GB299855A - - Google Patents

Info

Publication number
GB299855A
GB299855A GB31906/28A GB3190628A GB299855A GB 299855 A GB299855 A GB 299855A GB 31906/28 A GB31906/28 A GB 31906/28A GB 3190628 A GB3190628 A GB 3190628A GB 299855 A GB299855 A GB 299855A
Authority
GB
United Kingdom
Prior art keywords
transmitter
frequency
amplifier
receiver
line
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
GB31906/28A
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 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 Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Publication of GB299855A publication Critical patent/GB299855A/en
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
    • H04B1/44—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)
  • Interface Circuits In Exchanges (AREA)
GB31906/28A 1927-11-02 1928-11-02 Expired GB299855A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE299855T 1927-11-02

Publications (1)

Publication Number Publication Date
GB299855A true GB299855A (de) 1930-02-03

Family

ID=31894238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31906/28A Expired GB299855A (de) 1927-11-02 1928-11-02

Country Status (2)

Country Link
FR (1) FR663252A (de)
GB (1) GB299855A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755847C (de) * 1932-06-27 1953-08-03 Marconi Wireless Telegraph Co Schaltungsanordnung zum drahtlosen Gegensprechverkehr

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755847C (de) * 1932-06-27 1953-08-03 Marconi Wireless Telegraph Co Schaltungsanordnung zum drahtlosen Gegensprechverkehr

Also Published As

Publication number Publication date
FR663252A (fr) 1929-08-19

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