JPS5172201A - 2 senshikizennijudeetadensohoho oyobi sochi - Google Patents

2 senshikizennijudeetadensohoho oyobi sochi

Info

Publication number
JPS5172201A
JPS5172201A JP12334975A JP12334975A JPS5172201A JP S5172201 A JPS5172201 A JP S5172201A JP 12334975 A JP12334975 A JP 12334975A JP 12334975 A JP12334975 A JP 12334975A JP S5172201 A JPS5172201 A JP S5172201A
Authority
JP
Japan
Prior art keywords
senshikizennijudeetadensohoho
oyobi sochi
sochi
oyobi
senshikizennijudeetadensohoho oyobi
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.)
Pending
Application number
JP12334975A
Other languages
Japanese (ja)
Inventor
Koobaa Kuraasu
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
Publication of JPS5172201A publication Critical patent/JPS5172201A/en
Pending 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

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)
JP12334975A 1974-10-16 1975-10-15 2 senshikizennijudeetadensohoho oyobi sochi Pending JPS5172201A (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 (1)

Publication Number Publication Date
JPS5172201A true JPS5172201A (en) 1976-06-22

Family

ID=4101371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12334975A Pending JPS5172201A (en) 1974-10-16 1975-10-15 2 senshikizennijudeetadensohoho oyobi sochi

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)

Cited By (3)

* 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
JPS54143007A (en) * 1978-04-28 1979-11-07 Toshiba Corp Information transmission system
JPS58151154A (en) * 1982-03-03 1983-09-08 Hitachi Ltd Transmission system between devices

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (5)

* 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
JPS54143007A (en) * 1978-04-28 1979-11-07 Toshiba Corp Information transmission system
JPS5814104B2 (en) * 1978-04-28 1983-03-17 株式会社東芝 Information transmission method
JPS58151154A (en) * 1982-03-03 1983-09-08 Hitachi Ltd Transmission system between devices
JPH0340987B2 (en) * 1982-03-03 1991-06-20

Also Published As

Publication number Publication date
NL180799B (en) 1986-11-17
SE402510B (en) 1978-07-03
DE2546422C2 (en) 1986-12-18
NL7511655A (en) 1976-04-21
CA996691A (en) 1976-09-07
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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