JPS6072081U - 電話システム - Google Patents

電話システム

Info

Publication number
JPS6072081U
JPS6072081U JP16415583U JP16415583U JPS6072081U JP S6072081 U JPS6072081 U JP S6072081U JP 16415583 U JP16415583 U JP 16415583U JP 16415583 U JP16415583 U JP 16415583U JP S6072081 U JPS6072081 U JP S6072081U
Authority
JP
Japan
Prior art keywords
telephone
control signals
signals
demodulating
modulating
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.)
Granted
Application number
JP16415583U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0210713Y2 (enrdf_load_stackoverflow
Inventor
岩全 西門
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP16415583U priority Critical patent/JPS6072081U/ja
Publication of JPS6072081U publication Critical patent/JPS6072081U/ja
Application granted granted Critical
Publication of JPH0210713Y2 publication Critical patent/JPH0210713Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP16415583U 1983-10-24 1983-10-24 電話システム Granted JPS6072081U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16415583U JPS6072081U (ja) 1983-10-24 1983-10-24 電話システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16415583U JPS6072081U (ja) 1983-10-24 1983-10-24 電話システム

Publications (2)

Publication Number Publication Date
JPS6072081U true JPS6072081U (ja) 1985-05-21
JPH0210713Y2 JPH0210713Y2 (enrdf_load_stackoverflow) 1990-03-16

Family

ID=30359974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16415583U Granted JPS6072081U (ja) 1983-10-24 1983-10-24 電話システム

Country Status (1)

Country Link
JP (1) JPS6072081U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0210713Y2 (enrdf_load_stackoverflow) 1990-03-16

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