FR1440835A - Asynchronous pulse code modulation system - Google Patents

Asynchronous pulse code modulation system

Info

Publication number
FR1440835A
FR1440835A FR14270A FR14270A FR1440835A FR 1440835 A FR1440835 A FR 1440835A FR 14270 A FR14270 A FR 14270A FR 14270 A FR14270 A FR 14270A FR 1440835 A FR1440835 A FR 1440835A
Authority
FR
France
Prior art keywords
modulation system
pulse code
code modulation
asynchronous pulse
asynchronous
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
FR14270A
Other languages
French (fr)
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
Nortel Networks Ltd
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 Nortel Networks Ltd, Northern Electric Co Ltd filed Critical Nortel Networks Ltd
Priority to FR14270A priority Critical patent/FR1440835A/en
Application granted granted Critical
Publication of FR1440835A publication Critical patent/FR1440835A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR14270A 1964-05-22 1965-04-22 Asynchronous pulse code modulation system Expired FR1440835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR14270A FR1440835A (en) 1964-05-22 1965-04-22 Asynchronous pulse code modulation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA903360 1964-05-22
FR14270A FR1440835A (en) 1964-05-22 1965-04-22 Asynchronous pulse code modulation system

Publications (1)

Publication Number Publication Date
FR1440835A true FR1440835A (en) 1966-06-03

Family

ID=25673500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR14270A Expired FR1440835A (en) 1964-05-22 1965-04-22 Asynchronous pulse code modulation system

Country Status (1)

Country Link
FR (1) FR1440835A (en)

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