FR1336131A - Improvements to signaling systems - Google Patents

Improvements to signaling systems

Info

Publication number
FR1336131A
FR1336131A FR899218A FR899218A FR1336131A FR 1336131 A FR1336131 A FR 1336131A FR 899218 A FR899218 A FR 899218A FR 899218 A FR899218 A FR 899218A FR 1336131 A FR1336131 A FR 1336131A
Authority
FR
France
Prior art keywords
signaling systems
signaling
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
FR899218A
Other languages
French (fr)
Inventor
Anatole Girinsky
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
Priority to FR899218A priority Critical patent/FR1336131A/en
Priority to DEJ23781A priority patent/DE1179606B/en
Priority to CH677163A priority patent/CH410070A/en
Application granted granted Critical
Publication of FR1336131A publication Critical patent/FR1336131A/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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
FR899218A 1962-05-30 1962-05-30 Improvements to signaling systems Expired FR1336131A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR899218A FR1336131A (en) 1962-05-30 1962-05-30 Improvements to signaling systems
DEJ23781A DE1179606B (en) 1962-05-30 1963-05-29 Multi-frequency code signal method on echo-prone lines
CH677163A CH410070A (en) 1962-05-30 1963-05-30 Multi-frequency signal transceiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899218A FR1336131A (en) 1962-05-30 1962-05-30 Improvements to signaling systems

Publications (1)

Publication Number Publication Date
FR1336131A true FR1336131A (en) 1963-08-30

Family

ID=8780058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899218A Expired FR1336131A (en) 1962-05-30 1962-05-30 Improvements to signaling systems

Country Status (3)

Country Link
CH (1) CH410070A (en)
DE (1) DE1179606B (en)
FR (1) FR1336131A (en)

Also Published As

Publication number Publication date
DE1179606B (en) 1964-10-15
CH410070A (en) 1966-03-31

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