JPS5852742Y2 - 放送装置 - Google Patents

放送装置

Info

Publication number
JPS5852742Y2
JPS5852742Y2 JP3849479U JP3849479U JPS5852742Y2 JP S5852742 Y2 JPS5852742 Y2 JP S5852742Y2 JP 3849479 U JP3849479 U JP 3849479U JP 3849479 U JP3849479 U JP 3849479U JP S5852742 Y2 JPS5852742 Y2 JP S5852742Y2
Authority
JP
Japan
Prior art keywords
floor
emergency
broadcasting
broadcast
switch
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
Application number
JP3849479U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55138851U (enrdf_load_stackoverflow
Inventor
昭男 安達
諭 成沢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hochiki Corp
Original Assignee
Hochiki Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hochiki Corp filed Critical Hochiki Corp
Priority to JP3849479U priority Critical patent/JPS5852742Y2/ja
Publication of JPS55138851U publication Critical patent/JPS55138851U/ja
Application granted granted Critical
Publication of JPS5852742Y2 publication Critical patent/JPS5852742Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
JP3849479U 1979-03-23 1979-03-23 放送装置 Expired JPS5852742Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3849479U JPS5852742Y2 (ja) 1979-03-23 1979-03-23 放送装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3849479U JPS5852742Y2 (ja) 1979-03-23 1979-03-23 放送装置

Publications (2)

Publication Number Publication Date
JPS55138851U JPS55138851U (enrdf_load_stackoverflow) 1980-10-03
JPS5852742Y2 true JPS5852742Y2 (ja) 1983-12-01

Family

ID=28903559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3849479U Expired JPS5852742Y2 (ja) 1979-03-23 1979-03-23 放送装置

Country Status (1)

Country Link
JP (1) JPS5852742Y2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63299540A (ja) * 1987-05-29 1988-12-07 Aihon Kk 警報・放送切換機能付音響装置
JP2816606B2 (ja) * 1991-03-25 1998-10-27 ニッタン株式会社 火災感知ユニット及びこれを用いた火災警報システム

Also Published As

Publication number Publication date
JPS55138851U (enrdf_load_stackoverflow) 1980-10-03

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