FR2694669B1 - Systeme de transmission a concentrateur de trafic. - Google Patents

Systeme de transmission a concentrateur de trafic.

Info

Publication number
FR2694669B1
FR2694669B1 FR9308081A FR9308081A FR2694669B1 FR 2694669 B1 FR2694669 B1 FR 2694669B1 FR 9308081 A FR9308081 A FR 9308081A FR 9308081 A FR9308081 A FR 9308081A FR 2694669 B1 FR2694669 B1 FR 2694669B1
Authority
FR
France
Prior art keywords
transmission system
hub transmission
traffic hub
traffic
transmission
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 - Fee Related
Application number
FR9308081A
Other languages
English (en)
Other versions
FR2694669A1 (fr
Inventor
Suzuki Shigeaki
Naito Yuhshi
Fushimi Wataru
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2694669A1 publication Critical patent/FR2694669A1/fr
Application granted granted Critical
Publication of FR2694669B1 publication Critical patent/FR2694669B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33361—Mode signalling or mode changing; Handshaking therefor according to characteristics or the state of the communication line
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/068—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using time division multiplex techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33307—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only
    • H04N1/33323—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only transmission mode only, e.g. speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/333—Mode signalling or mode changing; Handshaking therefor
    • H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
    • H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
    • H04N2201/3335—Speed or rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/333—Mode signalling or mode changing; Handshaking therefor
    • H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
    • H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
    • H04N2201/33371—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode using test signals, e.g. checking error occurrences

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Facsimiles In General (AREA)
  • Time-Division Multiplex Systems (AREA)
FR9308081A 1992-07-01 1993-07-01 Systeme de transmission a concentrateur de trafic. Expired - Fee Related FR2694669B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4174067A JP2760217B2 (ja) 1992-07-01 1992-07-01 ディジタル回線多重化伝送装置

Publications (2)

Publication Number Publication Date
FR2694669A1 FR2694669A1 (fr) 1994-02-11
FR2694669B1 true FR2694669B1 (fr) 1995-11-03

Family

ID=15972055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9308081A Expired - Fee Related FR2694669B1 (fr) 1992-07-01 1993-07-01 Systeme de transmission a concentrateur de trafic.

Country Status (5)

Country Link
US (1) US5493610A (fr)
JP (1) JP2760217B2 (fr)
FR (1) FR2694669B1 (fr)
GB (1) GB2268665B (fr)
IL (1) IL106162A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG45250A1 (en) * 1993-01-04 1998-01-16 Intel Corp Simultaneous transfer of control information with voice and data over a public switched telephone network line
US5760915A (en) * 1995-05-22 1998-06-02 Nec Corporation Communication system capable of carrying out communication of speech and image with a simple structure
US5712915A (en) * 1995-06-07 1998-01-27 Comsat Corporation Encrypted digital circuit multiplication system
US5878119A (en) * 1996-06-20 1999-03-02 Northern Telecom Limited Idle suppression and signal threshold determination therefor
US6373852B1 (en) 1996-07-15 2002-04-16 At&T Corp. Coupling multiple low data rate lines to effect high data rate communication
US5742587A (en) * 1997-02-28 1998-04-21 Lanart Corporation Load balancing port switching hub
JPH11289445A (ja) 1998-04-02 1999-10-19 Mitsubishi Electric Corp ファクシミリ信号中継伝送方式
JP3783829B2 (ja) * 2000-02-08 2006-06-07 三菱電機株式会社 ディジタル回線多重化装置
JP3761795B2 (ja) * 2000-04-10 2006-03-29 三菱電機株式会社 ディジタル回線多重化装置
FR2863797B1 (fr) * 2003-12-15 2006-02-24 Cit Alcatel Compression/decompression de couche deux pour la transmission mixte synchrone/asynchrone de trames de donnees au sein d'un reseau de communications

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
JPH0831934B2 (ja) * 1985-08-26 1996-03-27 株式会社東芝 ファクシミリ通信方式
US4757495A (en) * 1986-03-05 1988-07-12 Telebit Corporation Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels
GB8605613D0 (en) * 1986-03-07 1986-04-16 Limb J O Traffic scheduler
US4727536A (en) * 1986-06-19 1988-02-23 General Datacomm, Inc. Variable control and data rates in highly efficient multiplexer
US4769811A (en) * 1986-12-31 1988-09-06 American Telephone And Telegraph Company, At&T Bell Laboratories Packet switching system arranged for congestion control
JPH0831935B2 (ja) * 1987-09-21 1996-03-27 国際電信電話株式会社 ファクシミリ通信方法
US5377327A (en) * 1988-04-22 1994-12-27 Digital Equipment Corporation Congestion avoidance scheme for computer networks
JPH02220531A (ja) * 1989-02-22 1990-09-03 Toshiba Corp 呼接続制御方式および流量監視方式
IL89461A (en) * 1989-03-02 1994-06-24 Eci Telecom Limited Telephone communication compression system
US5193151A (en) * 1989-08-30 1993-03-09 Digital Equipment Corporation Delay-based congestion avoidance in computer networks
JP2540968B2 (ja) * 1990-02-27 1996-10-09 日本電気株式会社 多方向多重通信方式
US5029164A (en) * 1990-04-13 1991-07-02 Digital Equipment Corporation Congestion avoidance in high-speed network carrying bursty traffic
US5115429A (en) * 1990-08-02 1992-05-19 Codex Corporation Dynamic encoding rate control minimizes traffic congestion in a packet network
US5319638A (en) * 1991-09-12 1994-06-07 Bell Communications Research, Inc. Link-by-link congestion control for packet transmission systems

Also Published As

Publication number Publication date
GB9313344D0 (en) 1993-08-11
IL106162A0 (en) 1993-10-20
US5493610A (en) 1996-02-20
GB2268665B (en) 1996-05-15
JPH0622051A (ja) 1994-01-28
IL106162A (en) 1996-03-31
JP2760217B2 (ja) 1998-05-28
GB2268665A (en) 1994-01-12
FR2694669A1 (fr) 1994-02-11

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Legal Events

Date Code Title Description
D6 Patent endorsed licences of rights
ST Notification of lapse

Effective date: 20080331