EP 0977388 A1 20000202 - A SYSTEM OF FM DATA BROADCASTING AND A METHOD OF PROCESSING DATA SIGNALS THEREOF
Title (en)
A SYSTEM OF FM DATA BROADCASTING AND A METHOD OF PROCESSING DATA SIGNALS THEREOF
Title (de)
VORRICHTUNG FÜR DEN DATENRUNDFUNK MIT FREQUENZMODULATIONSÜBERTRAGUNG UND VERFAHREN FÜR DIE BEARBEITUNG DIESER DATENSIGNALEN
Title (fr)
SYSTEME DE DIFFUSION DE DONNEES EN F.M. ET PROCEDE POUR TRAITER SES SIGNAUX
Publication
Application
Priority
- CN 9600089 W 19961016
- CN 95118718 A 19951016
Abstract (en)
An FM data broadcasting system comprising a transmitting section and receiving section, input terminal, a stereo encoder and out terminals, the system is characterized in that the transmitting section further comprises a data transmitting unit, the first converting switch, the second converting switch, a mode controlling terminal; the receiving section further comprises a data-unit, a band-pass filter, a pilot identifier, the third converting switch, the system is compatible with the conventional FM broadcasting system and is effective to transmit data without any effectiveness on the reception of audio signals. <IMAGE>
IPC 1-7
IPC 8 full level
H04H 1/00 (2006.01); H04H 5/00 (2006.01); H04H 20/00 (2008.01); H04H 20/28 (2008.01); H04H 20/34 (2008.01); H04H 20/47 (2008.01); H04H 20/48 (2008.01); H04H 20/88 (2008.01); H04H 40/81 (2008.01); H04L 5/00 (2006.01)
CPC (source: EP)
H04H 20/34 (2013.01); H04H 20/48 (2013.01); H04H 40/81 (2013.01)
Citation (search report)
See references of WO 9715128A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9715128 A1 19970424; AU 715471 B2 20000203; AU 7276696 A 19970507; CN 1148297 A 19970423; EP 0977388 A1 20000202; JP H11513851 A 19991124
DOCDB simple family (application)
CN 9600089 W 19961016; AU 7276696 A 19961016; CN 95118718 A 19951016; EP 96934323 A 19961016; JP 51538897 A 19961016