CA946530A - Signalling means and method - Google Patents

Signalling means and method

Info

Publication number
CA946530A
CA946530A CA110,112A CA110112A CA946530A CA 946530 A CA946530 A CA 946530A CA 110112 A CA110112 A CA 110112A CA 946530 A CA946530 A CA 946530A
Authority
CA
Canada
Prior art keywords
signalling means
signalling
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
CA110,112A
Inventor
Ian A. Davidson
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 CA110,112A priority Critical patent/CA946530A/en
Application granted granted Critical
Publication of CA946530A publication Critical patent/CA946530A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/4917—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 multilevel codes
    • H04L25/4923—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 multilevel codes using ternary codes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
CA110,112A 1971-04-13 1971-04-13 Signalling means and method Expired CA946530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA110,112A CA946530A (en) 1971-04-13 1971-04-13 Signalling means and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA110,112A CA946530A (en) 1971-04-13 1971-04-13 Signalling means and method

Publications (1)

Publication Number Publication Date
CA946530A true CA946530A (en) 1974-04-30

Family

ID=4089336

Family Applications (1)

Application Number Title Priority Date Filing Date
CA110,112A Expired CA946530A (en) 1971-04-13 1971-04-13 Signalling means and method

Country Status (1)

Country Link
CA (1) CA946530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824057A1 (en) * 1977-09-26 1979-04-12 E Systems Inc SYSTEM FOR THE ENCODING OF TELEPHONE DIAL SIGNALS
US4254304A (en) * 1977-09-26 1981-03-03 E-Systems, Inc. Signal processor for use with a telephone system and a digital transmission line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824057A1 (en) * 1977-09-26 1979-04-12 E Systems Inc SYSTEM FOR THE ENCODING OF TELEPHONE DIAL SIGNALS
US4254304A (en) * 1977-09-26 1981-03-03 E-Systems, Inc. Signal processor for use with a telephone system and a digital transmission line

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