CA996691A - Tow wire, full duplex data transmission system - Google Patents

Tow wire, full duplex data transmission system

Info

Publication number
CA996691A
CA996691A CA211,515A CA211515A CA996691A CA 996691 A CA996691 A CA 996691A CA 211515 A CA211515 A CA 211515A CA 996691 A CA996691 A CA 996691A
Authority
CA
Canada
Prior art keywords
data transmission
transmission system
full duplex
duplex data
tow wire
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.)
Expired
Application number
CA211,515A
Other versions
CA211515S (en
Inventor
Klaas Korver
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.)
Nortel Networks Ltd
Original Assignee
Northern 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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Priority to CA211,515A priority Critical patent/CA996691A/en
Priority to NL7511655A priority patent/NL180799C/en
Priority to GB4061475A priority patent/GB1522682A/en
Priority to IT2822575A priority patent/IT1043321B/en
Priority to JP12334975A priority patent/JPS5172201A/en
Priority to FR7531587A priority patent/FR2331222A1/en
Priority to DE19752546422 priority patent/DE2546422C2/en
Priority to SE7511637A priority patent/SE402510B/en
Application granted granted Critical
Publication of CA996691A publication Critical patent/CA996691A/en
Expired legal-status Critical Current

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
CA211,515A 1974-10-16 1974-10-16 Tow wire, full duplex data transmission system Expired CA996691A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA211,515A CA996691A (en) 1974-10-16 1974-10-16 Tow wire, full duplex data transmission system
NL7511655A NL180799C (en) 1974-10-16 1975-10-03 TELECOMMUNICATIONS SYSTEM FOR THE EXCHANGE OF DATA THROUGH TWO LINE BETWEEN A LOCAL TELEPHONE POST AND A NUMBER OF REMOTE SUBSCRIBERS.
GB4061475A GB1522682A (en) 1974-10-16 1975-10-03 Two wire full duplex data transmission system
IT2822575A IT1043321B (en) 1974-10-16 1975-10-13 TWO-WIRE DUPLEX TOTAL SYSTEM FOR DATA TRANSMISSION
JP12334975A JPS5172201A (en) 1974-10-16 1975-10-15 2 senshikizennijudeetadensohoho oyobi sochi
FR7531587A FR2331222A1 (en) 1974-10-16 1975-10-15 TWO-WIRE BIDIRECTIONAL DATA TRANSMISSION DEVICE
DE19752546422 DE2546422C2 (en) 1974-10-16 1975-10-16 Two-wire full duplex data transmission method and apparatus for carrying out the method
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

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 (1)

Publication Number Publication Date
CA996691A true CA996691A (en) 1976-09-07

Family

ID=4101371

Family Applications (1)

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

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
DE3261985D1 (en) * 1981-02-27 1985-03-07 Bbc 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
NL180799B (en) 1986-11-17
JPS5172201A (en) 1976-06-22
SE402510B (en) 1978-07-03
DE2546422C2 (en) 1986-12-18
NL7511655A (en) 1976-04-21
IT1043321B (en) 1980-02-20
NL180799C (en) 1987-04-16
FR2331222A1 (en) 1977-06-03
GB1522682A (en) 1978-08-23
FR2331222B1 (en) 1981-10-09
DE2546422A1 (en) 1976-04-22
SE7511637L (en) 1976-04-20

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