SE402510B - WAY TO EXCHANGE DATA BETWEEN A LOCAL TERMINAL AND A REMOTE TERMINAL VIA A TWO-THREAD TRANSMISSION LINE AND APPARATUS FOR IMPLEMENTING THE KIT - Google Patents

WAY TO EXCHANGE DATA BETWEEN A LOCAL TERMINAL AND A REMOTE TERMINAL VIA A TWO-THREAD TRANSMISSION LINE AND APPARATUS FOR IMPLEMENTING THE KIT

Info

Publication number
SE402510B
SE402510B SE7511637A SE7511637A SE402510B SE 402510 B SE402510 B SE 402510B SE 7511637 A SE7511637 A SE 7511637A SE 7511637 A SE7511637 A SE 7511637A SE 402510 B SE402510 B SE 402510B
Authority
SE
Sweden
Prior art keywords
kit
implementing
way
transmission line
exchange data
Prior art date
Application number
SE7511637A
Other languages
Swedish (sv)
Other versions
SE7511637L (en
Inventor
K Korver
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of SE7511637L publication Critical patent/SE7511637L/en
Publication of SE402510B publication Critical patent/SE402510B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
SE7511637A 1974-10-16 1975-10-16 WAY TO EXCHANGE DATA BETWEEN A LOCAL TERMINAL AND A REMOTE TERMINAL VIA A TWO-THREAD TRANSMISSION LINE AND APPARATUS FOR IMPLEMENTING THE KIT SE402510B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211,515A CA996691A (en) 1974-10-16 1974-10-16 Tow wire, full duplex data transmission system

Publications (2)

Publication Number Publication Date
SE7511637L SE7511637L (en) 1976-04-20
SE402510B true SE402510B (en) 1978-07-03

Family

ID=4101371

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7511637A SE402510B (en) 1974-10-16 1975-10-16 WAY TO EXCHANGE DATA BETWEEN A LOCAL TERMINAL AND A REMOTE TERMINAL VIA A TWO-THREAD TRANSMISSION LINE AND APPARATUS FOR IMPLEMENTING THE KIT

Country Status (8)

Country Link
JP (1) JPS5172201A (en)
CA (1) CA996691A (en)
DE (1) DE2546422C2 (en)
FR (1) FR2331222A1 (en)
GB (1) GB1522682A (en)
IT (1) IT1043321B (en)
NL (1) NL180799C (en)
SE (1) SE402510B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5474602A (en) * 1977-11-28 1979-06-14 Hitachi Ltd Photo delivery unit of synchronous type
JPS5814104B2 (en) * 1978-04-28 1983-03-17 株式会社東芝 Information transmission method
US4287596A (en) * 1979-11-26 1981-09-01 Ncr Corporation Data recovery system for use with a high speed serial link between two subsystems in a data processing system
EP0059493B1 (en) * 1981-02-27 1985-01-23 BBC Aktiengesellschaft Brown, Boveri & Cie. Arrangement for decoding a biphase coded signal, as well as utilisation of the arrangement
JPS58151154A (en) * 1982-03-03 1983-09-08 Hitachi Ltd Transmission system between devices
US4584719A (en) * 1984-08-24 1986-04-22 System Development Corp. Fiber optic workstation datalink interface

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1216759A (en) * 1968-05-23 1970-12-23 Standard Telephones Cables Ltd Subscriber subset for p.c.m. telephone system
GB1182363A (en) * 1968-07-26 1970-02-25 Standard Telephones Cables Ltd Subscriber Subset for PCM Telephone System
GB1229149A (en) * 1969-07-28 1971-04-21
US3637939A (en) * 1970-05-07 1972-01-25 Bell Telephone Labor Inc Line status control for electronic key telephone system

Also Published As

Publication number Publication date
IT1043321B (en) 1980-02-20
SE7511637L (en) 1976-04-20
DE2546422A1 (en) 1976-04-22
DE2546422C2 (en) 1986-12-18
FR2331222B1 (en) 1981-10-09
JPS5172201A (en) 1976-06-22
FR2331222A1 (en) 1977-06-03
NL180799B (en) 1986-11-17
GB1522682A (en) 1978-08-23
NL7511655A (en) 1976-04-21
CA996691A (en) 1976-09-07
NL180799C (en) 1987-04-16

Similar Documents

Publication Publication Date Title
CA970957A (en) Electrophotographic development apparatus
ZA77291B (en) Line metering apparatus
ZA753215B (en) Bit coupling means
IL46565A0 (en) Copying apparatus
ZA751105B (en) Pipe coupling
GB1477558A (en) Pipe coupling
AU497539B2 (en) Developing apparatus
SE7504992L (en) CABLE WINNING DEVICE.
SE402510B (en) WAY TO EXCHANGE DATA BETWEEN A LOCAL TERMINAL AND A REMOTE TERMINAL VIA A TWO-THREAD TRANSMISSION LINE AND APPARATUS FOR IMPLEMENTING THE KIT
CA1006165A (en) Ballasted color photographic couplers
FR2287098A1 (en) ELECTRIC COUPLING DEVICE FOR MAGNETATION AND DE-MAGNETATION
JPS521105A (en) Flow box
BE791737A (en) DEVICE WITH FESTONED EDGES FOR INSERTION
JPS5346543A (en) Assembling apparatus for kaldan coupling
FR2286522A1 (en) PLUG CONNECTOR DEVICE
AU8340275A (en) Coupling means
AU472230B2 (en) Developing apparatus
GB1496253A (en) Copying apparatus
JPS52139583A (en) Box making apparatus
GB1476667A (en) Coupling devices
SE387013B (en) FRENCH-CLEARABLE COUPLING PLUG
GB1523399A (en) Shaft coupling
JPS5329175A (en) Optical rpm meter
JPS5339195A (en) Plugging meter
FR2293839A1 (en) AUTOMATIC EQUALIZATION DEVICE

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7511637-6

Effective date: 19930510

Format of ref document f/p: F