JP4516373B2 - 警報システム - Google Patents
警報システム Download PDFInfo
- Publication number
- JP4516373B2 JP4516373B2 JP2004228922A JP2004228922A JP4516373B2 JP 4516373 B2 JP4516373 B2 JP 4516373B2 JP 2004228922 A JP2004228922 A JP 2004228922A JP 2004228922 A JP2004228922 A JP 2004228922A JP 4516373 B2 JP4516373 B2 JP 4516373B2
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- JP
- Japan
- Prior art keywords
- alarm
- terminal
- ground terminal
- common
- 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.)
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Description
11、21、31 ドライバ
12、22、32 受動LED
13、23、33 逆流防止ダイオード
1H、2H、3H ホット端子
1C、2C、3C コールド端子
CL 共通警報線
Claims (2)
- 2線式の共通警報線で互いに接続された複数の警報器から構成される警報システムであって、
前記複数の警報器は、同等の構成を有し、
前記共通警報線の一方の線に接続される接地端子と、
前記共通警報線の他方の線に接続される非接地端子と、
電源と前記非接地端子との間に直列的に接続された警報感知素子と、
前記非接地端子と前記接地端子の間に並列的に接続され、所定の警報信号に応答して、前記非接地端子と前記接地端子との間を短絡させる短絡制御回路と、
を含むことを特徴とする警報システム。 - 請求項1記載の警報システムにおいて、
前記警報感知素子と非接地端子との間に接続された、各警報器の個体差を吸収するための電流制限用の抵抗、
を含むことを特徴とする警報システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004228922A JP4516373B2 (ja) | 2004-08-05 | 2004-08-05 | 警報システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004228922A JP4516373B2 (ja) | 2004-08-05 | 2004-08-05 | 警報システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006048396A JP2006048396A (ja) | 2006-02-16 |
JP4516373B2 true JP4516373B2 (ja) | 2010-08-04 |
Family
ID=36026874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004228922A Active JP4516373B2 (ja) | 2004-08-05 | 2004-08-05 | 警報システム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4516373B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5881547B2 (ja) * | 2012-07-05 | 2016-03-09 | 能美防災株式会社 | 火災報知設備 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006011791A (ja) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Works Ltd | 住宅用火災警報システム |
-
2004
- 2004-08-05 JP JP2004228922A patent/JP4516373B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006011791A (ja) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Works Ltd | 住宅用火災警報システム |
Also Published As
Publication number | Publication date |
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JP2006048396A (ja) | 2006-02-16 |
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