EP 0705518 A1 19960410 - FILTER BY-PASS FOR TRANSMITTING AN ADDITIONAL SIGNAL WITH A VIDEO SIGNAL
Title (en)
FILTER BY-PASS FOR TRANSMITTING AN ADDITIONAL SIGNAL WITH A VIDEO SIGNAL
Title (de)
FILTERBYPASS ZUR GEMEINSAMEN ÜBERTRAGUNG EINES ZUSATZ- UND EINES FERNSEHSIGNALS
Title (fr)
DERIVATION DE FILTRE POUR LA TRANSMISSION D'UN SIGNAL SUPPLEMENTAIRE AVEC UN SIGNAL VIDEO
Publication
Application
Priority
- US 9406627 W 19940610
- US 7588893 A 19930614
Abstract (en)
[origin: WO9430011A2] A controlled element (27) for spectrum attenuation or a controlled filter is disclosed that is used to aid in the insertion of a secondary signal into a video signal without distorting the blanking intervals or close captioned data contained in the blanking interval of the video signal.
IPC 1-7
IPC 8 full level
H04N 9/00 (2006.01); H04N 7/025 (2006.01); H04N 7/03 (2006.01); H04N 7/035 (2006.01); H04N 7/081 (2006.01); H04N 5/445 (2011.01)
CPC (source: EP KR)
H04N 7/08 (2013.01 - KR); H04N 7/081 (2013.01 - EP); H04N 5/445 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9430011 A2 19941222; WO 9430011 A3 19941222; AU 7172394 A 19950103; BR 9406817 A 19960723; CA 2164830 A1 19941222; CN 1125501 A 19960626; EP 0705518 A1 19960410; FI 955972 A0 19951213; FI 955972 A 19960208; JP H08511669 A 19961203; KR 960703306 A 19960619
DOCDB simple family (application)
US 9406627 W 19940610; AU 7172394 A 19940610; BR 9406817 A 19940610; CA 2164830 A 19940610; CN 94192433 A 19940610; EP 94920725 A 19940610; FI 955972 A 19951213; JP 50214895 A 19940610; KR 19950705657 A 19951213