JPS61187067U - - Google Patents
Info
- Publication number
- JPS61187067U JPS61187067U JP7048285U JP7048285U JPS61187067U JP S61187067 U JPS61187067 U JP S61187067U JP 7048285 U JP7048285 U JP 7048285U JP 7048285 U JP7048285 U JP 7048285U JP S61187067 U JPS61187067 U JP S61187067U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- detecting means
- position detecting
- representing
- control 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は本考案に用いる第１の光電位置検出手段の一
例を示す図、第３図は本考案に用いる第２の光電
検出手段の一例を示す図である。
１……光デイスク、２……モータ、３……光ピ
ツクアツプ、４……モータ、５……第１の遮光板
、６……第１の光電位置検出手段、６１……発光
ダイオード、６２……フオトダイオード、６３…
…アンプ、７……第２の遮光板、７１……孔部、
７２……軸芯、８……第２の光電検出手段、８１
……発光ダイオード、８２……フオトダイオード
、９……ＡＮＤ回路、１０……駆動装置。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure shows an example of the first photoelectric position detecting means used in the present invention, and FIG. 3 shows an example of the second photoelectric position detecting means used in the present invention. DESCRIPTION OF SYMBOLS 1... Optical disk, 2... Motor, 3... Optical pickup, 4... Motor, 5... First light shielding plate, 6... First photoelectric position detection means, 61... Light emitting diode, 62... ...Photodiode, 63...
...Amplifier, 7...Second light shielding plate, 71...Hole,
72... Axis core, 8... Second photoelectric detection means, 81
...Light emitting diode, 82 ... Photodiode, 9 ... AND circuit, 10 ... Drive device.
Claims (1)
行う光ピツクアツプを、前記記録媒体の所定位置
まで移動させる移動制御装置において、 上記光ピツクアツプの絶対的位置を表わす第１
の位置検出手段とこの第１の位置検出手段より高
い精度を有し、上記光ピツクアツプの相対的位置
を表わす第２の位置検出手段とを有し、第１及び
第２の位置検出手段の出力に基づいて上記光ピツ
クアツプを上記所定位置まで移動させることを特
徴とした光ピツクアツプの移動制御装置。[Claims for Utility Model Registration] In a movement control device for moving an optical pickup for recording and reproducing information on an optical information recording medium to a predetermined position on the recording medium, a first position representing the absolute position of the optical pickup;
and a second position detecting means having higher accuracy than the first position detecting means and representing the relative position of the optical pickup, and outputs of the first and second position detecting means. A movement control device for an optical pickup, characterized in that the optical pickup is moved to the predetermined position based on the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7048285U JPS61187067U (en) | 1985-05-13 | 1985-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7048285U JPS61187067U (en) | 1985-05-13 | 1985-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187067U true JPS61187067U (en) | 1986-11-21 |
Family
ID=30607093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7048285U Pending JPS61187067U (en) | 1985-05-13 | 1985-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187067U (en) |
-
1985
- 1985-05-13 JP JP7048285U patent/JPS61187067U/ja active Pending
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