FR896363A - Dispositif d'intercommunication duplex sur ondes ultra-courtes - Google Patents

Dispositif d'intercommunication duplex sur ondes ultra-courtes

Info

Publication number
FR896363A
FR896363A FR896363DA FR896363A FR 896363 A FR896363 A FR 896363A FR 896363D A FR896363D A FR 896363DA FR 896363 A FR896363 A FR 896363A
Authority
FR
France
Prior art keywords
ultra
intercom device
duplex intercom
shortwave duplex
shortwave
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
Other languages
English (en)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR896363A publication Critical patent/FR896363A/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
    • H04B1/38—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR896363D 1939-07-19 1943-07-13 Dispositif d'intercommunication duplex sur ondes ultra-courtes Expired FR896363A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE896363X 1939-07-19

Publications (1)

Publication Number Publication Date
FR896363A true FR896363A (fr) 1945-02-20

Family

ID=6848174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896363D Expired FR896363A (fr) 1939-07-19 1943-07-13 Dispositif d'intercommunication duplex sur ondes ultra-courtes

Country Status (1)

Country Link
FR (1) FR896363A (fr)

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