JPH0378397U - - Google Patents

Info

Publication number
JPH0378397U
JPH0378397U JP13702989U JP13702989U JPH0378397U JP H0378397 U JPH0378397 U JP H0378397U JP 13702989 U JP13702989 U JP 13702989U JP 13702989 U JP13702989 U JP 13702989U JP H0378397 U JPH0378397 U JP H0378397U
Authority
JP
Japan
Prior art keywords
output
amplifier
signals
alarm
speaker
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.)
Pending
Application number
JP13702989U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP13702989U priority Critical patent/JPH0378397U/ja
Publication of JPH0378397U publication Critical patent/JPH0378397U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
JP13702989U 1989-11-27 1989-11-27 Pending JPH0378397U (US07923587-20110412-C00022.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13702989U JPH0378397U (US07923587-20110412-C00022.png) 1989-11-27 1989-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13702989U JPH0378397U (US07923587-20110412-C00022.png) 1989-11-27 1989-11-27

Publications (1)

Publication Number Publication Date
JPH0378397U true JPH0378397U (US07923587-20110412-C00022.png) 1991-08-08

Family

ID=31684204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13702989U Pending JPH0378397U (US07923587-20110412-C00022.png) 1989-11-27 1989-11-27

Country Status (1)

Country Link
JP (1) JPH0378397U (US07923587-20110412-C00022.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6435496A (en) * 1987-07-30 1989-02-06 Noboru Denki Seisakusho Kk High sound volume bell circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6435496A (en) * 1987-07-30 1989-02-06 Noboru Denki Seisakusho Kk High sound volume bell circuit

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