IT1044736B - Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio - Google Patents

Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio

Info

Publication number
IT1044736B
IT1044736B IT68030/75A IT6803075A IT1044736B IT 1044736 B IT1044736 B IT 1044736B IT 68030/75 A IT68030/75 A IT 68030/75A IT 6803075 A IT6803075 A IT 6803075A IT 1044736 B IT1044736 B IT 1044736B
Authority
IT
Italy
Prior art keywords
transmission
speed
single band
body modules
pulse coded
Prior art date
Application number
IT68030/75A
Other languages
English (en)
Italian (it)
Inventor
L Nebbia
M Copperi
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT68030/75A priority Critical patent/IT1044736B/it
Priority to DE2616617A priority patent/DE2616617C3/de
Priority to FR7611547A priority patent/FR2309087A1/fr
Priority to US05/679,787 priority patent/US4049917A/en
Priority to GB16505/76A priority patent/GB1548618A/en
Application granted granted Critical
Publication of IT1044736B publication Critical patent/IT1044736B/it

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
    • 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)
  • Time-Division Multiplex Systems (AREA)
IT68030/75A 1975-04-23 1975-04-23 Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio IT1044736B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT68030/75A IT1044736B (it) 1975-04-23 1975-04-23 Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio
DE2616617A DE2616617C3 (de) 1975-04-23 1976-04-15 Verfahren und Schaltungsanordnung zum digitalen Übertragen von zwei PCM-Systemen
FR7611547A FR2309087A1 (fr) 1975-04-23 1976-04-20 Equipement numerique pour la transmission des canaux de deux systemes de modulation par impulsions codees (pcm) a la cadence d'un seul systeme
US05/679,787 US4049917A (en) 1975-04-23 1976-04-23 PCM telecommunication system with merger of two bit streams along a common signal path
GB16505/76A GB1548618A (en) 1975-04-23 1976-04-23 Transmitting and receiving apparatus for pcm signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68030/75A IT1044736B (it) 1975-04-23 1975-04-23 Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio

Publications (1)

Publication Number Publication Date
IT1044736B true IT1044736B (it) 1980-04-21

Family

ID=11307317

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68030/75A IT1044736B (it) 1975-04-23 1975-04-23 Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio

Country Status (5)

Country Link
US (1) US4049917A (US20030199744A1-20031023-C00003.png)
DE (1) DE2616617C3 (US20030199744A1-20031023-C00003.png)
FR (1) FR2309087A1 (US20030199744A1-20031023-C00003.png)
GB (1) GB1548618A (US20030199744A1-20031023-C00003.png)
IT (1) IT1044736B (US20030199744A1-20031023-C00003.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174465A (en) * 1977-07-29 1979-11-13 Mcdonnell Douglas Corporation Signal transmitting interface system combining time compression and multiplexing
US4689757A (en) * 1983-01-17 1987-08-25 Vada Systems, Inc. Machine event processing system
US4970723A (en) * 1988-09-30 1990-11-13 At&T Bell Laboratories ISDN, basic rate interface arranged for quad voice
US5119368A (en) * 1990-04-10 1992-06-02 At&T Bell Laboratories High-speed time-division switching system
US5334977A (en) * 1991-03-08 1994-08-02 Nec Corporation ADPCM transcoder wherein different bit numbers are used in code conversion
JP3324273B2 (ja) * 1994-05-16 2002-09-17 松下電器産業株式会社 多チャンネル多重装置
FI955206A (fi) * 1995-10-31 1997-05-01 Nokia Telecommunications Oy Tiedonsiirtomenetelmä
US6404780B1 (en) * 1998-12-23 2002-06-11 Agere Systems Guardian Corp. Synchronizing data transfer protocol across high voltage interface
US6417789B1 (en) * 2000-05-12 2002-07-09 International Business Machines Corporation Highly-efficient compression data format
US6320521B1 (en) * 2000-05-12 2001-11-20 International Business Machines Corporation System and method for efficiently merging compressed data
JP3674471B2 (ja) * 2000-07-25 2005-07-20 日本電気株式会社 コンテンツ転送方法及びネットワークシステム並びにプログラムを記録した機械読み取り可能な記録媒体
US6816093B1 (en) 2003-12-03 2004-11-09 International Business Machines Corporation Apparatus method and system for increased digital media recording throughput
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707680A (en) * 1970-05-20 1972-12-26 Communications Satellite Corp Digital differential pulse code modulation system
US3927268A (en) * 1971-04-30 1975-12-16 Communications Satellite Corp Speech predictive encoding communication system

Also Published As

Publication number Publication date
DE2616617B2 (de) 1977-10-13
DE2616617A1 (de) 1976-10-28
GB1548618A (en) 1979-07-18
FR2309087A1 (fr) 1976-11-19
US4049917A (en) 1977-09-20
FR2309087B1 (US20030199744A1-20031023-C00003.png) 1980-03-14
DE2616617C3 (de) 1978-05-24

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