JPS63153111U - - Google Patents
Info
- Publication number
- JPS63153111U JPS63153111U JP4506787U JP4506787U JPS63153111U JP S63153111 U JPS63153111 U JP S63153111U JP 4506787 U JP4506787 U JP 4506787U JP 4506787 U JP4506787 U JP 4506787U JP S63153111 U JPS63153111 U JP S63153111U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- circuit
- sample
- error signal
- focus error
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4506787U JPH0543370Y2 (en]) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4506787U JPH0543370Y2 (en]) | 1987-03-27 | 1987-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63153111U true JPS63153111U (en]) | 1988-10-07 |
| JPH0543370Y2 JPH0543370Y2 (en]) | 1993-11-01 |
Family
ID=30863469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4506787U Expired - Lifetime JPH0543370Y2 (en]) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543370Y2 (en]) |
-
1987
- 1987-03-27 JP JP4506787U patent/JPH0543370Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543370Y2 (en]) | 1993-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2692901B2 (ja) | 情報処理装置 | |
| US4918681A (en) | Data reproducing apparatus using idling current | |
| JPS63153111U (en]) | ||
| JPH10500524A (ja) | 光学フォーカシング調整デバイス | |
| US6674694B1 (en) | Light-pickup device applied to a recording and/or reproduction device for an optical disk inluding a detection circuit that generates a focus zero cross signal | |
| JPS62140250A (ja) | 光デイスク装置 | |
| JPS62168159U (en]) | ||
| JP2558405Y2 (ja) | 対物レンズ駆動装置 | |
| JPS62168112U (en]) | ||
| JP2502494Y2 (ja) | ピックアップの移動速度検出装置 | |
| JP2656811B2 (ja) | 光学的情報記録再生装置 | |
| JPS6446703U (en]) | ||
| JPS61280042A (ja) | デイスク偏芯量測定装置 | |
| JPS6168321U (en]) | ||
| JPH01165916U (en]) | ||
| JPS63159712U (en]) | ||
| JPH0421933B2 (en]) | ||
| JPS63244421A (ja) | 多重発光装置 | |
| JPH0442443A (ja) | 光記録再生装置のフォーカスサーボ回路 | |
| JPH042317U (en]) | ||
| JPS62175414U (en]) | ||
| JPH0345223U (en]) | ||
| JPS632219U (en]) | ||
| JPH03268228A (ja) | 光ディスク装置 | |
| JPS6311724U (en]) |