FR555147A - - Google Patents

Info

Publication number
FR555147A
FR555147A FR555147DA FR555147A FR 555147 A FR555147 A FR 555147A FR 555147D A FR555147D A FR 555147DA FR 555147 A FR555147 A FR 555147A
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.)
Expired
Application number
Other languages
French (fr)
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 date
Application granted granted Critical
Publication of FR555147A publication Critical patent/FR555147A/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
    • H04B1/54—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)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
FR555147D 1921-08-25 Expired FR555147A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT185120X 1921-08-25

Publications (1)

Publication Number Publication Date
FR555147A true FR555147A (ko) 1923-06-25

Family

ID=11152972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR555147D Expired FR555147A (ko) 1921-08-25

Country Status (2)

Country Link
FR (1) FR555147A (ko)
GB (1) GB185120A (ko)

Also Published As

Publication number Publication date
GB185120A (en) 1923-11-08

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