FR697957A - Electrical signaling system - Google Patents

Electrical signaling system

Info

Publication number
FR697957A
FR697957A FR697957DA FR697957A FR 697957 A FR697957 A FR 697957A FR 697957D A FR697957D A FR 697957DA FR 697957 A FR697957 A FR 697957A
Authority
FR
France
Prior art keywords
signaling system
electrical signaling
electrical
signaling
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 FR697957A publication Critical patent/FR697957A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR697957D 1929-02-05 1929-09-30 Electrical signaling system Expired FR697957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US332687XA 1929-02-05 1929-02-05

Publications (1)

Publication Number Publication Date
FR697957A true FR697957A (en) 1931-01-26

Family

ID=21869443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697957D Expired FR697957A (en) 1929-02-05 1929-09-30 Electrical signaling system

Country Status (2)

Country Link
FR (1) FR697957A (en)
GB (1) GB332687A (en)

Also Published As

Publication number Publication date
GB332687A (en) 1930-07-31

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