 14
b... Wall portion, 14c... Outer surface, 16... Light receiving element, 17... Plate base member, 18... Pressing spring, 19a, 19b, 23, 39a, 39b, 45
, 51, 52a... Screw, 20... Multi-lens, 21a... Annular groove, 23a... Washer, 23
c... Neck sleeve, 25... Wave plate, 26...
Holder, 26a... Spot facing portion, 26b... Arc-shaped portion, 26d, 47b... Protrusion, 26e... Outer periphery,
26f...Arm part, 26g...Bending part, 27...
...Base member main body, 27a...Support protrusion, 27b
... Center hole, 29 ... Disk, 30 ... Objective lens, 30a ... Lens pad, 30b ... Counterweight, 31 ... Lens holder, 31a,
31b... overhanging part, 31c... notch part, 32...
Focusing coil, 34...Bobbin, 35...
...Tracking coil, 36, 38...plate spring,
37...Relay member, 37a...Protrusion, 37b...
...Adhesive relief groove, 39...Base member, 39c
...Positioning protrusion, 39d...Recess, 41...Magnet, 42...Yoke, 42a...Protrusion, 4
2b...Sub yoke, 42d...Tapered portion, 43
...Printed circuit board, 47...Cover member, 47a
, 50e...flexible engagement claw, 47d...slanted part,
47e...Semispherical projection, 50...Resin support,
50d...Sensor stay, 52...Sensor board, 53...Light emitting diode, 54, 57, 58...
...Photodiode, 55...Control circuit board.
Claims (1)
照射光を平行光にするコリメータレンズと、前記
発光素子及びコリメータレンズを保持する保持部
材とを含み、前記コリメータレンズの外側屈折面
が前記保持部材の表面よりも内側に位置するよう
になされていることを特徴とする光学式情報記録
再生装置におけるピツクアツプ装置。 (2) 前記コリメータレンズは前記保持部材に接
着剤によつて接着され、前記保持部材には前記コ
リメータレンズの接着面の外側に接着剤溜りが設
けられていることを特徴とす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にお
けるピツクアツプ装置。[Claims for Utility Model Registration] (1) A light-emitting element, a collimator lens that converts illumination light emitted from the light-emitting element into parallel light, and a holding member that holds the light-emitting element and the collimator lens, the collimator lens 1. A pickup device for an optical information recording/reproducing device, wherein an outer refractive surface of the holding member is located inside the surface of the holding member. (2) A request for registration of a utility model characterized in that the collimator lens is bonded to the holding member with an adhesive, and the holding member is provided with an adhesive reservoir on the outside of the bonding surface of the collimator lens. A pickup device in the optical information recording/reproducing apparatus according to item 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3838385U JPS61156023U (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3838385U JPS61156023U (en) | 1985-03-18 | 1985-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61156023U true JPS61156023U (en) | 1986-09-27 |
Family
ID=30545340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3838385U Pending JPS61156023U (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61156023U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5870437A (en) * | 1981-10-08 | 1983-04-26 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | Optical scanning unit |
-
1985
- 1985-03-18 JP JP3838385U patent/JPS61156023U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5870437A (en) * | 1981-10-08 | 1983-04-26 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | Optical scanning unit |
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