JPH01174720U - - Google Patents
Info
- Publication number
- JPH01174720U JPH01174720U JP6908288U JP6908288U JPH01174720U JP H01174720 U JPH01174720 U JP H01174720U JP 6908288 U JP6908288 U JP 6908288U JP 6908288 U JP6908288 U JP 6908288U JP H01174720 U JPH01174720 U JP H01174720U
- Authority
- JP
- Japan
- Prior art keywords
- optical element
- element system
- light source
- photodetector
- light
- 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 15
- 238000001514 detection method Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6908288U JPH01174720U (it) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6908288U JPH01174720U (it) | 1988-05-25 | 1988-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01174720U true JPH01174720U (it) | 1989-12-12 |
Family
ID=31294374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6908288U Pending JPH01174720U (it) | 1988-05-25 | 1988-05-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01174720U (it) |
-
1988
- 1988-05-25 JP JP6908288U patent/JPH01174720U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0461301U (it) | ||
EP0379363A3 (en) | Optical head device for use in optical disk system | |
JPH01174720U (it) | ||
JPS62202628U (it) | ||
JPH0194540A (ja) | 光ピックアップ | |
JPS63113221U (it) | ||
JPH01177427U (it) | ||
JPS63153323U (it) | ||
JPS62113421U (it) | ||
JPS6452123U (it) | ||
JPH01174721U (it) | ||
JPH0280317U (it) | ||
JPS6437913U (it) | ||
JPS6332312U (it) | ||
JPS61182926U (it) | ||
JPH01162118U (it) | ||
JPH0211521U (it) | ||
JPS6148428U (it) | ||
JPH0349629U (it) | ||
JPS6384732U (it) | ||
JPS6311727U (it) | ||
JPH0265215U (it) | ||
JPS6229632U (it) | ||
JPS62117719U (it) | ||
JPH01162119U (it) |