JPH0445315U - - Google Patents
Info
- Publication number
- JPH0445315U JPH0445315U JP8668890U JP8668890U JPH0445315U JP H0445315 U JPH0445315 U JP H0445315U JP 8668890 U JP8668890 U JP 8668890U JP 8668890 U JP8668890 U JP 8668890U JP H0445315 U JPH0445315 U JP H0445315U
- Authority
- JP
- Japan
- Prior art keywords
- jitter
- amount
- reproduction
- correction signal
- measuring
- 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 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案にかかる再生補正装置の一実施
例を示す構成図、第２図は前記実施例におけるジ
ツタ量の極小検出のシーケンスを示すフローチヤ
ート、第３図は前記シーケンスにおけるジツタ量
と補正信号との関係の一例を示すグラフ、第４図
は従来技術を示す説明図である。
１０……光ピツクアツプ、１４……フオーカス
サーボ部、１６……トラツキングカーボ部、１８
……波形等化部、２０……チルトサーボ部、２２
……再生信号アンプ、２４……２値化回路、２６
……デコーダ、２８……クロツク再生回路、３０
……ジツタ量測定回路（ジツタ量測定手段）、３
２……ＣＰＵ（補正信号検出手段）、３４……Ｃ
ＰＵ周辺回路（補正信号検出手段）。
FIG. 1 is a block diagram showing an embodiment of a reproduction correction device according to the present invention, FIG. 2 is a flowchart showing a sequence for detecting the minimum amount of jitter in the above embodiment, and FIG. A graph showing an example of the relationship with the correction signal, and FIG. 4 is an explanatory diagram showing the prior art. 10... Optical pickup, 14... Focus servo section, 16... Tracking carb section, 18
... Waveform equalization section, 20 ... Tilt servo section, 22
... Reproduction signal amplifier, 24 ... Binarization circuit, 26
... Decoder, 28 ... Clock regeneration circuit, 30
...Jitter amount measuring circuit (jitter amount measuring means), 3
2...CPU (correction signal detection means), 34...C
PU peripheral circuit (correction signal detection means).
Claims (1)
み出して再生する再生手段の動作補正を行なう再
生補正装置において、 前記ピツクアツプ手段の検出信号に含まれるジ
ツタ量を測定するジツタ量測定手段と、これによ
つて測定されたジツタ量が最小となる再生動作に
対応する補正信号を検出する補正信号検出手段と
を備えたことを特徴とする再生補正装置。[Scope of Claim for Utility Model Registration] In a reproduction correction device for correcting the operation of a reproduction means that reads and reproduces information from a recording medium by a pickup means, a jitter amount measuring means for measuring the amount of jitter included in a detection signal of the pickup means. and correction signal detection means for detecting a correction signal corresponding to a playback operation that minimizes the amount of jitter measured thereby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8668890U JPH0445315U (en) | 1990-08-17 | 1990-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8668890U JPH0445315U (en) | 1990-08-17 | 1990-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445315U true JPH0445315U (en) | 1992-04-17 |
Family
ID=31818480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8668890U Pending JPH0445315U (en) | 1990-08-17 | 1990-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445315U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6282161B1 (en) | 1998-08-05 | 2001-08-28 | Samsung Electronics Co., Ltd. | Optical recording and reproducing apparatus, tilt adjusting method appropriate therefor, and recording control method |
| WO2002073615A1 (en) * | 2001-03-09 | 2002-09-19 | Matsushita Electric Industrial Co., Ltd. | Optical disc reproduction apparatus |
| WO2005101389A1 (en) * | 2004-04-12 | 2005-10-27 | Matsushita Electric Industrial Co., Ltd. | Optical disc recording/reproduction device |
-
1990
- 1990-08-17 JP JP8668890U patent/JPH0445315U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6282161B1 (en) | 1998-08-05 | 2001-08-28 | Samsung Electronics Co., Ltd. | Optical recording and reproducing apparatus, tilt adjusting method appropriate therefor, and recording control method |
| WO2002073615A1 (en) * | 2001-03-09 | 2002-09-19 | Matsushita Electric Industrial Co., Ltd. | Optical disc reproduction apparatus |
| WO2005101389A1 (en) * | 2004-04-12 | 2005-10-27 | Matsushita Electric Industrial Co., Ltd. | Optical disc recording/reproduction device |
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