ES485428A0 - Dispositivo de reconocimiento para receptor numerico de senales multifrecuencias con modulacion por impulsos codificados y procedimiento correspondiente - Google Patents

Dispositivo de reconocimiento para receptor numerico de senales multifrecuencias con modulacion por impulsos codificados y procedimiento correspondiente

Info

Publication number
ES485428A0
ES485428A0 ES485428A ES485428A ES485428A0 ES 485428 A0 ES485428 A0 ES 485428A0 ES 485428 A ES485428 A ES 485428A ES 485428 A ES485428 A ES 485428A ES 485428 A0 ES485428 A0 ES 485428A0
Authority
ES
Spain
Prior art keywords
recognition device
pulse modulation
corresponding procedure
coded pulse
multifrequency signals
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.)
Granted
Application number
ES485428A
Other languages
English (en)
Other versions
ES8100583A1 (es
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 ES485428A0 publication Critical patent/ES485428A0/es
Publication of ES8100583A1 publication Critical patent/ES8100583A1/es
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
    • H04Q1/457—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)
ES485428A 1978-10-27 1979-10-26 Dispositivo de reconocimiento para receptor numerico de senales multifrecuencias con modulacion por impulsos codificados y procedimiento correspondiente Expired ES8100583A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830574A FR2440126A1 (fr) 1978-10-27 1978-10-27 Dispositif et procede de reconnaissance pour recepteur numerique de signaux multifrequences

Publications (2)

Publication Number Publication Date
ES485428A0 true ES485428A0 (es) 1980-11-01
ES8100583A1 ES8100583A1 (es) 1980-11-01

Family

ID=9214223

Family Applications (1)

Application Number Title Priority Date Filing Date
ES485428A Expired ES8100583A1 (es) 1978-10-27 1979-10-26 Dispositivo de reconocimiento para receptor numerico de senales multifrecuencias con modulacion por impulsos codificados y procedimiento correspondiente

Country Status (9)

Country Link
EP (1) EP0011018A1 (es)
AR (1) AR221376A1 (es)
AU (1) AU5217479A (es)
BR (1) BR7906900A (es)
CA (1) CA1127280A (es)
ES (1) ES8100583A1 (es)
FR (1) FR2440126A1 (es)
GR (1) GR72583B (es)
TR (1) TR20367A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530107A1 (fr) * 1982-07-09 1984-01-13 Thomson Csf Mat Tel Procede de reconnaissance d'informations de grande longueur finie incluses dans un signal incident pouvant etre perturbe et dispositif de mise en oeuvre
DE4032369C1 (es) * 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 (fr) * 1974-12-18 1976-07-16 Labo Cent Telecommunicat Recepteur numerique de signaux multifrequences
IT1072242B (it) * 1976-12-17 1985-04-10 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per il riconoscimento di segnali telefonici in codice multifrequenza convertiti in forma numerica

Also Published As

Publication number Publication date
AR221376A1 (es) 1981-01-30
CA1127280A (fr) 1982-07-06
AU5217479A (en) 1980-05-01
BR7906900A (pt) 1980-07-15
FR2440126B1 (es) 1981-07-24
GR72583B (es) 1983-11-18
TR20367A (tr) 1981-05-04
ES8100583A1 (es) 1980-11-01
EP0011018A1 (fr) 1980-05-14
FR2440126A1 (fr) 1980-05-23

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