ES8100583A1 - 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 correspondienteInfo
- Publication number
- ES8100583A1 ES8100583A1 ES485428A ES485428A ES8100583A1 ES 8100583 A1 ES8100583 A1 ES 8100583A1 ES 485428 A ES485428 A ES 485428A ES 485428 A ES485428 A ES 485428A ES 8100583 A1 ES8100583 A1 ES 8100583A1
- Authority
- ES
- Spain
- Prior art keywords
- frequency signal
- signal receiver
- recognition apparatus
- digital multi
- 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.)
- Expired
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)
Abstract
DISPOSITIVO DE RECONOCIMIENTO PARA RECEPTOR NUMERICO DE SEÑALES MULTIFRECUENCIAS CON MODULACION POR IMPULSOS CODIFICADOS. CONSISTE EN UNA FILTRACION NUMERICA QUE TRATA INDEPENDIENTEMENTE UNA DE OTRA SECUENCIA DE ENTRADA SUCESIVAS DE N MUESTRAS NUMERICAS TOMADAS EN UNA MISMA VIA DE LAS SEÑALES MULTIFRECUENCIAS Y PROPORCIONA AL DISPOSITIVO DE RECONOCIMIENTO, EN RESPUESTA A UNA SECUENCIA DE ENTRADA DADA, Q SECUENCIAS DE SALIDA SIMULTANEA DE M MUESTRAS NUMERICAS.
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 ES485428A0 (es) | 1980-11-01 |
ES8100583A1 true 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)
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)
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 |
-
1978
- 1978-10-27 FR FR7830574A patent/FR2440126A1/fr active Granted
-
1979
- 1979-10-22 EP EP79400778A patent/EP0011018A1/fr not_active Withdrawn
- 1979-10-23 TR TR2036779A patent/TR20367A/xx unknown
- 1979-10-24 AR AR27860879A patent/AR221376A1/es active
- 1979-10-24 BR BR7906900A patent/BR7906900A/pt unknown
- 1979-10-25 AU AU52174/79A patent/AU5217479A/en not_active Abandoned
- 1979-10-26 GR GR60342A patent/GR72583B/el unknown
- 1979-10-26 CA CA338,580A patent/CA1127280A/fr not_active Expired
- 1979-10-26 ES ES485428A patent/ES8100583A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2440126A1 (fr) | 1980-05-23 |
ES485428A0 (es) | 1980-11-01 |
EP0011018A1 (fr) | 1980-05-14 |
BR7906900A (pt) | 1980-07-15 |
AU5217479A (en) | 1980-05-01 |
AR221376A1 (es) | 1981-01-30 |
GR72583B (es) | 1983-11-18 |
CA1127280A (fr) | 1982-07-06 |
FR2440126B1 (es) | 1981-07-24 |
TR20367A (tr) | 1981-05-04 |
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