JPH02119788U - - Google Patents
Info
- Publication number
- JPH02119788U JPH02119788U JP2931889U JP2931889U JPH02119788U JP H02119788 U JPH02119788 U JP H02119788U JP 2931889 U JP2931889 U JP 2931889U JP 2931889 U JP2931889 U JP 2931889U JP H02119788 U JPH02119788 U JP H02119788U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- base
- detection element
- opening
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989029318U JP2546176Y2 (ja) | 1989-03-15 | 1989-03-15 | 感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989029318U JP2546176Y2 (ja) | 1989-03-15 | 1989-03-15 | 感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02119788U true JPH02119788U (zh) | 1990-09-27 |
JP2546176Y2 JP2546176Y2 (ja) | 1997-08-27 |
Family
ID=31253428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989029318U Expired - Lifetime JP2546176Y2 (ja) | 1989-03-15 | 1989-03-15 | 感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2546176Y2 (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61102080U (zh) * | 1984-12-12 | 1986-06-28 |
-
1989
- 1989-03-15 JP JP1989029318U patent/JP2546176Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61102080U (zh) * | 1984-12-12 | 1986-06-28 |
Also Published As
Publication number | Publication date |
---|---|
JP2546176Y2 (ja) | 1997-08-27 |