JPH039096U - - Google Patents
Info
- Publication number
- JPH039096U JPH039096U JP6927689U JP6927689U JPH039096U JP H039096 U JPH039096 U JP H039096U JP 6927689 U JP6927689 U JP 6927689U JP 6927689 U JP6927689 U JP 6927689U JP H039096 U JPH039096 U JP H039096U
- Authority
- JP
- Japan
- Prior art keywords
- light
- type sensor
- photoelectric
- separation type
- distance
- 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
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6927689U JPH039096U (enExample) | 1989-06-13 | 1989-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6927689U JPH039096U (enExample) | 1989-06-13 | 1989-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH039096U true JPH039096U (enExample) | 1991-01-29 |
Family
ID=31604434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6927689U Pending JPH039096U (enExample) | 1989-06-13 | 1989-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH039096U (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611095U (ja) * | 1990-12-27 | 1994-02-10 | 日本信号株式会社 | 車両方向判別装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228294B2 (enExample) * | 1981-07-23 | 1987-06-19 | Matsuda Kk |
-
1989
- 1989-06-13 JP JP6927689U patent/JPH039096U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228294B2 (enExample) * | 1981-07-23 | 1987-06-19 | Matsuda Kk |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611095U (ja) * | 1990-12-27 | 1994-02-10 | 日本信号株式会社 | 車両方向判別装置 |