DE2738624C2 - System zur zweiseitigen Übertragung zwischen einer Hauptstation und n Nebenstationen - Google Patents

System zur zweiseitigen Übertragung zwischen einer Hauptstation und n Nebenstationen

Info

Publication number
DE2738624C2
DE2738624C2 DE2738624A DE2738624A DE2738624C2 DE 2738624 C2 DE2738624 C2 DE 2738624C2 DE 2738624 A DE2738624 A DE 2738624A DE 2738624 A DE2738624 A DE 2738624A DE 2738624 C2 DE2738624 C2 DE 2738624C2
Authority
DE
Germany
Prior art keywords
frequency
station
circuit
oscillator
generator
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
DE2738624A
Other languages
German (de)
English (en)
Other versions
DE2738624A1 (de
Inventor
René Paris Lechevin
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE2738624A1 publication Critical patent/DE2738624A1/de
Application granted granted Critical
Publication of DE2738624C2 publication Critical patent/DE2738624C2/de
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
    • H04B1/38—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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • 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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
DE2738624A 1976-08-26 1977-08-26 System zur zweiseitigen Übertragung zwischen einer Hauptstation und n Nebenstationen Expired DE2738624C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7625801A FR2363244A1 (fr) 1976-08-26 1976-08-26 Systeme de transmission bilaterale entre une station principale et des stations secondaires

Publications (2)

Publication Number Publication Date
DE2738624A1 DE2738624A1 (de) 1978-03-02
DE2738624C2 true DE2738624C2 (de) 1982-08-19

Family

ID=9177154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2738624A Expired DE2738624C2 (de) 1976-08-26 1977-08-26 System zur zweiseitigen Übertragung zwischen einer Hauptstation und n Nebenstationen

Country Status (8)

Country Link
US (1) US4155039A (enExample)
JP (1) JPS53127213A (enExample)
CA (1) CA1092261A (enExample)
DE (1) DE2738624C2 (enExample)
FR (1) FR2363244A1 (enExample)
GB (1) GB1550731A (enExample)
IL (1) IL52793A0 (enExample)
NL (1) NL7709270A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227990A1 (de) * 1992-08-21 1994-03-03 Klaus Dr Ing Jaeckel Funktelefoniesystem mit dem Charakter einer Orts- oder Nebenstellenvermittlungseinrichtung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325140A (en) * 1978-10-06 1982-04-13 The United States Of America As Represented By The Scretary Of The Air Force Full duplex communication system apparatus using frequency selective limiters
US5177604A (en) * 1986-05-14 1993-01-05 Radio Telcom & Technology, Inc. Interactive television and data transmission system
US4750036A (en) * 1986-05-14 1988-06-07 Radio Telcom & Technology, Inc. Interactive television and data transmission system
JPS63141417A (ja) * 1986-12-03 1988-06-13 Fujitsu Ltd 無線送受信装置のチャンネル増減方式
US5387941A (en) * 1991-06-14 1995-02-07 Wavephore, Inc. Data with video transmitter
US5559559A (en) * 1991-06-14 1996-09-24 Wavephore, Inc. Transmitting a secondary signal with dynamic injection level control
US5831679A (en) * 1991-06-14 1998-11-03 Wavephore, Inc. Network for retrieval and video transmission of information
US5617148A (en) * 1991-06-14 1997-04-01 Wavephore, Inc. Filter by-pass for transmitting an additional signal with a video signal
US5327237A (en) * 1991-06-14 1994-07-05 Wavephore, Inc. Transmitting data with video
US5410360A (en) * 1991-06-14 1995-04-25 Wavephore, Inc. Timing control for injecting a burst and data into a video signal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1077740A (en) * 1963-09-21 1967-08-02 Telefunken Patent Improvements in or relating to a satellite communication system
US3553380A (en) * 1968-10-25 1971-01-05 Itt Multiplexing system
US3546386A (en) * 1968-12-12 1970-12-08 Nasa Satellite communication system and method
US3804988A (en) * 1972-07-14 1974-04-16 Carrier Tel Corp America Inc Carrier system for efficient connection of telephone subscribers to central office
US3925729A (en) * 1974-08-29 1975-12-09 United Technologies Corp Skirt-tuned single oscillator transceiver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227990A1 (de) * 1992-08-21 1994-03-03 Klaus Dr Ing Jaeckel Funktelefoniesystem mit dem Charakter einer Orts- oder Nebenstellenvermittlungseinrichtung
DE4227990C2 (de) * 1992-08-21 2001-10-18 Cell Gmbh Q Funkübertragungsverfahren mittels einer ortsfesten Basisstation und einer Vielzahl voneinander unabhängiger ortsfester Basisstationen

Also Published As

Publication number Publication date
FR2363244B1 (enExample) 1980-10-31
US4155039A (en) 1979-05-15
GB1550731A (en) 1979-08-22
NL7709270A (nl) 1978-02-28
FR2363244A1 (fr) 1978-03-24
JPS53127213A (en) 1978-11-07
IL52793A0 (en) 1977-10-31
CA1092261A (en) 1980-12-23
DE2738624A1 (de) 1978-03-02

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee