JPH01154527U - - Google Patents
Info
- Publication number
- JPH01154527U JPH01154527U JP4900588U JP4900588U JPH01154527U JP H01154527 U JPH01154527 U JP H01154527U JP 4900588 U JP4900588 U JP 4900588U JP 4900588 U JP4900588 U JP 4900588U JP H01154527 U JPH01154527 U JP H01154527U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- reflected light
- recording surface
- written
- signal
- 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
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4900588U JPH01154527U (de) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4900588U JPH01154527U (de) | 1988-04-12 | 1988-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01154527U true JPH01154527U (de) | 1989-10-24 |
Family
ID=31275127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4900588U Pending JPH01154527U (de) | 1988-04-12 | 1988-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01154527U (de) |
-
1988
- 1988-04-12 JP JP4900588U patent/JPH01154527U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02128216U (de) | ||
| JPS61111036U (de) | ||
| JPH0412540B2 (de) | ||
| JPH01154527U (de) | ||
| JPS6044730B2 (ja) | 情報記録媒体の製造方法 | |
| JPS6355217U (de) | ||
| JPS61140430U (de) | ||
| JPS61140429U (de) | ||
| JPH0810851Y2 (ja) | 光ピツクアツプ装置 | |
| JPS59157224U (ja) | 照射ビ−ム制御装置 | |
| JPH02110024U (de) | ||
| JPH0226129U (de) | ||
| JPH0289627U (de) | ||
| JPH0296619U (de) | ||
| JPS61174026U (de) | ||
| JPS6311724U (de) | ||
| JPH0280319U (de) | ||
| JPH042317U (de) | ||
| JPS60127630U (ja) | 記録情報再生装置 | |
| JPS63193221U (de) | ||
| JPS5843634U (ja) | 記録再生用ピツクアツプ | |
| JPH0246920U (de) | ||
| JPH0332728U (de) | ||
| JPS62195221U (de) | ||
| JPS6020024U (ja) | 光学式ピツクアツプの反射部材調整装置 |