JPS54124910A - Main-wire transfer system - Google Patents

Main-wire transfer system

Info

Publication number
JPS54124910A
JPS54124910A JP3335378A JP3335378A JPS54124910A JP S54124910 A JPS54124910 A JP S54124910A JP 3335378 A JP3335378 A JP 3335378A JP 3335378 A JP3335378 A JP 3335378A JP S54124910 A JPS54124910 A JP S54124910A
Authority
JP
Japan
Prior art keywords
transfer
main
wire
switch terminal
extension
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
JP3335378A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6121028B2 (enrdf_load_stackoverflow
Inventor
Youji Gotou
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 JP3335378A priority Critical patent/JPS54124910A/ja
Publication of JPS54124910A publication Critical patent/JPS54124910A/ja
Publication of JPS6121028B2 publication Critical patent/JPS6121028B2/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
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP3335378A 1978-03-22 1978-03-22 Main-wire transfer system Granted JPS54124910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3335378A JPS54124910A (en) 1978-03-22 1978-03-22 Main-wire transfer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3335378A JPS54124910A (en) 1978-03-22 1978-03-22 Main-wire transfer system

Publications (2)

Publication Number Publication Date
JPS54124910A true JPS54124910A (en) 1979-09-28
JPS6121028B2 JPS6121028B2 (enrdf_load_stackoverflow) 1986-05-24

Family

ID=12384206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3335378A Granted JPS54124910A (en) 1978-03-22 1978-03-22 Main-wire transfer system

Country Status (1)

Country Link
JP (1) JPS54124910A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544813U (ja) * 1991-11-19 1993-06-15 出光興産株式会社 容 器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544813U (ja) * 1991-11-19 1993-06-15 出光興産株式会社 容 器

Also Published As

Publication number Publication date
JPS6121028B2 (enrdf_load_stackoverflow) 1986-05-24

Similar Documents

Publication Publication Date Title
JPS5362911A (en) Local calling system by in-trunk
JPS54124910A (en) Main-wire transfer system
JPS5252503A (en) Loop-type data transmission system
JPS5347704A (en) Reduction communication device
JPS5342602A (en) Transmission control system
JPS5363905A (en) Selective call communication system
JPS5333509A (en) Offering in-trunk
JPS5416111A (en) Multiplex transmission equipment
JPS52100803A (en) Call wating system
JPS5386103A (en) Message waiting control unit for automatic exchange
JPS5336408A (en) Digital loop transmission system
JPS53119606A (en) Double concentrating transmission system of tree-pair line
JPS53105922A (en) Absence transfer system between stations
JPS5360506A (en) Circuit control system
JPS5432004A (en) Transfer system for non-answer call
JPS5384502A (en) Selective calling unit
JPS5333001A (en) Inter-selective-call receiver circuit
JPS5224415A (en) Communication system
JPS52109311A (en) Communication monitoring system
JPS5332603A (en) Telephone set with timer
JPS53139963A (en) Flip flop circuit
JPS54104211A (en) Inter-board transfer system
JPS5338204A (en) Automatic sending device of pulsing signal
JPS54131803A (en) Telephone exchange connection control system
JPS52150908A (en) General command conversion system