JPS60107968A - アナログスイッチ回路を備えた端末装置 - Google Patents

アナログスイッチ回路を備えた端末装置

Info

Publication number
JPS60107968A
JPS60107968A JP21501983A JP21501983A JPS60107968A JP S60107968 A JPS60107968 A JP S60107968A JP 21501983 A JP21501983 A JP 21501983A JP 21501983 A JP21501983 A JP 21501983A JP S60107968 A JPS60107968 A JP S60107968A
Authority
JP
Japan
Prior art keywords
voltage
analog switch
terminal device
signal
state
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
JP21501983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6328550B2 (enrdf_load_stackoverflow
Inventor
Yuichi Morita
祐一 森田
Kyoichi Nakakawara
中河原　喬一
Yuzo Tsuruta
鶴田　勇三
Fukue Ogawa
尾川　福重
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.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP21501983A priority Critical patent/JPS60107968A/ja
Publication of JPS60107968A publication Critical patent/JPS60107968A/ja
Publication of JPS6328550B2 publication Critical patent/JPS6328550B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/301—Circuit arrangements at the subscriber's side of the line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP21501983A 1983-11-17 1983-11-17 アナログスイッチ回路を備えた端末装置 Granted JPS60107968A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21501983A JPS60107968A (ja) 1983-11-17 1983-11-17 アナログスイッチ回路を備えた端末装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21501983A JPS60107968A (ja) 1983-11-17 1983-11-17 アナログスイッチ回路を備えた端末装置

Publications (2)

Publication Number Publication Date
JPS60107968A true JPS60107968A (ja) 1985-06-13
JPS6328550B2 JPS6328550B2 (enrdf_load_stackoverflow) 1988-06-08

Family

ID=16665380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21501983A Granted JPS60107968A (ja) 1983-11-17 1983-11-17 アナログスイッチ回路を備えた端末装置

Country Status (1)

Country Link
JP (1) JPS60107968A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04119238U (ja) * 1991-04-03 1992-10-26 秀雄 石迫 自動車照明自動制御装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135461A (en) * 1979-04-09 1980-10-22 Nippon Telegr & Teleph Corp <Ntt> Starting system for terminal unit
JPS5797762A (en) * 1980-12-11 1982-06-17 Nippon Telegr & Teleph Corp <Ntt> Analogue switch circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135461A (en) * 1979-04-09 1980-10-22 Nippon Telegr & Teleph Corp <Ntt> Starting system for terminal unit
JPS5797762A (en) * 1980-12-11 1982-06-17 Nippon Telegr & Teleph Corp <Ntt> Analogue switch circuit

Also Published As

Publication number Publication date
JPS6328550B2 (enrdf_load_stackoverflow) 1988-06-08

Similar Documents

Publication Publication Date Title
US6373376B1 (en) AC synchronization with miswire detection for a multi-node serial communication system
US3870822A (en) Supplying a charging current by way of telephone lines or the like
US4220825A (en) Telephone status monitor circit
JPS60107968A (ja) アナログスイッチ回路を備えた端末装置
US4443669A (en) Subscriber connection circuit
US3828139A (en) Disconnect circuit for telephone systems
EP0501775A2 (en) Remote line test facility
JPS6214149B2 (enrdf_load_stackoverflow)
JPS6328549B2 (enrdf_load_stackoverflow)
JPS58115997A (ja) サ−ビス要求呼および連続性センサ回路
RU2029968C1 (ru) Устройство для контроля сопротивления изоляции электрических цепей
SU1194151A1 (ru) Устройство дл автоматического контрол электрических параметров кабелей и жгутов
JP3600987B2 (ja) 給電回路
DE3110119A1 (de) Energierichtungsanzeiger
JPS637068B2 (enrdf_load_stackoverflow)
SU1443203A1 (ru) Устройство контрол соединений сети линий св зи
JP2731247B2 (ja) 網制御装置
SU1120255A1 (ru) Устройство дл автоматической проверки параметров электрических цепей
CN118244098A (zh) 检测电路及电子设备
SU658532A1 (ru) Устройство дл контрол реле
SU1522160A1 (ru) Устройство дл контрол работы электромагнита
SU1190312A1 (ru) Устройство автоматического контрол монтажа с радиоэлементами
SU1073712A1 (ru) Устройство предварительного автоматического контрол изол ции участка электрической сети
JP3486147B2 (ja) 中継器用媒体試験補助装置及び媒体試験方法
JP2984431B2 (ja) 網制御装置