FR2534432B1 - Generateur de signalisation multifrequence - Google Patents

Generateur de signalisation multifrequence

Info

Publication number
FR2534432B1
FR2534432B1 FR8216797A FR8216797A FR2534432B1 FR 2534432 B1 FR2534432 B1 FR 2534432B1 FR 8216797 A FR8216797 A FR 8216797A FR 8216797 A FR8216797 A FR 8216797A FR 2534432 B1 FR2534432 B1 FR 2534432B1
Authority
FR
France
Prior art keywords
frequency signaling
signaling generator
generator
frequency
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
FR8216797A
Other languages
English (en)
Other versions
FR2534432A1 (fr
Inventor
Pierre Lagarde
Claude Depriester
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.)
ALE International SAS
Original Assignee
Telic Alcatel SA
La Telephone Industrielle et Commerciale Telic Alcatel SA
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 Telic Alcatel SA, La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical Telic Alcatel SA
Priority to FR8216797A priority Critical patent/FR2534432B1/fr
Publication of FR2534432A1 publication Critical patent/FR2534432A1/fr
Application granted granted Critical
Publication of FR2534432B1 publication Critical patent/FR2534432B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H04M1/505—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies signals generated in digital form
    • 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
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR8216797A 1982-10-07 1982-10-07 Generateur de signalisation multifrequence Expired FR2534432B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8216797A FR2534432B1 (fr) 1982-10-07 1982-10-07 Generateur de signalisation multifrequence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8216797A FR2534432B1 (fr) 1982-10-07 1982-10-07 Generateur de signalisation multifrequence

Publications (2)

Publication Number Publication Date
FR2534432A1 FR2534432A1 (fr) 1984-04-13
FR2534432B1 true FR2534432B1 (fr) 1988-09-23

Family

ID=9278049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8216797A Expired FR2534432B1 (fr) 1982-10-07 1982-10-07 Generateur de signalisation multifrequence

Country Status (1)

Country Link
FR (1) FR2534432B1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753364A1 (de) * 1977-11-30 1979-05-31 Licentia Gmbh Signalempfaenger zur erkennung und auswertung von analogen signalen

Also Published As

Publication number Publication date
FR2534432A1 (fr) 1984-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse