JPS57164650A - Connecting circuit for dispatcher telephone - Google Patents

Connecting circuit for dispatcher telephone

Info

Publication number
JPS57164650A
JPS57164650A JP5010881A JP5010881A JPS57164650A JP S57164650 A JPS57164650 A JP S57164650A JP 5010881 A JP5010881 A JP 5010881A JP 5010881 A JP5010881 A JP 5010881A JP S57164650 A JPS57164650 A JP S57164650A
Authority
JP
Japan
Prior art keywords
lines
receiving
wire
repeater
connection part
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
JP5010881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0343822B2 (enrdf_load_stackoverflow
Inventor
Michio Mori
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP5010881A priority Critical patent/JPS57164650A/ja
Publication of JPS57164650A publication Critical patent/JPS57164650A/ja
Publication of JPH0343822B2 publication Critical patent/JPH0343822B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP5010881A 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone Granted JPS57164650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5010881A JPS57164650A (en) 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5010881A JPS57164650A (en) 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone

Publications (2)

Publication Number Publication Date
JPS57164650A true JPS57164650A (en) 1982-10-09
JPH0343822B2 JPH0343822B2 (enrdf_load_stackoverflow) 1991-07-03

Family

ID=12849883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5010881A Granted JPS57164650A (en) 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone

Country Status (1)

Country Link
JP (1) JPS57164650A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210752A (ja) * 1985-02-28 1986-09-18 Fujitsu Ltd 音声信号分配方式及び音声信号合成方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210752A (ja) * 1985-02-28 1986-09-18 Fujitsu Ltd 音声信号分配方式及び音声信号合成方式

Also Published As

Publication number Publication date
JPH0343822B2 (enrdf_load_stackoverflow) 1991-07-03

Similar Documents

Publication Publication Date Title
CA2134411A1 (en) Customer premises adsl signal distribution arrangement
US3889063A (en) Multiplexed digital data communication system
US5027347A (en) Intercom system
EP0149536A3 (en) Communications system
CA2166163A1 (en) Network System as No Arbitration Control Required, Node Device Utilized in the Network System, and Transmission Control Method for the Node Device
MY110629A (en) Method and apparatus for performing inbound calling in a wireless communication system
GB1516751A (en) Speech and data networks including circuits arranged to automatically control transmission continuity testing of connections
EP0762671A4 (en) HIGH-SPEED RADIO TRANSMISSION SYSTEM
JPS57164650A (en) Connecting circuit for dispatcher telephone
JPS645153A (en) Private line connection system
AU692713B2 (en) Transmission system for broadband distribution network
US4835766A (en) Monitoring system capable of monitoring a sequence of digital signals flowing through a subscriber line
NO153830C (no) Koblingsanordning til aa forbinde telex-deltagerstasjoner tilknyttet et dataformidlingsanlegg, med teletex-deltager-stasjoner likeledes tilknyttet dataformidlingsanlegget.Ÿ
DE3570029D1 (en) Method for transmitting data signals between subscriber stations of a data exchange
EP0142304A1 (en) Echo eliminator
JPS5787691A (en) Call signal control system for multiple connection telephone set
JP2637735B2 (ja) サービストランク接続方式
JP2710569B2 (ja) 打合回線終端装置
IL104038A0 (en) Method of controlling functionability of transmission ways of telecommunication signals
JPS6455931A (en) Multi-direction multiplex communication system
ES8302981A1 (es) Perfeccionamientos en el circuito de una instalacion telefonica, en particular en una instalacion supletoria telefonica, con puestos de operadora controlables planificadamente.
JPS61210752A (ja) 音声信号分配方式及び音声信号合成方式
JPS57170637A (en) Simple on-line communication system
JPS5762691A (en) Signal conversion system from pb signal to dp signal
JPH025652A (ja) 通信制御装置およびループ型ネットワークシステム