JPH02130097U - - Google Patents

Info

Publication number
JPH02130097U
JPH02130097U JP321490U JP321490U JPH02130097U JP H02130097 U JPH02130097 U JP H02130097U JP 321490 U JP321490 U JP 321490U JP 321490 U JP321490 U JP 321490U JP H02130097 U JPH02130097 U JP H02130097U
Authority
JP
Japan
Prior art keywords
circuit
acoustic
intercom
indicator light
output
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
JP321490U
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 JP321490U priority Critical patent/JPH02130097U/ja
Publication of JPH02130097U publication Critical patent/JPH02130097U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
JP321490U 1990-01-18 1990-01-18 Pending JPH02130097U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP321490U JPH02130097U (enrdf_load_stackoverflow) 1990-01-18 1990-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP321490U JPH02130097U (enrdf_load_stackoverflow) 1990-01-18 1990-01-18

Publications (1)

Publication Number Publication Date
JPH02130097U true JPH02130097U (enrdf_load_stackoverflow) 1990-10-26

Family

ID=31507047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP321490U Pending JPH02130097U (enrdf_load_stackoverflow) 1990-01-18 1990-01-18

Country Status (1)

Country Link
JP (1) JPH02130097U (enrdf_load_stackoverflow)

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

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

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