FR615211A - Improvements to electrical wave signaling systems - Google Patents

Improvements to electrical wave signaling systems

Info

Publication number
FR615211A
FR615211A FR615211DA FR615211A FR 615211 A FR615211 A FR 615211A FR 615211D A FR615211D A FR 615211DA FR 615211 A FR615211 A FR 615211A
Authority
FR
France
Prior art keywords
signaling systems
electrical wave
wave signaling
electrical
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
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 FR615211A publication Critical patent/FR615211A/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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—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 for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR615211D 1926-04-27 1926-04-27 Improvements to electrical wave signaling systems Expired FR615211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR615211T 1926-04-27

Publications (1)

Publication Number Publication Date
FR615211A true FR615211A (en) 1926-12-31

Family

ID=8980743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR615211D Expired FR615211A (en) 1926-04-27 1926-04-27 Improvements to electrical wave signaling systems

Country Status (1)

Country Link
FR (1) FR615211A (en)

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