FR492017A - - Google Patents

Info

Publication number
FR492017A
FR492017A FR492017DA FR492017A FR 492017 A FR492017 A FR 492017A FR 492017D A FR492017D A FR 492017DA FR 492017 A FR492017 A FR 492017A
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.)
Active
Application number
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.)
Publication of FR492017A publication Critical patent/FR492017A/fr
Active 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
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
FR492017D 1915-07-07 Active FR492017A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369712XA 1915-07-07 1915-07-07

Publications (1)

Publication Number Publication Date
FR492017A true FR492017A (fr)

Family

ID=21891719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492017D Active FR492017A (fr) 1915-07-07

Country Status (3)

Country Link
DE (1) DE369712C (fr)
FR (1) FR492017A (fr)
GB (1) GB100841A (fr)

Also Published As

Publication number Publication date
GB100841A (en) 1917-01-18
DE369712C (de) 1923-02-22

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