JPH0751679Y2 - 火災報知装置の音響鳴動回路 - Google Patents
火災報知装置の音響鳴動回路Info
- Publication number
- JPH0751679Y2 JPH0751679Y2 JP1986122911U JP12291186U JPH0751679Y2 JP H0751679 Y2 JPH0751679 Y2 JP H0751679Y2 JP 1986122911 U JP1986122911 U JP 1986122911U JP 12291186 U JP12291186 U JP 12291186U JP H0751679 Y2 JPH0751679 Y2 JP H0751679Y2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- circuit
- ringing
- fire
- district
- 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 - Lifetime
Links
- 238000010615 ring circuit Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986122911U JPH0751679Y2 (ja) | 1986-08-12 | 1986-08-12 | 火災報知装置の音響鳴動回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986122911U JPH0751679Y2 (ja) | 1986-08-12 | 1986-08-12 | 火災報知装置の音響鳴動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6331488U JPS6331488U (en]) | 1988-03-01 |
JPH0751679Y2 true JPH0751679Y2 (ja) | 1995-11-22 |
Family
ID=31013542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986122911U Expired - Lifetime JPH0751679Y2 (ja) | 1986-08-12 | 1986-08-12 | 火災報知装置の音響鳴動回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0751679Y2 (en]) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652552Y2 (en]) * | 1978-01-13 | 1981-12-08 | ||
JPS59163692A (ja) * | 1983-03-09 | 1984-09-14 | 松下電工株式会社 | 火災受信機 |
-
1986
- 1986-08-12 JP JP1986122911U patent/JPH0751679Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6331488U (en]) | 1988-03-01 |
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