JPS6223798U - - Google Patents

Info

Publication number
JPS6223798U
JPS6223798U JP11584685U JP11584685U JPS6223798U JP S6223798 U JPS6223798 U JP S6223798U JP 11584685 U JP11584685 U JP 11584685U JP 11584685 U JP11584685 U JP 11584685U JP S6223798 U JPS6223798 U JP S6223798U
Authority
JP
Japan
Prior art keywords
bell
sound
microphone
rung
amplifies
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
JP11584685U
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 JP11584685U priority Critical patent/JPS6223798U/ja
Publication of JPS6223798U publication Critical patent/JPS6223798U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
JP11584685U 1985-07-30 1985-07-30 Pending JPS6223798U (US20080094685A1-20080424-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11584685U JPS6223798U (US20080094685A1-20080424-C00004.png) 1985-07-30 1985-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11584685U JPS6223798U (US20080094685A1-20080424-C00004.png) 1985-07-30 1985-07-30

Publications (1)

Publication Number Publication Date
JPS6223798U true JPS6223798U (US20080094685A1-20080424-C00004.png) 1987-02-13

Family

ID=30999884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11584685U Pending JPS6223798U (US20080094685A1-20080424-C00004.png) 1985-07-30 1985-07-30

Country Status (1)

Country Link
JP (1) JPS6223798U (US20080094685A1-20080424-C00004.png)

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