JPH01177420U - - Google Patents
Info
- Publication number
- JPH01177420U JPH01177420U JP7362288U JP7362288U JPH01177420U JP H01177420 U JPH01177420 U JP H01177420U JP 7362288 U JP7362288 U JP 7362288U JP 7362288 U JP7362288 U JP 7362288U JP H01177420 U JPH01177420 U JP H01177420U
- Authority
- JP
- Japan
- Prior art keywords
- laser diode
- stop mode
- actuator servo
- maintains
- turns
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Description
第１図は、この考案の一実施例を示す回路図で
ある。第２図は、従来におけるレーザダイオード
駆動構成を示す回路図である。
１０……レーザダイオード駆動回路、１２……
光ピツクアツプ、３０……フオーカスサーボルー
プデイジタル部。
FIG. 1 is a circuit diagram showing an embodiment of this invention. FIG. 2 is a circuit diagram showing a conventional laser diode drive configuration. 10... Laser diode drive circuit, 12...
Optical pick-up, 30...Focus servo loop digital section.
Claims (1)
維持するレーザダイオード駆動手段と、 停止モード時にアクチユエータサーボループを
略々オフまたは略々ホールド状態にするアクチユ
エータサーボ制御手段と を具備してなる光デイスク再生装置。[Claims for Utility Model Registration] Laser diode drive means that maintains the light emitting state of the laser diode in the stop mode, and actuator servo control means that turns the actuator servo loop into a substantially OFF or substantially hold state in the stop mode. An optical disc playback device comprising: and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7362288U JPH01177420U (en) | 1988-06-02 | 1988-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7362288U JPH01177420U (en) | 1988-06-02 | 1988-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01177420U true JPH01177420U (en) | 1989-12-19 |
Family
ID=31298759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7362288U Pending JPH01177420U (en) | 1988-06-02 | 1988-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003504782A (en) * | 1999-07-08 | 2003-02-04 | フォード モーター カンパニー リミテッド | Prevent rattling of optical media pickup |
-
1988
- 1988-06-02 JP JP7362288U patent/JPH01177420U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003504782A (en) * | 1999-07-08 | 2003-02-04 | フォード モーター カンパニー リミテッド | Prevent rattling of optical media pickup |
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