FR606311A - Perfectionnements aux systèmes de signalisation - Google Patents

Perfectionnements aux systèmes de signalisation

Info

Publication number
FR606311A
FR606311A FR606311DA FR606311A FR 606311 A FR606311 A FR 606311A FR 606311D A FR606311D A FR 606311DA FR 606311 A FR606311 A FR 606311A
Authority
FR
France
Prior art keywords
signaling systems
signaling
systems
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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
Priority claimed from US752243A external-priority patent/US1696566A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR606311A publication Critical patent/FR606311A/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
    • 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)
FR606311D 1924-11-25 1925-09-04 Perfectionnements aux systèmes de signalisation Expired FR606311A (fr)

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
FR606311A true FR606311A (fr) 1926-06-11

Family

ID=26921788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR606311D Expired FR606311A (fr) 1924-11-25 1925-09-04 Perfectionnements aux systèmes de signalisation

Country Status (6)

Country Link
US (1) US1696590A (fr)
BE (2) BE331740A (fr)
DE (2) DE500530C (fr)
FR (1) FR606311A (fr)
GB (2) GB243683A (fr)
NL (2) NL24644C (fr)

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
GB299316A (en) 1929-06-27
NL24644C (fr)
DE500530C (de) 1930-06-21
BE331740A (fr)
US1696590A (en) 1928-12-25
DE500305C (de) 1930-06-20
BE355192A (fr)
GB243683A (en) 1926-07-22
NL18958C (fr)

Similar Documents

Publication Publication Date Title
FR699589A (fr) Perfectionnements aux systèmes de signalisation électriques
FR747666A (fr) Perfectionnements aux systèmes de signalisation
FR689304A (fr) Perfectionnements aux systèmes électriques de signalisation
FR711510A (fr) Perfectionnements aux systèmes électriques de signalisation
FR714383A (fr) Perfectionnements aux systèmes électriques de signalisation
FR588702A (fr) Perfectionnements aux systèmes électriques de signalisation
FR606311A (fr) Perfectionnements aux systèmes de signalisation
FR603785A (fr) Perfectionnements aux systèmes de signalisation
FR36652E (fr) Perfectionnements aux systèmes de signalisation
FR31534E (fr) Perfectionnements aux systèmes de signalisation
FR35156E (fr) Perfectionnements aux systèmes de signalisation
FR655685A (fr) Perfectionnements aux systèmes électriques de signalisation
FR585788A (fr) Perfectionnements aux systèmes de signalisation secrète
FR593886A (fr) Perfectionnements aux systèmes de signalisation sous-marine
FR606386A (fr) Perfectionnements aux systèmes électriques de signalisation
FR580294A (fr) Perfectionnements aux systèmes électriques de signalisation
FR588932A (fr) Perfectionnements aux systèmes électriques de signalisation
FR700561A (fr) Perfectionnements aux systèmes ondulatoires de signalisation
FR615760A (fr) Perfectionnements apportés aux systèmes électriques de signalisation
FR609016A (fr) Perfectionnements aux systèmes de signalisation à courants porteurs
FR590231A (fr) Perfectionnements aux systèmes de signalisation
FR563306A (fr) Perfectionnements aux systèmes de signalisation
FR596734A (fr) Perfectionnements aux systèmes de signalisation par t. s. f.
FR659709A (fr) Perfectionnements aux systèmes de signalisation
FR637456A (fr) Perfectionnements aux systèmes de signalisation