JPH0565918B2 - - Google Patents
Info
- Publication number
- JPH0565918B2 JPH0565918B2 JP59199902A JP19990284A JPH0565918B2 JP H0565918 B2 JPH0565918 B2 JP H0565918B2 JP 59199902 A JP59199902 A JP 59199902A JP 19990284 A JP19990284 A JP 19990284A JP H0565918 B2 JPH0565918 B2 JP H0565918B2
- Authority
- JP
- Japan
- Prior art keywords
- district
- fire
- circuit
- disconnection
- line
- 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
- 238000001514 detection method Methods 0.000 claims description 28
- 230000010355 oscillation Effects 0.000 claims description 11
- 230000004397 blinking Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19990284A JPS6177999A (ja) | 1984-09-25 | 1984-09-25 | 火災受信機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19990284A JPS6177999A (ja) | 1984-09-25 | 1984-09-25 | 火災受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6177999A JPS6177999A (ja) | 1986-04-21 |
JPH0565918B2 true JPH0565918B2 (no) | 1993-09-20 |
Family
ID=16415499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19990284A Granted JPS6177999A (ja) | 1984-09-25 | 1984-09-25 | 火災受信機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6177999A (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6429996A (en) * | 1987-07-25 | 1989-01-31 | Nittan Co Ltd | Receiver for fire alarm |
JP2794670B2 (ja) * | 1988-07-29 | 1998-09-10 | ホーチキ株式会社 | 畜積型火災受信機 |
JP2020024765A (ja) * | 2019-11-22 | 2020-02-13 | ホーチキ株式会社 | 防災監視システム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55115196A (en) * | 1979-02-27 | 1980-09-04 | Matsushita Electric Works Ltd | Broken wire display circuit for fire alarm |
JPS55116184A (en) * | 1979-02-28 | 1980-09-06 | Matsushita Electric Works Ltd | Broken wire display circuit for fire alarm |
JPS5679393A (en) * | 1979-11-30 | 1981-06-29 | Toyo Jihouki Seisakusho Kk | Fire annunciator |
JPS5748191A (en) * | 1980-09-05 | 1982-03-19 | Nittan Co Ltd | Fire warning device |
JPS58134392A (ja) * | 1982-02-04 | 1983-08-10 | ニツタン株式会社 | 火災報知装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55128183U (no) * | 1979-02-28 | 1980-09-10 |
-
1984
- 1984-09-25 JP JP19990284A patent/JPS6177999A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55115196A (en) * | 1979-02-27 | 1980-09-04 | Matsushita Electric Works Ltd | Broken wire display circuit for fire alarm |
JPS55116184A (en) * | 1979-02-28 | 1980-09-06 | Matsushita Electric Works Ltd | Broken wire display circuit for fire alarm |
JPS5679393A (en) * | 1979-11-30 | 1981-06-29 | Toyo Jihouki Seisakusho Kk | Fire annunciator |
JPS5748191A (en) * | 1980-09-05 | 1982-03-19 | Nittan Co Ltd | Fire warning device |
JPS58134392A (ja) * | 1982-02-04 | 1983-08-10 | ニツタン株式会社 | 火災報知装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6177999A (ja) | 1986-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |