ES476288A1 - Un metodo para transmitir dos mensajes diferentes sobre una onda portadora por un unico canal de transmision de anchura de banda predeterminada. - Google Patents

Un metodo para transmitir dos mensajes diferentes sobre una onda portadora por un unico canal de transmision de anchura de banda predeterminada.

Info

Publication number
ES476288A1
ES476288A1 ES476288A ES476288A ES476288A1 ES 476288 A1 ES476288 A1 ES 476288A1 ES 476288 A ES476288 A ES 476288A ES 476288 A ES476288 A ES 476288A ES 476288 A1 ES476288 A1 ES 476288A1
Authority
ES
Spain
Prior art keywords
transmitting
carrier wave
transmission channel
single transmission
message
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
ES476288A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES476288A1 publication Critical patent/ES476288A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/14Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)

Abstract

Un método para transmitir dos mensajes diferentes sobre una onda portadora por un único canal de transmisión de anchura de banda predeterminada, el primero de cuyos mensajes es un mensaje de sonido que varía continuamente en volumen y se transmite en una banda base que ocupa prácticamente el canal de transmisión, y el segundo mensaje está dividido en unidades de información, en donde las unidades de información del segundo mensaje se transmiten como una señal múltiplex sobre al menos una señal piloto en una banda piloto que cae dentro del canal de transmisión *** ver imagen 01 *** ver imagen 02 *** ver imagen 03 *** ver imagen 04 *** ver imagen 05 *** ver imagen 06
ES476288A 1977-12-22 1978-12-22 Un metodo para transmitir dos mensajes diferentes sobre una onda portadora por un unico canal de transmision de anchura de banda predeterminada. Expired ES476288A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2757171A DE2757171C3 (de) 1977-12-22 1977-12-22 Verfahren und Anordnung zur Übertragung zweier unterschiedlicher Informationen in einem einzigen Übertragungskanal vorgegebener Bandbreite auf einer Trägerwelle

Publications (1)

Publication Number Publication Date
ES476288A1 true ES476288A1 (es) 1979-04-16

Family

ID=6026808

Family Applications (1)

Application Number Title Priority Date Filing Date
ES476288A Expired ES476288A1 (es) 1977-12-22 1978-12-22 Un metodo para transmitir dos mensajes diferentes sobre una onda portadora por un unico canal de transmision de anchura de banda predeterminada.

Country Status (5)

Country Link
US (1) US4238849A (es)
CH (1) CH638354A5 (es)
DE (1) DE2757171C3 (es)
ES (1) ES476288A1 (es)
GB (1) GB2011226B (es)

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Also Published As

Publication number Publication date
GB2011226B (en) 1982-03-10
DE2757171A1 (de) 1979-06-28
DE2757171C3 (de) 1980-07-10
DE2757171B2 (de) 1979-10-18
CH638354A5 (de) 1983-09-15
GB2011226A (en) 1979-07-04
US4238849A (en) 1980-12-09

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Legal Events

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FD1A Patent lapsed

Effective date: 19990201