JPS6362924U - - Google Patents
Info
- Publication number
- JPS6362924U JPS6362924U JP15409386U JP15409386U JPS6362924U JP S6362924 U JPS6362924 U JP S6362924U JP 15409386 U JP15409386 U JP 15409386U JP 15409386 U JP15409386 U JP 15409386U JP S6362924 U JPS6362924 U JP S6362924U
- Authority
- JP
- Japan
- Prior art keywords
- damping material
- objective lens
- lens unit
- accommodating portion
- fixed member
- 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
- 239000000463 material Substances 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案による対物レンズ制動装置を
示す斜面図、第２図ないし、第４図は対物レンズ
ユニツトの運動状態を説明する平面図、側面図、
平面図、第５図は制動材撹拌腕の他の実施例を示
す側面図、第６図と第７図はそれを用いた例を示
す斜面図、第８図はさらに別の実施例による装置
の斜面図、第９図、第１０図は制動材撹拌腕の別
の実施例を示す側面図、第１１図は従来例の斜面
図、第１２図は同サスペンシヨンの断面図、第１
３図、第１４図は同変形前、変形後の状態を示す
平面説明図である。
１０…対物レンズユニツト、１１…トラツキン
グコイル、１２…フオーカツシングコイル、１３
…対物レンズ、１４…レンズホルダ、２１…固定
部材、２２…サスペンシヨン、２３…制動材収容
部、２４…制動材、３１…制動材撹拌腕、３１Ａ
…撹拌部。
FIG. 1 is a perspective view showing the objective lens braking device according to this invention, and FIGS. 2 to 4 are plan views and side views illustrating the state of movement of the objective lens unit.
A plan view, FIG. 5 is a side view showing another embodiment of the damping material stirring arm, FIGS. 6 and 7 are perspective views showing an example using the arm, and FIG. 8 is a device according to yet another embodiment. FIGS. 9 and 10 are side views showing another embodiment of the braking material stirring arm, FIG. 11 is a slope view of the conventional example, and FIG. 12 is a sectional view of the same suspension.
3 and 14 are explanatory plan views showing the state before and after the deformation. 10...Objective lens unit, 11...Tracking coil, 12...Focusing coil, 13
... Objective lens, 14... Lens holder, 21... Fixing member, 22... Suspension, 23... Braking material storage section, 24... Braking material, 31... Braking material stirring arm, 31A
... Stirring section.
Claims (1)
て支持された対物レンズユニツトを備える光学式
デイスクプレーヤにおいて、固定部材に形成され
た制動材収容部と、対物レンズユニツトから制動
材収容部中に延びて設けられた制動材撹拌腕と、
前記制動材収容部中に充填された制動材とを備え
、前記対物レンズユニツトの駆動により生じる振
動に制動材撹拌腕を介して制動力を加えるように
構成したことを特徴とする対物レンズ制動装置。 In an optical disk player including an objective lens unit supported via a suspension arm with respect to a fixed member, a damping material accommodating portion formed on the fixed member and a damping material accommodating portion extending from the objective lens unit into the damping material accommodating portion are provided. a damping material stirring arm,
an objective lens braking device, comprising a damping material filled in the damping material storage section, and configured to apply a braking force to vibrations generated by driving the objective lens unit via a damping material stirring arm. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986154093U JPH0531693Y2 (en) | 1986-10-07 | 1986-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986154093U JPH0531693Y2 (en) | 1986-10-07 | 1986-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6362924U true JPS6362924U (en) | 1988-04-26 |
| JPH0531693Y2 JPH0531693Y2 (en) | 1993-08-16 |
Family
ID=31073572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986154093U Expired - Lifetime JPH0531693Y2 (en) | 1986-10-07 | 1986-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531693Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195338A (en) * | 1981-05-25 | 1982-12-01 | Nippon Telegr & Teleph Corp <Ntt> | Tracking mechanism for optical head |
| JPS58163057U (en) * | 1982-04-22 | 1983-10-29 | 赤井電機株式会社 | Damper for actuator |
-
1986
- 1986-10-07 JP JP1986154093U patent/JPH0531693Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195338A (en) * | 1981-05-25 | 1982-12-01 | Nippon Telegr & Teleph Corp <Ntt> | Tracking mechanism for optical head |
| JPS58163057U (en) * | 1982-04-22 | 1983-10-29 | 赤井電機株式会社 | Damper for actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531693Y2 (en) | 1993-08-16 |
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