JPH0394625U - - Google Patents
Info
- Publication number
- JPH0394625U JPH0394625U JP236990U JP236990U JPH0394625U JP H0394625 U JPH0394625 U JP H0394625U JP 236990 U JP236990 U JP 236990U JP 236990 U JP236990 U JP 236990U JP H0394625 U JPH0394625 U JP H0394625U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- error signal
- tracking error
- processes
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は、この考案による光学デイスクのトラ
ツキング装置の一実施例を示すブロツク図、第２
図は、従来の光学デイスクのトラツキング装置の
ブロツク図である。
１，２，６…割算器、３…ローパスフイルタ、
４…増幅器、５…加算器。
FIG. 1 is a block diagram showing one embodiment of an optical disk tracking device according to this invention, and FIG.
The figure is a block diagram of a conventional optical disk tracking device. 1, 2, 6...Divider, 3...Low pass filter,
4...Amplifier, 5...Adder.
Claims (1)
レベル化処理する第１の回路と、 サイドスポツトトラツキングエラー信号を一定
レベル化処理する第２の回路と、 前記第２の回路の出力を前記第１の回路の出力
レベルに調整する第３の回路と、 前記第１の回路の出力と前記第３の回路の出力
とを合成してトラツキングエラー信号として出力
する第４の回路と、 を備えて成ることを特徴とする光学デイスクのト
ラツキング装置。[Claims for Utility Model Registration] A first circuit that processes a main spot tracking error signal to a certain level; a second circuit that processes a side spot tracking error signal to a certain level; and the second circuit. a third circuit that adjusts the output to the output level of the first circuit; and a fourth circuit that combines the output of the first circuit and the output of the third circuit and outputs it as a tracking error signal. An optical disk tracking device comprising: and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP236990U JPH0394625U (en) | 1990-01-17 | 1990-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP236990U JPH0394625U (en) | 1990-01-17 | 1990-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0394625U true JPH0394625U (en) | 1991-09-26 |
Family
ID=31506246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP236990U Pending JPH0394625U (en) | 1990-01-17 | 1990-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394625U (en) |
-
1990
- 1990-01-17 JP JP236990U patent/JPH0394625U/ja active Pending
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