Global patent index - EP 0977388 A1

EP 0977388 A1 2000-02-02 - 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

EP 0977388 A1 (EN)

Application

EP 96934323 A

Priority

  • CN 9600089 W
  • CN 95118718 A

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 (main, further and additional classification)

H04H 5/00

IPC 8 full level (invention and additional information)

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 (invention and additional information)

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

EPO simple patent family

WO 9715128 A1 19970424; AU 715471 B2 20000203; AU 7276696 A 19970507; CN 1148297 A 19970423; EP 0977388 A1 20000202; JP H11513851 A 19991124

INPADOC legal status

2003-11-26 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030503

2000-02-02 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19980515

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE