FR1162532A - Advanced code system, circuits and relays for transmitting coded signals - Google Patents

Advanced code system, circuits and relays for transmitting coded signals

Info

Publication number
FR1162532A
FR1162532A FR1162532DA FR1162532A FR 1162532 A FR1162532 A FR 1162532A FR 1162532D A FR1162532D A FR 1162532DA FR 1162532 A FR1162532 A FR 1162532A
Authority
FR
France
Prior art keywords
relays
circuits
code system
coded signals
transmitting coded
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)
Inventor
Andre-Jean Henquet
Michel Lefevre
Fernand Silerme
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
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA, Le Materiel Telephonique Thomson CSF filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1162532A publication Critical patent/FR1162532A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1162532D 1955-04-06 1955-04-06 Advanced code system, circuits and relays for transmitting coded signals Expired FR1162532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1162532T 1955-04-06

Publications (1)

Publication Number Publication Date
FR1162532A true FR1162532A (en) 1958-09-15

Family

ID=9653059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1162532D Expired FR1162532A (en) 1955-04-06 1955-04-06 Advanced code system, circuits and relays for transmitting coded signals

Country Status (1)

Country Link
FR (1) FR1162532A (en)

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