FR834664A - Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit <<phono-typie>>, et modes d'application du dit système - Google Patents

Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit <<phono-typie>>, et modes d'application du dit système

Info

Publication number
FR834664A
FR834664A FR834664DA FR834664A FR 834664 A FR834664 A FR 834664A FR 834664D A FR834664D A FR 834664DA FR 834664 A FR834664 A FR 834664A
Authority
FR
France
Prior art keywords
typie
phono
telephony
modes
independent
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)
Inventor
William Loth
Robert Dreyfus
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.)
TRANSMISSIONS LOTH HAVAS
Original Assignee
TRANSMISSIONS LOTH HAVAS
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 TRANSMISSIONS LOTH HAVAS filed Critical TRANSMISSIONS LOTH HAVAS
Application granted granted Critical
Publication of FR834664A publication Critical patent/FR834664A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR834664D 1937-08-06 1937-08-06 Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit <<phono-typie>>, et modes d'application du dit système Expired FR834664A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR834664T 1937-08-06

Publications (1)

Publication Number Publication Date
FR834664A true FR834664A (fr) 1938-11-29

Family

ID=32922455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834664D Expired FR834664A (fr) 1937-08-06 1937-08-06 Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit <<phono-typie>>, et modes d'application du dit système

Country Status (1)

Country Link
FR (1) FR834664A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330687A (en) 1979-03-14 1982-05-18 Teltone Corporation Audio and full duplex digital data carrier system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330687A (en) 1979-03-14 1982-05-18 Teltone Corporation Audio and full duplex digital data carrier system

Similar Documents

Publication Publication Date Title
FR842933A (fr) Système d&#39;ondes guidées
FR853355A (fr) Système de téléphonie multiple
FR886372A (fr) Système d&#39;électrodes à conductibilité asymétrique
FR839636A (fr) Système de transmission
FR834664A (fr) Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit &lt;&lt;phono-typie&gt;&gt;, et modes d&#39;application du dit système
FR939215A (fr) Systèmes de concentration d&#39;électrons
FR50662E (fr) Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit &lt;&lt;phonotypie&gt;&gt; et modes d&#39;application dudit système
FR50102E (fr) Système de télégraphie et téléphonie simultanées indépendantes entre elles, dit &lt;&lt;phono-typie&gt;&gt; et modes d&#39;application dudit système
SU40007A1 (ru) Диафрагма
CH206314A (de) Trägerwellentelephonieanlage.
FR841254A (fr) Système d&#39;utilisation de la force des courants de marée et des vagues
FR858980A (fr) Système d&#39;isolateur rigide
CH202671A (de) Telegraphenanlage.
FR972794A (fr) Robinet d&#39;arrêt
FR794415A (fr) Appareils d&#39;éclairage
FR837919A (fr) Système de transmission
GR9956B (el) Τηλεγραφια δι&#39; εναλλασσομενων ρευματων μετα διπλασιασμου της συχνοτητος.
FR754860A (fr) Système d&#39;encadrement
FR46993E (fr) Appareils d&#39;éclairage
FR630269A (fr) Perfectionnements aux appareils d&#39;éclairage, notamment à ceux pour la publicité
CH229088A (de) Klammer zur Herstellung von Dauerwellen.
DK58147C (da) Flerradet Signal- og Sporskifteapparat.
FR831121A (fr) Perfectionnements apportés aux dispositifs d&#39;éclairage, notamment à ceux des véhicules, aéronefs, etc.
FR814858A (fr) En-tête réglable pour registres et similaires
FR865285A (fr) Système de jarretelle