FR863111A - Systèmes télégraphiques et analogues - Google Patents

Systèmes télégraphiques et analogues

Info

Publication number
FR863111A
FR863111A FR863111DA FR863111A FR 863111 A FR863111 A FR 863111A FR 863111D A FR863111D A FR 863111DA FR 863111 A FR863111 A FR 863111A
Authority
FR
France
Prior art keywords
telegraph
analog systems
analog
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.)
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 FR863111A publication Critical patent/FR863111A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Selective Calling Equipment (AREA)
FR863111D 1939-01-28 1940-01-27 Systèmes télégraphiques et analogues Expired FR863111A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2998/39A GB524391A (en) 1939-01-28 1939-01-28 Improvements in or relating to telegraph systems

Publications (1)

Publication Number Publication Date
FR863111A true FR863111A (fr) 1941-03-24

Family

ID=9750008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863111D Expired FR863111A (fr) 1939-01-28 1940-01-27 Systèmes télégraphiques et analogues

Country Status (2)

Country Link
FR (1) FR863111A (fr)
GB (1) GB524391A (fr)

Also Published As

Publication number Publication date
GB524391A (en) 1940-08-06

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