JPH0312139U - - Google Patents
Info
- Publication number
- JPH0312139U JPH0312139U JP7320389U JP7320389U JPH0312139U JP H0312139 U JPH0312139 U JP H0312139U JP 7320389 U JP7320389 U JP 7320389U JP 7320389 U JP7320389 U JP 7320389U JP H0312139 U JPH0312139 U JP H0312139U
- Authority
- JP
- Japan
- Prior art keywords
- light
- infrared
- emitting
- infrared light
- sensor according
- 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 18
- 238000001514 detection method Methods 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7320389U JPH0312139U (xx) | 1989-06-21 | 1989-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7320389U JPH0312139U (xx) | 1989-06-21 | 1989-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312139U true JPH0312139U (xx) | 1991-02-07 |
Family
ID=31611823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7320389U Pending JPH0312139U (xx) | 1989-06-21 | 1989-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312139U (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413747U (xx) * | 1977-06-30 | 1979-01-29 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430056A (en) * | 1977-08-11 | 1979-03-06 | Koito Kogyo Kk | Photoelectric detector |
| JPS60159678A (ja) * | 1984-01-30 | 1985-08-21 | Nippon Air Brake Co Ltd | 物体検出装置 |
| JPS6298225A (ja) * | 1985-10-25 | 1987-05-07 | Matsushita Electric Works Ltd | 熱線式検知器の光学装置 |
-
1989
- 1989-06-21 JP JP7320389U patent/JPH0312139U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430056A (en) * | 1977-08-11 | 1979-03-06 | Koito Kogyo Kk | Photoelectric detector |
| JPS60159678A (ja) * | 1984-01-30 | 1985-08-21 | Nippon Air Brake Co Ltd | 物体検出装置 |
| JPS6298225A (ja) * | 1985-10-25 | 1987-05-07 | Matsushita Electric Works Ltd | 熱線式検知器の光学装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413747U (xx) * | 1977-06-30 | 1979-01-29 | ||
| JPS568481Y2 (xx) * | 1977-06-30 | 1981-02-24 |