AR220825A1 - Receptor de tono para aparatos de telecomunicacion - Google Patents

Receptor de tono para aparatos de telecomunicacion

Info

Publication number
AR220825A1
AR220825A1 AR280368A AR28036880A AR220825A1 AR 220825 A1 AR220825 A1 AR 220825A1 AR 280368 A AR280368 A AR 280368A AR 28036880 A AR28036880 A AR 28036880A AR 220825 A1 AR220825 A1 AR 220825A1
Authority
AR
Argentina
Prior art keywords
telecommunication devices
tone receiver
tone
receiver
telecommunication
Prior art date
Application number
AR280368A
Other languages
English (en)
Spanish (es)
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Application granted granted Critical
Publication of AR220825A1 publication Critical patent/AR220825A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/022—Selective call receivers
    • H04W88/025—Selective call decoders
    • H04W88/027—Selective call decoders using frequency address codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Telephone Function (AREA)
AR280368A 1979-03-20 1980-03-19 Receptor de tono para aparatos de telecomunicacion AR220825A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21129/79A IT1202905B (it) 1979-03-20 1979-03-20 Ricevitore di tono per sistemi di telecomunicazioni

Publications (1)

Publication Number Publication Date
AR220825A1 true AR220825A1 (es) 1980-11-28

Family

ID=11177164

Family Applications (1)

Application Number Title Priority Date Filing Date
AR280368A AR220825A1 (es) 1979-03-20 1980-03-19 Receptor de tono para aparatos de telecomunicacion

Country Status (9)

Country Link
US (1) US4325030A (de)
AR (1) AR220825A1 (de)
AU (1) AU5659680A (de)
BR (1) BR8001511A (de)
DE (1) DE3010785A1 (de)
GB (1) GB2052214B (de)
HU (1) HU179829B (de)
IT (1) IT1202905B (de)
YU (1) YU77080A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656431A (en) * 1986-03-06 1987-04-07 Motorola, Inc. Digital frequency discriminator
DE4038291A1 (de) * 1990-11-29 1992-06-04 Funkwerk Koepenick Gmbh I A Anordnung fuer die auswertung von selektivrufen
US5392347A (en) * 1992-02-19 1995-02-21 Nec Corporation Ringing tone signal detecting circuit
GB9515842D0 (en) * 1995-08-02 1995-10-04 British Tech Group Int Frequency detection
DE19646337A1 (de) * 1996-11-09 1998-05-14 Schlafhorst & Co W Spulenwechsel- und Transporteinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731188A (en) * 1971-04-19 1973-05-01 Tracor Signal analysis of multiplicatively related frequency components in a complex signal
US3812432A (en) * 1973-01-05 1974-05-21 Bell Telephone Labor Inc Tone detector
US3942126A (en) * 1973-11-18 1976-03-02 Victor Company Of Japan, Limited Band-pass filter for frequency modulated signal transmission

Also Published As

Publication number Publication date
BR8001511A (pt) 1980-11-11
GB2052214A (en) 1981-01-21
US4325030A (en) 1982-04-13
AU5659680A (en) 1980-09-25
HU179829B (en) 1982-12-28
GB2052214B (en) 1983-03-16
YU77080A (en) 1982-10-31
IT7921129A0 (it) 1979-03-20
DE3010785A1 (de) 1980-10-09
IT1202905B (it) 1989-02-15

Similar Documents

Publication Publication Date Title
BR7807461A (pt) Dispositivo de autenticacao para linha de comunicacoes
BR8005613A (pt) Receptor de radio
FR2344198A1 (fr) Reseau de telecommunications
BR8008932A (pt) Receptor de tons de frequencia multipla programavel
FR2485818B1 (fr) Antenne en reseau
MX144953A (es) Mejoras en adaptador electroacustico para telefono
IT1131809B (it) Generatore di tono
BR7708306A (pt) Equipamento de linha de assinante para central telefonica
AR220825A1 (es) Receptor de tono para aparatos de telecomunicacion
ES496631A0 (es) Un receptor de television perfeccionado
ES498704A0 (es) Perfeccionamientos en generadores numericos de tono para aparatos telefonicos
IT1099713B (it) Ricevitore secondario per apparecchi telefonici
IT1128368B (it) Ripartitore d infrastruttura particolarmente per telecomunicazioni
BR7800527A (pt) Fone para aparelhos de telefone
BR7708728A (pt) Circuito receptor de chamada acustica,especialmente para aparelhos telefonicos
MX149006A (es) Mejoras en ajuste de un bloque de conexion en una cubierta para sistema de telecomunicaciones
ES501526A0 (es) Conjunto de teclas de apriete para aparatos receptores de latecnica de telecomunicacion
NO151805C (no) Digital-fjernmeldingssystem
BE874400A (fr) Systeme pour telecommunications de type radiomobile
IT1171171B (it) Ricevitore supplementare per apparecchi telefonici
AT365467B (de) Bindungseinstellgeraet
BR7601064A (pt) Terminal receptor de apostas
MX143341A (es) Mejoras en autoconmutador para redes de conexion de multiplexaje
BE859167R (fr) Reseau de connexion multiplex
BR6200656U (pt) Bloquio de discagem para telefone