FR700864A - Improvements in electric wave signaling systems - Google Patents

Improvements in electric wave signaling systems

Info

Publication number
FR700864A
FR700864A FR700864DA FR700864A FR 700864 A FR700864 A FR 700864A FR 700864D A FR700864D A FR 700864DA FR 700864 A FR700864 A FR 700864A
Authority
FR
France
Prior art keywords
electric wave
signaling systems
wave signaling
systems
electric
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
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR700864A publication Critical patent/FR700864A/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)
  • Mobile Radio Communication Systems (AREA)
FR700864D 1929-10-16 1929-11-09 Improvements in electric wave signaling systems Expired FR700864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3140329A GB341480A (en) 1929-10-16 1929-10-16 Improvements in or relating to wave signalling systems

Publications (1)

Publication Number Publication Date
FR700864A true FR700864A (en) 1931-03-07

Family

ID=10322563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700864D Expired FR700864A (en) 1929-10-16 1929-11-09 Improvements in electric wave signaling systems

Country Status (2)

Country Link
FR (1) FR700864A (en)
GB (1) GB341480A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481546A1 (en) * 1980-04-24 1981-10-30 Gen Eng Inc CONTROL SYSTEM FOR INTERCHANGING TRANSMISSION AND RECEPTION STATES IN A TWO-CHANNEL COMMUNICATION DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481546A1 (en) * 1980-04-24 1981-10-30 Gen Eng Inc CONTROL SYSTEM FOR INTERCHANGING TRANSMISSION AND RECEPTION STATES IN A TWO-CHANNEL COMMUNICATION DEVICE

Also Published As

Publication number Publication date
GB341480A (en) 1931-01-16

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