FR1366483A - Méthode de signalisation à fréquences multiples - Google Patents

Méthode de signalisation à fréquences multiples

Info

Publication number
FR1366483A
FR1366483A FR945054A FR945054A FR1366483A FR 1366483 A FR1366483 A FR 1366483A FR 945054 A FR945054 A FR 945054A FR 945054 A FR945054 A FR 945054A FR 1366483 A FR1366483 A FR 1366483A
Authority
FR
France
Prior art keywords
multiple frequency
signaling method
frequency signaling
signaling
frequency
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
FR945054A
Other languages
English (en)
French (fr)
Inventor
Theodor Burian
Heinz Plitschka
Georg Vogel
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority to NL297012D priority Critical patent/NL297012A/xx
Priority claimed from DEST19626A external-priority patent/DE1166288B/de
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR945054A priority patent/FR1366483A/fr
Priority claimed from DEST21796A external-priority patent/DE1211286B/de
Application granted granted Critical
Publication of FR1366483A publication Critical patent/FR1366483A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • 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)
  • Signal Processing (AREA)
FR945054A 1962-08-23 1963-08-20 Méthode de signalisation à fréquences multiples Expired FR1366483A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL297012D NL297012A (enrdf_load_stackoverflow) 1962-08-23
FR945054A FR1366483A (fr) 1962-08-23 1963-08-20 Méthode de signalisation à fréquences multiples

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEST19626A DE1166288B (de) 1962-08-23 1962-08-23 Mehrfrequenz-Code-Signalverfahren und Schaltungsanordnung zu seiner Durchfuehrung
FR945054A FR1366483A (fr) 1962-08-23 1963-08-20 Méthode de signalisation à fréquences multiples
DEST21796A DE1211286B (de) 1964-03-06 1964-03-06 Mehrfrequenz-Code-Zwangslaufsignalverfahren mit Durchsignalisierung fuer Fernmelde-, insbesondere Fernsprechanlagen

Publications (1)

Publication Number Publication Date
FR1366483A true FR1366483A (fr) 1964-07-10

Family

ID=27212463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945054A Expired FR1366483A (fr) 1962-08-23 1963-08-20 Méthode de signalisation à fréquences multiples

Country Status (2)

Country Link
FR (1) FR1366483A (enrdf_load_stackoverflow)
NL (1) NL297012A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL297012A (enrdf_load_stackoverflow)

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