JPS62180321U - - Google Patents
Info
- Publication number
- JPS62180321U JPS62180321U JP6766886U JP6766886U JPS62180321U JP S62180321 U JPS62180321 U JP S62180321U JP 6766886 U JP6766886 U JP 6766886U JP 6766886 U JP6766886 U JP 6766886U JP S62180321 U JPS62180321 U JP S62180321U
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- moving frame
- driven
- detection device
- acceleration detection
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第1図〜第4図は本考案の一実施例を示すもの
で、第1図は側面図、第2図は平面図、第3図は
回路図、第4図はその速度―波形図、第5図は従
来の光学式ピツクアツプの斜面図、第6図はその
駆動装置の平面図、第7図はその速度―波形図で
ある。
2……移動枠、3……マグネツト、4……速度
検出コイル、5……ヨーク、6……マグネツト、
7……駆動モータ、8……ラツク、9……ピニオ
ン、10……支持バネ、11……支持部、12…
…対物レンズ、14……トラツキングアコイル、
15……バツフアアンプ、16……微分回路、1
7……駆動アンプ。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a side view, FIG. 2 is a plan view, FIG. 3 is a circuit diagram, and FIG. 4 is a speed-waveform diagram, FIG. 5 is a perspective view of a conventional optical pickup, FIG. 6 is a plan view of its driving device, and FIG. 7 is a speed-waveform diagram thereof. 2...Moving frame, 3...Magnet, 4...Speed detection coil, 5...Yoke, 6...Magnet,
7... Drive motor, 8... Rack, 9... Pinion, 10... Support spring, 11... Support part, 12...
...Objective lens, 14...Tracking acquisition coil,
15... Buffer amplifier, 16... Differential circuit, 1
7...Drive amplifier.
Claims (1)
チユエータを備えた光学式ピツクアツプが取付け
られ、且つトラツキング方向に駆動装置で駆動さ
れる移動枠と、該移動枠が駆動装置で駆動された
際の加速度検出装置と、該加速度検出装置の検出
した加速度に応じてトラツキングコイルに制動電
流を出力する制動出力装置とを備えたことを特徴
とする光学式ピツクアツプ移動装置。 A moving frame to which an optical pickup equipped with a tracking actuator for preventing tracking error is attached and driven by a drive device in the tracking direction, and an acceleration detection device when the moving frame is driven by the drive device. and a braking output device that outputs a braking current to a tracking coil in accordance with the acceleration detected by the acceleration detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6766886U JPS62180321U (en) | 1986-05-07 | 1986-05-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6766886U JPS62180321U (en) | 1986-05-07 | 1986-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62180321U true JPS62180321U (en) | 1987-11-16 |
Family
ID=30906785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6766886U Pending JPS62180321U (en) | 1986-05-07 | 1986-05-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62180321U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0281329A (en) * | 1988-09-17 | 1990-03-22 | Nec Home Electron Ltd | Lens locking device for objective lens actuator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62180531A (en) * | 1986-02-03 | 1987-08-07 | Canon Inc | Optical information recording and reproducing device |
-
1986
- 1986-05-07 JP JP6766886U patent/JPS62180321U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62180531A (en) * | 1986-02-03 | 1987-08-07 | Canon Inc | Optical information recording and reproducing device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0281329A (en) * | 1988-09-17 | 1990-03-22 | Nec Home Electron Ltd | Lens locking device for objective lens actuator |
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