JPH0416551Y2 - - Google Patents

Info

Publication number
JPH0416551Y2
JPH0416551Y2 JP15283488U JP15283488U JPH0416551Y2 JP H0416551 Y2 JPH0416551 Y2 JP H0416551Y2 JP 15283488 U JP15283488 U JP 15283488U JP 15283488 U JP15283488 U JP 15283488U JP H0416551 Y2 JPH0416551 Y2 JP H0416551Y2
Authority
JP
Japan
Prior art keywords
telephone
circuit
switch
determination
detection means
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
JP15283488U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02130183U (en]
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 JP15283488U priority Critical patent/JPH0416551Y2/ja
Publication of JPH02130183U publication Critical patent/JPH02130183U/ja
Application granted granted Critical
Publication of JPH0416551Y2 publication Critical patent/JPH0416551Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP15283488U 1988-11-24 1988-11-24 Expired JPH0416551Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15283488U JPH0416551Y2 (en]) 1988-11-24 1988-11-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15283488U JPH0416551Y2 (en]) 1988-11-24 1988-11-24

Publications (2)

Publication Number Publication Date
JPH02130183U JPH02130183U (en]) 1990-10-26
JPH0416551Y2 true JPH0416551Y2 (en]) 1992-04-14

Family

ID=31699073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15283488U Expired JPH0416551Y2 (en]) 1988-11-24 1988-11-24

Country Status (1)

Country Link
JP (1) JPH0416551Y2 (en])

Also Published As

Publication number Publication date
JPH02130183U (en]) 1990-10-26

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