JPH01138220U - - Google Patents
Info
- Publication number
- JPH01138220U JPH01138220U JP3351188U JP3351188U JPH01138220U JP H01138220 U JPH01138220 U JP H01138220U JP 3351188 U JP3351188 U JP 3351188U JP 3351188 U JP3351188 U JP 3351188U JP H01138220 U JPH01138220 U JP H01138220U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- optical recording
- respect
- beam spot
- intersection
- 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 14
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 2
- 238000002834 transmittance Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3351188U JP2506910Y2 (ja) | 1988-03-14 | 1988-03-14 | 光記録媒体及びこれに光記録を行うための光記録装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3351188U JP2506910Y2 (ja) | 1988-03-14 | 1988-03-14 | 光記録媒体及びこれに光記録を行うための光記録装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01138220U true JPH01138220U (en, 2012) | 1989-09-21 |
| JP2506910Y2 JP2506910Y2 (ja) | 1996-08-14 |
Family
ID=31260195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3351188U Expired - Lifetime JP2506910Y2 (ja) | 1988-03-14 | 1988-03-14 | 光記録媒体及びこれに光記録を行うための光記録装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2506910Y2 (en, 2012) |
-
1988
- 1988-03-14 JP JP3351188U patent/JP2506910Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2506910Y2 (ja) | 1996-08-14 |