IT1244987B - Ricevitore perfezionato di trasmissioni teletext - Google Patents

Ricevitore perfezionato di trasmissioni teletext

Info

Publication number
IT1244987B
IT1244987B ITTO910005A ITTO910005A IT1244987B IT 1244987 B IT1244987 B IT 1244987B IT TO910005 A ITTO910005 A IT TO910005A IT TO910005 A ITTO910005 A IT TO910005A IT 1244987 B IT1244987 B IT 1244987B
Authority
IT
Italy
Prior art keywords
teletext
receiver
page
perfected
television signal
Prior art date
Application number
ITTO910005A
Other languages
English (en)
Inventor
Roberto Dini
Original Assignee
Sisvel Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11408755&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1244987(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sisvel Spa filed Critical Sisvel Spa
Priority to ITTO910005A priority Critical patent/IT1244987B/it
Publication of ITTO910005A0 publication Critical patent/ITTO910005A0/it
Priority to EP92100124A priority patent/EP0494624B1/en
Priority to ES92100124T priority patent/ES2130140T3/es
Priority to DE69228714T priority patent/DE69228714T2/de
Publication of ITTO910005A1 publication Critical patent/ITTO910005A1/it
Application granted granted Critical
Publication of IT1244987B publication Critical patent/IT1244987B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

La presente invenzione si riferisce ad un ricevitore di trasmissioni teletext, sotto forma di una pluralità di pagine, inserite nel segnale televisivo, e suddivise in gruppi, per ognuno dei quali è disponibile una pagina indice, comprendente mezzi per ricevere e demodulare un segnale televisivo, nonché mezzi decodificatori per ricavare anche l'associato segnale teletext e mezzi di selezione per selezionare una pagina prescelta fra quelle trasmesse, e mezzi di memoria per memorizzare almeno una pagina teletext prescelta; la caratteristica principale dell'invenzione consiste nel fatto che il ricevitore comprende mezzi addizionali che permettono la selezione diretta della pagina indice di gruppo al quale appartiene la pagina prescelta.
ITTO910005A 1991-01-07 1991-01-07 Ricevitore perfezionato di trasmissioni teletext IT1244987B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO910005A IT1244987B (it) 1991-01-07 1991-01-07 Ricevitore perfezionato di trasmissioni teletext
EP92100124A EP0494624B1 (en) 1991-01-07 1992-01-03 Method and receiver for teletext transmission
ES92100124T ES2130140T3 (es) 1991-01-07 1992-01-03 Metodo y receptor de transmisiones de teletexto.
DE69228714T DE69228714T2 (de) 1991-01-07 1992-01-03 Verfahren und Empfänger für Teletextübertragungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910005A IT1244987B (it) 1991-01-07 1991-01-07 Ricevitore perfezionato di trasmissioni teletext

Publications (3)

Publication Number Publication Date
ITTO910005A0 ITTO910005A0 (it) 1991-01-07
ITTO910005A1 ITTO910005A1 (it) 1992-07-07
IT1244987B true IT1244987B (it) 1994-09-13

Family

ID=11408755

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910005A IT1244987B (it) 1991-01-07 1991-01-07 Ricevitore perfezionato di trasmissioni teletext

Country Status (4)

Country Link
EP (1) EP0494624B1 (it)
DE (1) DE69228714T2 (it)
ES (1) ES2130140T3 (it)
IT (1) IT1244987B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1261681B (it) * 1993-05-25 1996-05-29 Edico Srl Decodificatore teletext di basso costo migliorato con tasti di memorizzazione e chiamata pagina.
IT1261683B (it) * 1993-05-25 1996-05-29 Edico Srl Decodificatore teletext top con dispositivo di comando migliorato correlando i tasti + e - ai tasti di selezione colorati
PT710023E (pt) * 1994-10-26 2002-02-28 Italiana P Lo S Dell Elettroni APARELHO PARA A SELECCAO SIMPLIFICADA DE PáGINAS DO SERVICO TELEVISIVO DE TELETEXTO

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634757C1 (de) * 1986-10-11 1988-01-14 Bayerische Rundfunkwerbung Verfahren zum Empfangen sich periodisch wiederholender Teletextdaten
IT1240499B (it) * 1990-07-24 1993-12-17 Rai Radiotelevisione Italiana Sistema perfezionato di trasmissione di informazioni

Also Published As

Publication number Publication date
ITTO910005A1 (it) 1992-07-07
DE69228714T2 (de) 1999-10-21
ES2130140T3 (es) 1999-07-01
EP0494624B1 (en) 1999-03-24
EP0494624A2 (en) 1992-07-15
DE69228714D1 (de) 1999-04-29
ITTO910005A0 (it) 1991-01-07
EP0494624A3 (en) 1993-03-17

Similar Documents

Publication Publication Date Title
EP0508654A3 (en) Virtual channels for a multiplexed analog component (mac) television system
DE3584425D1 (de) Abonnementsfernsehempfaenger.
ITMI940122A0 (it) Ricevitore televisivo avente funzioni di accompagnamento video
JPS56146386A (en) Television receiver functioning also as television telephone
CA2077104A1 (en) Reception of tdma digital data signal with compensation for channel variations
EP0497115A3 (en) Rds broadcast receiver
GB2244611B (en) Television synchronous receiver
IT1245403B (it) Ricevitore perfezionato di trasmissioni teletext
DE69019254D1 (de) Bild-im-Bild-Fernsehempfänger.
IT8119179A0 (it) Generatore di segnali compositi di sincronizzazione,ad uscita controllata, per un ricevitore televisivo.
IT1244987B (it) Ricevitore perfezionato di trasmissioni teletext
IT1245455B (it) Ricevitore perfezionato di trasmissioni teletext
EP0679038A3 (en) Television receiver.
ITRM920101A1 (it) Ricevitore perfezionato di trasmissioni teletext con selezione facilitata.
IT8321849A0 (it) Ricevitore per televisione, presentante differenti caratteristiche di sincronizzazione dello stesso, in risposta a segnali televisivi.
EP0459646A3 (en) Facsimile broadcasting receiver
MY136144A (en) Digital signal receiver and digital signal display method
IT1264155B1 (it) Ricevitore per segnali di televisione letterbox
IT9067968A0 (it) Ricevitore perfezionato per trasmissioni teletext
IT1257390B (it) Sistema per la trasmissione e ricezione di segnali televisivi a pagamento.
EP0635979A3 (en) Teletext signals receiver with viewing duration control of the rolling pages
IT1257119B (it) Circuito ricevitore di segnali teletext con funzioni separate di acquisizione e visualizzazione.
GB9418118D0 (en) Improvements relating to television receivers
IT9067667A0 (it) Ricevitore perfezionato per trasmissioni teletext
JPS5758465A (en) Signal processor for high video quality television receiver

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970130