JP4934376B2 - 放送装置 - Google Patents
放送装置 Download PDFInfo
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- JP4934376B2 JP4934376B2 JP2006244300A JP2006244300A JP4934376B2 JP 4934376 B2 JP4934376 B2 JP 4934376B2 JP 2006244300 A JP2006244300 A JP 2006244300A JP 2006244300 A JP2006244300 A JP 2006244300A JP 4934376 B2 JP4934376 B2 JP 4934376B2
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- signal
- emergency
- mute
- broadcast
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Description
14 切換回路
16 リレー
18 電源回路
22 非常放送入力端子
24 状況信号入力端子
26 制御回路
28 出力回路
100 非常放送装置
Claims (1)
- 外部に設けられた非常放送装置から非常放送信号が入力される第1入力端子と、
非常事態が発生しているか否かを表す状況信号が外部から入力される第2入力端子と、
上記非常放送信号および通常放送用の音源から発せられる通常放送信号のいずれか一方を選択して出力端子から出力させる切換手段と、
上記状況信号およびミュート制御信号が入力されると共に、該状況信号が上記非常事態の非発生を表しかつ該ミュート制御信号がミュートオフを指示するとき上記通常放送信号を選択し、該状況信号が該非常事態の非発生を表しかつ該ミュート制御信号がミュートオンを指示するとき上記非常放送信号を選択し、該状況信号が該非常事態の発生を表すときは該ミュート制御信号が該ミュートオフおよび該ミュートオンのいずれを指示するのかに拘らず該非常放送信号を選択するように上記切換手段を制御する制御手段と、
を具備し、
上記切換手段は該切換手段を駆動するための電源が非供給のとき上記非常放送信号を選択する状態に構成された、
放送装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006244300A JP4934376B2 (ja) | 2006-09-08 | 2006-09-08 | 放送装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006244300A JP4934376B2 (ja) | 2006-09-08 | 2006-09-08 | 放送装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008065685A JP2008065685A (ja) | 2008-03-21 |
JP4934376B2 true JP4934376B2 (ja) | 2012-05-16 |
Family
ID=39288341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006244300A Active JP4934376B2 (ja) | 2006-09-08 | 2006-09-08 | 放送装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4934376B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012033115A (ja) * | 2010-08-02 | 2012-02-16 | Taiho Bosai Kogyo Co Ltd | 火災時消音装置および火災時消音方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10303837A (ja) * | 1997-04-24 | 1998-11-13 | Toa Corp | 構内放送装置 |
JP4290899B2 (ja) * | 2001-05-18 | 2009-07-08 | ティーオーエー株式会社 | 構内放送装置 |
JP4342459B2 (ja) * | 2005-02-25 | 2009-10-14 | 株式会社東芝 | 系統切替装置および切替ユニットならびにその切替方法 |
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2006
- 2006-09-08 JP JP2006244300A patent/JP4934376B2/ja active Active
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JP2008065685A (ja) | 2008-03-21 |
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