JPH0166617U - - Google Patents
Info
- Publication number
- JPH0166617U JPH0166617U JP1987161099U JP16109987U JPH0166617U JP H0166617 U JPH0166617 U JP H0166617U JP 1987161099 U JP1987161099 U JP 1987161099U JP 16109987 U JP16109987 U JP 16109987U JP H0166617 U JPH0166617 U JP H0166617U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving
- emitting
- receiving element
- receiving surface
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161099U JPH0166617U (ko) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161099U JPH0166617U (ko) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166617U true JPH0166617U (ko) | 1989-04-28 |
Family
ID=31443749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161099U Pending JPH0166617U (ko) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166617U (ko) |
-
1987
- 1987-10-20 JP JP1987161099U patent/JPH0166617U/ja active Pending