JPH0342790Y2 - - Google Patents

Info

Publication number
JPH0342790Y2
JPH0342790Y2 JP1986012948U JP1294886U JPH0342790Y2 JP H0342790 Y2 JPH0342790 Y2 JP H0342790Y2 JP 1986012948 U JP1986012948 U JP 1986012948U JP 1294886 U JP1294886 U JP 1294886U JP H0342790 Y2 JPH0342790 Y2 JP H0342790Y2
Authority
JP
Japan
Prior art keywords
telephone
line
telephone line
telephones
relay
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
JP1986012948U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62127187U (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 JP1986012948U priority Critical patent/JPH0342790Y2/ja
Publication of JPS62127187U publication Critical patent/JPS62127187U/ja
Application granted granted Critical
Publication of JPH0342790Y2 publication Critical patent/JPH0342790Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP1986012948U 1986-01-31 1986-01-31 Expired JPH0342790Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986012948U JPH0342790Y2 (en]) 1986-01-31 1986-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986012948U JPH0342790Y2 (en]) 1986-01-31 1986-01-31

Publications (2)

Publication Number Publication Date
JPS62127187U JPS62127187U (en]) 1987-08-12
JPH0342790Y2 true JPH0342790Y2 (en]) 1991-09-06

Family

ID=30801553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986012948U Expired JPH0342790Y2 (en]) 1986-01-31 1986-01-31

Country Status (1)

Country Link
JP (1) JPH0342790Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2535090B2 (ja) * 1990-05-15 1996-09-18 松下電工株式会社 家庭用簡易交換装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57178456A (en) * 1981-04-24 1982-11-02 Tamura Electric Works Ltd Key telephone set

Also Published As

Publication number Publication date
JPS62127187U (en]) 1987-08-12

Similar Documents

Publication Publication Date Title
US4759055A (en) Key telephone system
JPH0147067B2 (en])
JPH0342790Y2 (en])
JPH0377719B2 (en])
JPH0322120B2 (en])
JPH0470833B2 (en])
JPS6039970A (ja) 極性反転検出回路
JP2524882B2 (ja) 通信管理装置
JPS62114394A (ja) 簡易電話交換装置
JP2610415B2 (ja) フック検出回路
JP2767680B2 (ja) ボタン電話装置
JP2804551B2 (ja) 家庭用簡易交換装置
JPH018060Y2 (en])
JP4345713B2 (ja) 回線端末装置
JPS62114397A (ja) 電話交換装置
JP3554678B2 (ja) 端末網制御装置
JPH048989B2 (en])
JPH0115264Y2 (en])
JPH053515A (ja) 家庭用電話交換システム
JPH04192955A (ja) 家庭用簡易電話交換装置
JPS63190459A (ja) 有線放送用電話機
JPS6282858A (ja) 網制御方式
JPS6359045A (ja) 電話回線端末装置
JPH10164629A (ja) 電話装置
JPH0722302B2 (ja) 電話機付き端末装置の擬似リンガ音鳴動防止方式