JPH01107257U - - Google Patents

Info

Publication number
JPH01107257U
JPH01107257U JP109788U JP109788U JPH01107257U JP H01107257 U JPH01107257 U JP H01107257U JP 109788 U JP109788 U JP 109788U JP 109788 U JP109788 U JP 109788U JP H01107257 U JPH01107257 U JP H01107257U
Authority
JP
Japan
Prior art keywords
terminal
telephone
line
extension
central office
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
JP109788U
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 JP109788U priority Critical patent/JPH01107257U/ja
Publication of JPH01107257U publication Critical patent/JPH01107257U/ja
Pending legal-status Critical Current

Links

JP109788U 1988-01-08 1988-01-08 Pending JPH01107257U (US07642317-20100105-C00010.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP109788U JPH01107257U (US07642317-20100105-C00010.png) 1988-01-08 1988-01-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP109788U JPH01107257U (US07642317-20100105-C00010.png) 1988-01-08 1988-01-08

Publications (1)

Publication Number Publication Date
JPH01107257U true JPH01107257U (US07642317-20100105-C00010.png) 1989-07-19

Family

ID=31200685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP109788U Pending JPH01107257U (US07642317-20100105-C00010.png) 1988-01-08 1988-01-08

Country Status (1)

Country Link
JP (1) JPH01107257U (US07642317-20100105-C00010.png)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181870A (ja) * 1983-03-31 1984-10-16 Ricoh Co Ltd 回線切替装置
JPS61187494A (ja) * 1985-02-15 1986-08-21 Nippon Telegr & Teleph Corp <Ntt> ボタン電話装置
JPS6226967A (ja) * 1985-07-27 1987-02-04 Fuji Electric Co Ltd 網制御装置の着信自動切換方式
JPS62256556A (ja) * 1986-04-30 1987-11-09 Hitachi Elevator Eng & Serv Co Ltd 遠隔監視装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181870A (ja) * 1983-03-31 1984-10-16 Ricoh Co Ltd 回線切替装置
JPS61187494A (ja) * 1985-02-15 1986-08-21 Nippon Telegr & Teleph Corp <Ntt> ボタン電話装置
JPS6226967A (ja) * 1985-07-27 1987-02-04 Fuji Electric Co Ltd 網制御装置の着信自動切換方式
JPS62256556A (ja) * 1986-04-30 1987-11-09 Hitachi Elevator Eng & Serv Co Ltd 遠隔監視装置

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