JPH02134370U - - Google Patents
Info
- Publication number
- JPH02134370U JPH02134370U JP4275889U JP4275889U JPH02134370U JP H02134370 U JPH02134370 U JP H02134370U JP 4275889 U JP4275889 U JP 4275889U JP 4275889 U JP4275889 U JP 4275889U JP H02134370 U JPH02134370 U JP H02134370U
- Authority
- JP
- Japan
- Prior art keywords
- light
- detection device
- opening
- closing
- light emitting
- 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 description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4275889U JPH02134370U (OSRAM) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4275889U JPH02134370U (OSRAM) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02134370U true JPH02134370U (OSRAM) | 1990-11-07 |
Family
ID=31554584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4275889U Pending JPH02134370U (OSRAM) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02134370U (OSRAM) |
-
1989
- 1989-04-12 JP JP4275889U patent/JPH02134370U/ja active Pending