JPS63188795U - - Google Patents
Info
- Publication number
- JPS63188795U JPS63188795U JP7697887U JP7697887U JPS63188795U JP S63188795 U JPS63188795 U JP S63188795U JP 7697887 U JP7697887 U JP 7697887U JP 7697887 U JP7697887 U JP 7697887U JP S63188795 U JPS63188795 U JP S63188795U
- Authority
- JP
- Japan
- Prior art keywords
- light
- shielding body
- light source
- light shielding
- receiving element
- 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
Landscapes
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7697887U JPS63188795U (enExample) | 1987-05-22 | 1987-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7697887U JPS63188795U (enExample) | 1987-05-22 | 1987-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63188795U true JPS63188795U (enExample) | 1988-12-05 |
Family
ID=30924557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7697887U Pending JPS63188795U (enExample) | 1987-05-22 | 1987-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63188795U (enExample) |
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1987
- 1987-05-22 JP JP7697887U patent/JPS63188795U/ja active Pending