JPH0229496Y2 - - Google Patents

Info

Publication number
JPH0229496Y2
JPH0229496Y2 JP1981155698U JP15569881U JPH0229496Y2 JP H0229496 Y2 JPH0229496 Y2 JP H0229496Y2 JP 1981155698 U JP1981155698 U JP 1981155698U JP 15569881 U JP15569881 U JP 15569881U JP H0229496 Y2 JPH0229496 Y2 JP H0229496Y2
Authority
JP
Japan
Prior art keywords
alarm
osc
output
amplifier
oscillator
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
JP1981155698U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5863694U (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 JP15569881U priority Critical patent/JPS5863694U/ja
Publication of JPS5863694U publication Critical patent/JPS5863694U/ja
Application granted granted Critical
Publication of JPH0229496Y2 publication Critical patent/JPH0229496Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
JP15569881U 1981-10-19 1981-10-19 ２個の警報機能付インタ−ホン方式 Granted JPS5863694U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15569881U JPS5863694U (ja) 1981-10-19 1981-10-19 ２個の警報機能付インタ−ホン方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15569881U JPS5863694U (ja) 1981-10-19 1981-10-19 ２個の警報機能付インタ−ホン方式

Publications (2)

Publication Number Publication Date
JPS5863694U JPS5863694U (ja) 1983-04-28
JPH0229496Y2 true JPH0229496Y2 (US08124317-20120228-C00060.png) 1990-08-08

Family

ID=29948268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15569881U Granted JPS5863694U (ja) 1981-10-19 1981-10-19 ２個の警報機能付インタ−ホン方式

Country Status (1)

Country Link
JP (1) JPS5863694U (US08124317-20120228-C00060.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531381A (en) * 1978-08-28 1980-03-05 Matsushita Electric Ind Co Ltd Interphone device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5283688U (US08124317-20120228-C00060.png) * 1975-12-19 1977-06-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531381A (en) * 1978-08-28 1980-03-05 Matsushita Electric Ind Co Ltd Interphone device

Also Published As

Publication number Publication date
JPS5863694U (ja) 1983-04-28

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