JPH0312140U - - Google Patents
Info
- Publication number
- JPH0312140U JPH0312140U JP7320489U JP7320489U JPH0312140U JP H0312140 U JPH0312140 U JP H0312140U JP 7320489 U JP7320489 U JP 7320489U JP 7320489 U JP7320489 U JP 7320489U JP H0312140 U JPH0312140 U JP H0312140U
- Authority
- JP
- Japan
- Prior art keywords
- light
- infrared
- infrared light
- infrared sensor
- optical systems
- 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 5
- 230000003287 optical effect Effects 0.000 claims 11
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7320489U JPH0312140U (sv) | 1989-06-21 | 1989-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7320489U JPH0312140U (sv) | 1989-06-21 | 1989-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312140U true JPH0312140U (sv) | 1991-02-07 |
Family
ID=31611825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7320489U Pending JPH0312140U (sv) | 1989-06-21 | 1989-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312140U (sv) |
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 JP7320489U patent/JPH0312140U/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 |