BE355192A - - Google Patents

Info

Publication number
BE355192A
BE355192A BE355192DA BE355192A BE 355192 A BE355192 A BE 355192A BE 355192D A BE355192D A BE 355192DA BE 355192 A BE355192 A BE 355192A
Authority
BE
Belgium
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 BE355192A publication Critical patent/BE355192A/xx
Priority claimed from US752243A external-priority patent/US1696566A/en

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Amplifiers (AREA)
BE355192D 1924-11-25 BE355192A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US752243A US1696566A (en) 1924-11-25 1924-11-25 High-frequency duplex signaling system
US227821A US1696590A (en) 1924-11-25 1927-10-21 Signaling system

Publications (1)

Publication Number Publication Date
BE355192A true BE355192A (ja)

Family

ID=26921788

Family Applications (2)

Application Number Title Priority Date Filing Date
BE355192D BE355192A (ja) 1924-11-25
BE331740D BE331740A (ja) 1924-11-25

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE331740D BE331740A (ja) 1924-11-25

Country Status (6)

Country Link
US (1) US1696590A (ja)
BE (2) BE331740A (ja)
DE (2) DE500530C (ja)
FR (1) FR606311A (ja)
GB (2) GB243683A (ja)
NL (2) NL18958C (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755785C (de) * 1933-03-16 1952-03-31 Marconi Wireless Telegraph Co Anordnung zur automatischen Einschaltung eines Senders mit Hilfe von gleichgerichteten Modulationsschwingungen

Also Published As

Publication number Publication date
FR606311A (fr) 1926-06-11
GB299316A (en) 1929-06-27
DE500305C (de) 1930-06-20
GB243683A (en) 1926-07-22
DE500530C (de) 1930-06-21
NL18958C (ja)
US1696590A (en) 1928-12-25
NL24644C (ja)
BE331740A (ja)

Similar Documents

Publication Publication Date Title
AT105645B (ja)
AT104629B (ja)
AT107465B (ja)
BE227320A (ja)
BE228907A (ja)
BE23076A (ja)
BE246261A (ja)
BE324517A (ja)
BE324881A (ja)
BE326047A (ja)
BE328056A (ja)
BE329095A (ja)
BE331586A (ja)
BE331589A (ja)
BE331740A (ja)
BE331741A (ja)
BE331822A (ja)
BE332829A (ja)
BE333034A (ja)
BE333809A (ja)
BE333834A (ja)
BE333871A (ja)
BE334493A (ja)
BE334865A (ja)
BE335077A (ja)