FR1274039A - Installation for signal transmission - Google Patents

Installation for signal transmission

Info

Publication number
FR1274039A
FR1274039A FR844397A FR844397A FR1274039A FR 1274039 A FR1274039 A FR 1274039A FR 844397 A FR844397 A FR 844397A FR 844397 A FR844397 A FR 844397A FR 1274039 A FR1274039 A FR 1274039A
Authority
FR
France
Prior art keywords
installation
signal transmission
transmission
signal
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
FR844397A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to FR844397A priority Critical patent/FR1274039A/en
Application granted granted Critical
Publication of FR1274039A publication Critical patent/FR1274039A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR844397A 1959-11-19 1960-11-18 Installation for signal transmission Expired FR1274039A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR844397A FR1274039A (en) 1959-11-19 1960-11-18 Installation for signal transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1084659 1959-11-19
FR844397A FR1274039A (en) 1959-11-19 1960-11-18 Installation for signal transmission

Publications (1)

Publication Number Publication Date
FR1274039A true FR1274039A (en) 1961-10-20

Family

ID=26188218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844397A Expired FR1274039A (en) 1959-11-19 1960-11-18 Installation for signal transmission

Country Status (1)

Country Link
FR (1) FR1274039A (en)

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