BE818287A - Systeme de communication de parole en duplex - Google Patents

Systeme de communication de parole en duplex

Info

Publication number
BE818287A
BE818287A BE2053784A BE2053784A BE818287A BE 818287 A BE818287 A BE 818287A BE 2053784 A BE2053784 A BE 2053784A BE 2053784 A BE2053784 A BE 2053784A BE 818287 A BE818287 A BE 818287A
Authority
BE
Belgium
Prior art keywords
communication system
speech communication
duplex speech
duplex
speech
Prior art date
Application number
BE2053784A
Other languages
English (en)
Inventor
W Smitka
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 filed Critical
Publication of BE818287A publication Critical patent/BE818287A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
BE2053784A 1973-07-31 1974-07-31 Systeme de communication de parole en duplex BE818287A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732338846 DE2338846C3 (de) 1973-07-31 1973-07-31 Sprachübertragungssystem mit einem Übertragungskanal, bei dem die Verständigung zwischen zwei Teilnehmern in beiden Richtungen möglich ist

Publications (1)

Publication Number Publication Date
BE818287A true BE818287A (fr) 1975-01-31

Family

ID=5888505

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053784A BE818287A (fr) 1973-07-31 1974-07-31 Systeme de communication de parole en duplex

Country Status (5)

Country Link
BE (1) BE818287A (fr)
DE (1) DE2338846C3 (fr)
ES (1) ES428810A1 (fr)
FR (1) FR2239824B3 (fr)
GB (1) GB1440047A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737453C2 (de) * 1977-08-19 1984-06-20 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Zeitmultiplexsystem
DE3301351A1 (de) * 1983-01-18 1984-07-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur digitalen sprachuebertragung ueber einen einzigen funkkanal
GB8322992D0 (en) * 1983-08-26 1983-09-28 Gen Electric Co Plc Line transmission systems
GB2151436A (en) * 1983-12-09 1985-07-17 Philips Electronic Associated Duplex speech transmission method and a system therefor
GB2159375A (en) * 1984-05-19 1985-11-27 Advance Electronic Prod Interrupt on priority communication systems
GB8418935D0 (en) * 1984-07-25 1984-08-30 Racal Res Ltd Duplex communications
DE3510353A1 (de) * 1985-03-22 1986-09-25 ANT Nachrichtentechnik GmbH, 7150 Backnang System zur uebertragung insbesondere von sprache
EP0538546B1 (fr) * 1986-03-25 2004-06-23 Motorola Inc. Méthode et appareil de commande d'un dispositif de communication TDM
US4949335A (en) * 1989-01-23 1990-08-14 Motorola, Inc. A TDM quasi-duplex system
EP0523366A3 (en) * 1991-06-27 1993-06-23 Siemens Aktiengesellschaft Method for reducing power consumption in the mobile part of a cordless telephone
GB9420913D0 (en) * 1994-10-17 1994-11-30 Spies Ronald W Data compression transmission and receiving apparatus to economise on call time

Also Published As

Publication number Publication date
FR2239824A1 (fr) 1975-02-28
AU7177474A (en) 1976-01-29
DE2338846B2 (de) 1978-07-20
DE2338846C3 (de) 1979-03-15
DE2338846A1 (de) 1975-02-27
FR2239824B3 (fr) 1977-06-03
ES428810A1 (es) 1976-08-16
GB1440047A (en) 1976-06-23

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