AU5217479A - Digital receiver for multifrequency signals - Google Patents

Digital receiver for multifrequency signals

Info

Publication number
AU5217479A
AU5217479A AU52174/79A AU5217479A AU5217479A AU 5217479 A AU5217479 A AU 5217479A AU 52174/79 A AU52174/79 A AU 52174/79A AU 5217479 A AU5217479 A AU 5217479A AU 5217479 A AU5217479 A AU 5217479A
Authority
AU
Australia
Prior art keywords
digital receiver
multifrequency signals
multifrequency
signals
receiver
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.)
Abandoned
Application number
AU52174/79A
Inventor
Gilbert Camille Guyot
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
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Publication of AU5217479A publication Critical patent/AU5217479A/en
Abandoned 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
    • H04Q1/457—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
    • H04Q1/4575—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 which are transmitted in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU52174/79A 1978-10-27 1979-10-25 Digital receiver for multifrequency signals Abandoned AU5217479A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7830574A FR2440126A1 (en) 1978-10-27 1978-10-27 RECOGNITION DEVICE AND METHOD FOR A DIGITAL MULTI-FREQUENCY SIGNAL RECEIVER
FR7830574 1978-10-27

Publications (1)

Publication Number Publication Date
AU5217479A true AU5217479A (en) 1980-05-01

Family

ID=9214223

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52174/79A Abandoned AU5217479A (en) 1978-10-27 1979-10-25 Digital receiver for multifrequency signals

Country Status (9)

Country Link
EP (1) EP0011018A1 (en)
AR (1) AR221376A1 (en)
AU (1) AU5217479A (en)
BR (1) BR7906900A (en)
CA (1) CA1127280A (en)
ES (1) ES485428A0 (en)
FR (1) FR2440126A1 (en)
GR (1) GR72583B (en)
TR (1) TR20367A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530107A1 (en) * 1982-07-09 1984-01-13 Thomson Csf Mat Tel Method for recognising information of great finite length contained in a possibly disturbed incident signal and device for implementation
DE4032369C1 (en) * 1990-10-12 1992-01-30 Telenorma Gmbh, 6000 Frankfurt, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295665A1 (en) * 1974-12-18 1976-07-16 Labo Cent Telecommunicat MULTI-FREQUENCY DIGITAL SIGNAL RECEIVER
IT1072242B (en) * 1976-12-17 1985-04-10 Cselt Centro Studi Lab Telecom PROCEDURE AND DEVICE FOR THE RECOGNITION OF TELEPHONE SIGNALS IN MULTIFREQUENCY CODE CONVERTED IN NUMERICAL FORM

Also Published As

Publication number Publication date
EP0011018A1 (en) 1980-05-14
CA1127280A (en) 1982-07-06
FR2440126A1 (en) 1980-05-23
GR72583B (en) 1983-11-18
BR7906900A (en) 1980-07-15
AR221376A1 (en) 1981-01-30
TR20367A (en) 1981-05-04
ES8100583A1 (en) 1980-11-01
FR2440126B1 (en) 1981-07-24
ES485428A0 (en) 1980-11-01

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