ES8404593A1 - Aparato de television perfeccionado con varias vias de sonido. - Google Patents

Aparato de television perfeccionado con varias vias de sonido.

Info

Publication number
ES8404593A1
ES8404593A1 ES519651A ES519651A ES8404593A1 ES 8404593 A1 ES8404593 A1 ES 8404593A1 ES 519651 A ES519651 A ES 519651A ES 519651 A ES519651 A ES 519651A ES 8404593 A1 ES8404593 A1 ES 8404593A1
Authority
ES
Spain
Prior art keywords
transmission method
transmitter
receiver
television transmission
sound channels
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
ES519651A
Other languages
English (en)
Other versions
ES519651A0 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES8404593A1 publication Critical patent/ES8404593A1/es
Publication of ES519651A0 publication Critical patent/ES519651A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Television Systems (AREA)
  • Television Receiver Circuits (AREA)

Abstract

APARATO DE TELEVISION QUE ASOCIA LA TRANSMISION DE IMAGENES CON VARIAS VIAS DE SONIDO Y EN EL QUE SE UTILIZA, PARA TRANSMITIR UNA PRIMERA VIA DE SONIDO, UNA MODULACION DE LA AMPLITUD DE UNA PORTADORA.CONSTA DE UNA SUB-PORTADORA QUE MODULA POR DESPLAZAMIENTO DE FRECUENCIA A UNA PORTADORA Y SE SUPERPONE A ESTA MODULACION POR DESPLAZAMIENTO DE FRECUENCIA, UNA MODULACION DE AMPLITUD QUE MODULA LA MISMA PORTADORA; DE UNOS PRIMEROS MEDIOS PARA DESMODULAR UNA ONDA INCIDENTE MODULADA EN AMPLITUD POR UNA VIA DE SONIDO; Y DE SEGUNDOS MEDIOS QUE LLEVAN UN PRIMER DESMODULADOR DE FRECUENCIAO DE FASE Y OTRO DESMODULADOR PARA DESMODULAR LA SEÑAL PRODUCIDA POR EL PRIMER DESMODULADOR DE FRECUENCIA.
ES519651A 1982-02-11 1983-02-09 Aparato de television perfeccionado con varias vias de sonido. Granted ES519651A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8202264A FR2521374B1 (fr) 1982-02-11 1982-02-11 Procede d'emission de television a plusieurs voies de son, et televiseur a plusieurs voies de son

Publications (2)

Publication Number Publication Date
ES8404593A1 true ES8404593A1 (es) 1984-04-16
ES519651A0 ES519651A0 (es) 1984-04-16

Family

ID=9270897

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519651A Granted ES519651A0 (es) 1982-02-11 1983-02-09 Aparato de television perfeccionado con varias vias de sonido.

Country Status (5)

Country Link
EP (1) EP0086525B1 (es)
DE (1) DE3365374D1 (es)
ES (1) ES519651A0 (es)
FR (1) FR2521374B1 (es)
MC (1) MC1508A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816781A (en) * 1987-06-22 1989-03-28 General Instrument Corporation FM modulator
IT8921239A0 (it) * 1989-07-19 1989-07-19 Elettronica Ind Spa Procedimento di radiotrasmissione e di rivelazione di un segnale video con associati almeno due segnali audio, per la modulazione e l'utilizzazione separata di almeno uno di tali segnali audio, e dispositivo demodulatore relativo.
FR2735629A1 (fr) * 1995-06-14 1996-12-20 Philips Electronics Nv Modulateur d'amplitude

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR894994A (fr) * 1943-05-14 1945-01-11 Radioelectrique Soc Ind Système de transmission à double modulation
US2578714A (en) * 1947-09-18 1951-12-18 Faximile Inc Sound and facsimile multiplex system
FR1107198A (fr) * 1954-06-15 1955-12-28 Electronique & Physique Système de double transmission
US2878319A (en) * 1957-06-25 1959-03-17 Nathaniel L Leek Multiplex transmission system

Also Published As

Publication number Publication date
MC1508A1 (fr) 1983-11-17
ES519651A0 (es) 1984-04-16
EP0086525B1 (fr) 1986-08-20
FR2521374B1 (fr) 1986-03-28
FR2521374A1 (fr) 1983-08-12
DE3365374D1 (en) 1986-09-25
EP0086525A1 (fr) 1983-08-24

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