JPH0320034U - - Google Patents
Info
- Publication number
- JPH0320034U JPH0320034U JP7800489U JP7800489U JPH0320034U JP H0320034 U JPH0320034 U JP H0320034U JP 7800489 U JP7800489 U JP 7800489U JP 7800489 U JP7800489 U JP 7800489U JP H0320034 U JPH0320034 U JP H0320034U
- Authority
- JP
- Japan
- Prior art keywords
- light
- output
- photodetector
- polarizing filter
- irradiation device
- 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
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7800489U JPH0320034U (no) | 1989-06-30 | 1989-06-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7800489U JPH0320034U (no) | 1989-06-30 | 1989-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0320034U true JPH0320034U (no) | 1991-02-27 |
Family
ID=31620898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7800489U Pending JPH0320034U (no) | 1989-06-30 | 1989-06-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0320034U (no) |
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1989
- 1989-06-30 JP JP7800489U patent/JPH0320034U/ja active Pending