JPS62224U - - Google Patents
Info
- Publication number
- JPS62224U JPS62224U JP8931285U JP8931285U JPS62224U JP S62224 U JPS62224 U JP S62224U JP 8931285 U JP8931285 U JP 8931285U JP 8931285 U JP8931285 U JP 8931285U JP S62224 U JPS62224 U JP S62224U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- preheating
- lens actuator
- coil
- preheating 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
Links
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Head (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案の別の実施例を示す回路図、第３図は
本考案のさらに別の実施例を示す回路図、第４図
は本考案のさらに別の実施例を示す回路図である
。
１１……光ピツクアツプ、１２……レンズアク
チユエータ駆動コイル、１３……結露センサー、
２３，３３……予熱通電回路を構成する切換器、
２４……レンズ駆動回路、２７……予熱通電回路
を構成する加熱用信号源。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing another embodiment of the invention, FIG. 3 is a circuit diagram showing still another embodiment of the invention, and FIG. 4 is a circuit diagram showing still another embodiment of the invention. 11... Optical pickup, 12... Lens actuator drive coil, 13... Condensation sensor,
23, 33...Switcher constituting the preheating energization circuit,
24... Lens drive circuit, 27... Heating signal source forming the preheating energization circuit.
Claims (1)
配置された結露センサーと、同じく上記光ピツク
アツプに配置された加熱コイルと、上記結露セン
サーの検出出力によつて上記加熱コイルへ通電し
て上記光ピツクアツプを予熱する予熱通電回路と
を有してなる光ピツクアツプ予熱装置。 ２ 加熱コイルとして光ピツクアツプのレンズア
クチユエータ駆動コイルを用いた実用新案登録請
求の範囲第１項記載の光ピツクアツプ予熱装置。 ３ レンズアクチユエータ駆動コイルは、レンズ
アクチユエータのレンズ駆動回路を通じて通電さ
れ加熱される実用新案登録請求の範囲第２項記載
の光ピツクアツプ予熱装置。[Claims for Utility Model Registration] 1. A dew condensation sensor disposed in an optical pickup of an optical information recording/reproducing device, a heating coil also disposed in the optical pickup, and a detection output of the dew condensation sensor. An optical pickup preheating device comprising: a preheating energization circuit for preheating the optical pickup by supplying current to the optical pickup. 2. The optical pickup preheating device according to claim 1, which uses an optical pickup lens actuator driving coil as a heating coil. 3. The optical pickup preheating device according to claim 2, wherein the lens actuator drive coil is heated by being energized through the lens drive circuit of the lens actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985089312U JPH073459Y2 (en) | 1985-06-13 | 1985-06-13 | Optical pickup preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985089312U JPH073459Y2 (en) | 1985-06-13 | 1985-06-13 | Optical pickup preheater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62224U true JPS62224U (en) | 1987-01-06 |
| JPH073459Y2 JPH073459Y2 (en) | 1995-01-30 |
Family
ID=30643265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985089312U Expired - Lifetime JPH073459Y2 (en) | 1985-06-13 | 1985-06-13 | Optical pickup preheater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073459Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05128555A (en) * | 1991-11-05 | 1993-05-25 | Matsushita Electric Ind Co Ltd | Tracking control device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102354605B1 (en) * | 2015-07-09 | 2022-01-25 | 엘지이노텍 주식회사 | Camera Module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144628U (en) * | 1982-03-25 | 1983-09-29 | 三洋電機株式会社 | Water drop removal device for pick-up means |
-
1985
- 1985-06-13 JP JP1985089312U patent/JPH073459Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144628U (en) * | 1982-03-25 | 1983-09-29 | 三洋電機株式会社 | Water drop removal device for pick-up means |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05128555A (en) * | 1991-11-05 | 1993-05-25 | Matsushita Electric Ind Co Ltd | Tracking control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073459Y2 (en) | 1995-01-30 |
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