JPH0355909Y2 - - Google Patents
Info
- Publication number
- JPH0355909Y2 JPH0355909Y2 JP16520485U JP16520485U JPH0355909Y2 JP H0355909 Y2 JPH0355909 Y2 JP H0355909Y2 JP 16520485 U JP16520485 U JP 16520485U JP 16520485 U JP16520485 U JP 16520485U JP H0355909 Y2 JPH0355909 Y2 JP H0355909Y2
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- light
- output
- emitter
- frequency
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 14
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16520485U JPH0355909Y2 (en]) | 1985-10-29 | 1985-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16520485U JPH0355909Y2 (en]) | 1985-10-29 | 1985-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6273282U JPS6273282U (en]) | 1987-05-11 |
| JPH0355909Y2 true JPH0355909Y2 (en]) | 1991-12-13 |
Family
ID=31095024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16520485U Expired JPH0355909Y2 (en]) | 1985-10-29 | 1985-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355909Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2531524Y2 (ja) * | 1987-09-02 | 1997-04-02 | 竹中エンジニアリング工業 株式会社 | 赤外線式検知装置 |
-
1985
- 1985-10-29 JP JP16520485U patent/JPH0355909Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6273282U (en]) | 1987-05-11 |
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