FR2239824A1 - - Google Patents

Info

Publication number
FR2239824A1
FR2239824A1 FR7426573A FR7426573A FR2239824A1 FR 2239824 A1 FR2239824 A1 FR 2239824A1 FR 7426573 A FR7426573 A FR 7426573A FR 7426573 A FR7426573 A FR 7426573A FR 2239824 A1 FR2239824 A1 FR 2239824A1
Authority
FR
France
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.)
Granted
Application number
FR7426573A
Other languages
French (fr)
Other versions
FR2239824B3 (de
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.)
International Standard Electric Corp
Original Assignee
International Standard 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2239824A1 publication Critical patent/FR2239824A1/fr
Application granted granted Critical
Publication of FR2239824B3 publication Critical patent/FR2239824B3/fr
Expired legal-status Critical Current

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)
FR7426573A 1973-07-31 1974-07-31 Expired FR2239824B3 (de)

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 (2)

Publication Number Publication Date
FR2239824A1 true FR2239824A1 (de) 1975-02-28
FR2239824B3 FR2239824B3 (de) 1977-06-03

Family

ID=5888505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426573A Expired FR2239824B3 (de) 1973-07-31 1974-07-31

Country Status (5)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115618A1 (de) * 1983-01-18 1984-08-15 Licentia Patent-Verwaltungs-GmbH Verfahren zur digitalen Sprachübertragung über einen einzigen Funkkanal
WO1987006082A1 (en) * 1986-03-25 1987-10-08 Motorola, Inc. Method and apparatus for controlling a tdm communication device
EP0486494A1 (de) * 1989-01-23 1992-05-27 Motorola, Inc. Quasi duplex System mit zeitlichem Multiplexieren
WO1996012353A1 (en) * 1994-10-17 1996-04-25 Ronald Wynand Spies Signal transmission apparatus with time compression

Families Citing this family (7)

* 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
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
EP0523366A3 (en) * 1991-06-27 1993-06-23 Siemens Aktiengesellschaft Method for reducing power consumption in the mobile part of a cordless telephone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115618A1 (de) * 1983-01-18 1984-08-15 Licentia Patent-Verwaltungs-GmbH Verfahren zur digitalen Sprachübertragung über einen einzigen Funkkanal
WO1987006082A1 (en) * 1986-03-25 1987-10-08 Motorola, Inc. Method and apparatus for controlling a tdm communication device
EP0486494A1 (de) * 1989-01-23 1992-05-27 Motorola, Inc. Quasi duplex System mit zeitlichem Multiplexieren
EP0486494A4 (en) * 1989-01-23 1992-08-26 Motorola, Inc. A tdm quasi-duplex system
WO1996012353A1 (en) * 1994-10-17 1996-04-25 Ronald Wynand Spies Signal transmission apparatus with time compression

Also Published As

Publication number Publication date
DE2338846C3 (de) 1979-03-15
GB1440047A (en) 1976-06-23
DE2338846A1 (de) 1975-02-27
AU7177474A (en) 1976-01-29
FR2239824B3 (de) 1977-06-03
ES428810A1 (es) 1976-08-16
BE818287A (fr) 1975-01-31
DE2338846B2 (de) 1978-07-20

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Legal Events

Date Code Title Description
ST Notification of lapse