JPS51139709A - Clash disposition system in bidirectional trunk line of a switching of fice - Google Patents

Clash disposition system in bidirectional trunk line of a switching of fice

Info

Publication number
JPS51139709A
JPS51139709A JP6460075A JP6460075A JPS51139709A JP S51139709 A JPS51139709 A JP S51139709A JP 6460075 A JP6460075 A JP 6460075A JP 6460075 A JP6460075 A JP 6460075A JP S51139709 A JPS51139709 A JP S51139709A
Authority
JP
Japan
Prior art keywords
clash
trunk line
switching
fice
bidirectional trunk
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
JP6460075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5729914B2 (2
Inventor
Tetsuo Niimoto
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 JP6460075A priority Critical patent/JPS51139709A/ja
Publication of JPS51139709A publication Critical patent/JPS51139709A/ja
Publication of JPS5729914B2 publication Critical patent/JPS5729914B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
JP6460075A 1975-05-28 1975-05-28 Clash disposition system in bidirectional trunk line of a switching of fice Granted JPS51139709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6460075A JPS51139709A (en) 1975-05-28 1975-05-28 Clash disposition system in bidirectional trunk line of a switching of fice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6460075A JPS51139709A (en) 1975-05-28 1975-05-28 Clash disposition system in bidirectional trunk line of a switching of fice

Publications (2)

Publication Number Publication Date
JPS51139709A true JPS51139709A (en) 1976-12-02
JPS5729914B2 JPS5729914B2 (2) 1982-06-25

Family

ID=13262900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6460075A Granted JPS51139709A (en) 1975-05-28 1975-05-28 Clash disposition system in bidirectional trunk line of a switching of fice

Country Status (1)

Country Link
JP (1) JPS51139709A (2)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131312A (2) * 1973-04-18 1974-12-17
JPS5421683A (en) * 1977-07-19 1979-02-19 Sumitomo Electric Ind Ltd Method of treating waste gas

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131312A (2) * 1973-04-18 1974-12-17
JPS5421683A (en) * 1977-07-19 1979-02-19 Sumitomo Electric Ind Ltd Method of treating waste gas

Also Published As

Publication number Publication date
JPS5729914B2 (2) 1982-06-25

Similar Documents

Publication Publication Date Title
JPS53140908A (en) First ringing control system in time sharing exchanger
JPS5411607A (en) Selection system for radio line
JPS5386102A (en) Selective exchange system
JPS51139709A (en) Clash disposition system in bidirectional trunk line of a switching of fice
JPS5313806A (en) Telephone extension system
JPS53101206A (en) Control system for telephone exchange network
JPS5414604A (en) Constituting system of communication network
JPS53126202A (en) Composite data exchange system
JPS52134308A (en) Incoming call transfer system
JPS5358705A (en) Switching system for transmission line
JPS5331909A (en) Communication network structure system
JPS53105922A (en) Absence transfer system between stations
JPS52137906A (en) Direct dial network control system
JPS52102607A (en) Remote device control system
JPS5390704A (en) Incoming response system
JPS5332603A (en) Telephone set with timer
JPS5399806A (en) Intra-office connection system
JPS52104014A (en) Dependent synchronous system
JPS5437608A (en) Extension incoming automatic selection system
JPS5349902A (en) Technical report copying system using telephone circuit
JPS52150908A (en) General command conversion system
JPS5255417A (en) Automatic exchange connection system
JPS5397309A (en) Abbreviated dialing system
JPS5276805A (en) Telephone service system
JPS533008A (en) Selected figure reception system for telephone exchange