JPS60162396A - 停電着信回路 - Google Patents

停電着信回路

Info

Publication number
JPS60162396A
JPS60162396A JP59016009A JP1600984A JPS60162396A JP S60162396 A JPS60162396 A JP S60162396A JP 59016009 A JP59016009 A JP 59016009A JP 1600984 A JP1600984 A JP 1600984A JP S60162396 A JPS60162396 A JP S60162396A
Authority
JP
Japan
Prior art keywords
power outage
circuit
power
call
line
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
JP59016009A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0329240B2 (enExample
Inventor
Yoshiki Ashigaya
芦萱　吉喜
Masaru Kudo
賢 工藤
Takanori Ozawa
小澤　隆徳
Seiya Uchida
誠也 内田
Keisuke Mochizuki
望月　啓介
Morio Takiguchi
滝口　盛夫
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.)
NAKAYO TSUSHINKI KK
NEC Platforms Ltd
Iwatsu Electric Co Ltd
Taiko Electric Works Ltd
Kanda Tsushin Kogyo Co Ltd
Nakayo Telecommunications Inc
Iwasaki Tsushinki KK
NTT Inc
Original Assignee
NAKAYO TSUSHINKI KK
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Taiko Electric Works Ltd
Kanda Tsushin Kogyo Co Ltd
Nakayo Telecommunications Inc
Iwasaki Tsushinki KK
Nitsuko 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 NAKAYO TSUSHINKI KK, Iwatsu Electric Co Ltd, Nippon Telegraph and Telephone Corp, Taiko Electric Works Ltd, Kanda Tsushin Kogyo Co Ltd, Nakayo Telecommunications Inc, Iwasaki Tsushinki KK, Nitsuko Corp filed Critical NAKAYO TSUSHINKI KK
Priority to JP59016009A priority Critical patent/JPS60162396A/ja
Publication of JPS60162396A publication Critical patent/JPS60162396A/ja
Publication of JPH0329240B2 publication Critical patent/JPH0329240B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP59016009A 1984-02-02 1984-02-02 停電着信回路 Granted JPS60162396A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59016009A JPS60162396A (ja) 1984-02-02 1984-02-02 停電着信回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59016009A JPS60162396A (ja) 1984-02-02 1984-02-02 停電着信回路

Publications (2)

Publication Number Publication Date
JPS60162396A true JPS60162396A (ja) 1985-08-24
JPH0329240B2 JPH0329240B2 (enExample) 1991-04-23

Family

ID=11904588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59016009A Granted JPS60162396A (ja) 1984-02-02 1984-02-02 停電着信回路

Country Status (1)

Country Link
JP (1) JPS60162396A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04137847A (ja) * 1990-09-28 1992-05-12 Tamura Electric Works Ltd 通信管理装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04137847A (ja) * 1990-09-28 1992-05-12 Tamura Electric Works Ltd 通信管理装置

Also Published As

Publication number Publication date
JPH0329240B2 (enExample) 1991-04-23

Similar Documents

Publication Publication Date Title
JPS6277727A (ja) コ−ドレス電話機用回線切替回路
JPS59181734A (ja) 無線電話方式
JPH11510985A (ja) 広帯域デジタル加入者線ループシステム
CN101729699B (zh) 一种分离设备及语音信号传输的方法
JPH04233891A (ja) ボタン電話用インタフェース装置
JPS6251018B2 (enExample)
JPS60162396A (ja) 停電着信回路
US6330235B1 (en) Method and apparatus providing data communication over an existing telephone network without interfering with normal telephony functions
US20020009180A1 (en) Fail to pots architecture
JPH04501639A (ja) 電気通信のための過渡信号除去回路
RU18036U1 (ru) Система засекреченной связи
EP1146723A2 (en) A system and method for selectively providing data communications in an XDSL communication system
JPH04137847A (ja) 通信管理装置
JPS60146563A (ja) 限定着信方式
JPH0310555A (ja) 網制御装置
JPS62203450A (ja) 電話機
JPS6394752A (ja) 電話機回路
JPH04192990A (ja) 信号判別回路
JP2001251447A (ja) 電話機
JPS62261269A (ja) 画像サ−ビス加入者への割込着信接続方式
JPS60260289A (ja) 電話回線表示装置及びそれを有する電話機
JPS63181557A (ja) 中継交換装置
JPH0290775A (ja) 加入者線路を使用する通信方式
JPH02312491A (ja) 加入者回路
JPH0536956U (ja) ブランチ割込み防止電話機