JPH02140626U - - Google Patents
Info
- Publication number
- JPH02140626U JPH02140626U JP4948889U JP4948889U JPH02140626U JP H02140626 U JPH02140626 U JP H02140626U JP 4948889 U JP4948889 U JP 4948889U JP 4948889 U JP4948889 U JP 4948889U JP H02140626 U JPH02140626 U JP H02140626U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- erasing
- path system
- optical path
- optical
- 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 11
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4948889U JPH02140626U (en]) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4948889U JPH02140626U (en]) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140626U true JPH02140626U (en]) | 1990-11-26 |
Family
ID=31567221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4948889U Pending JPH02140626U (en]) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140626U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60157730A (ja) * | 1984-01-27 | 1985-08-19 | Hitachi Ltd | 光ヘツド |
-
1989
- 1989-04-28 JP JP4948889U patent/JPH02140626U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60157730A (ja) * | 1984-01-27 | 1985-08-19 | Hitachi Ltd | 光ヘツド |