Global patent index - EP 1042916 A1

EP 1042916 A1 2000-10-11 - AN AUXILIARY DIGITAL DATA EXTRACTOR IN A TELEVISION

Title (en)

AN AUXILIARY DIGITAL DATA EXTRACTOR IN A TELEVISION

Title (de)

ABTRENNVORRICHTUNGVON HILFSDATEN IN EINEM FERNSEHER

Title (fr)

EXTRACTEUR DE DONNEES NUMERIQUES AUXILIAIRES DANS UNE TELEVISION

Publication

EP 1042916 A1 (EN)

Application

EP 97953479 A

Priority

US 9723973 W

Abstract (en)

[origin: WO9933269A1] An auxiliary digital data extractor in a television receiver includes a source of a composite video signal. The composite video signal includes an auxiliary digital data component which is either a first frame code having a predetermined number of bits and auxiliary data in a first format, or a second frame code having the same number of bits and auxiliary data in a second format. A frame code detector is coupled to the composite video signal source. The frame code detector is responsive to one subset of the frame code bits to detect the first frame code and to a different subset of frame code bits to detect the second frame code. An auxiliary data utilization circuit is coupled to the composite video signal source and the frame code detector. The auxiliary data utilization circuit receives auxiliary data in the either first format when the first frame code is detected or the second format when the second frame code is detected.

IPC 1-7 (main, further and additional classification)

H04N 7/035

IPC 8 full level (invention and additional information)

H04N 7/025 (2006.01); H04N 7/03 (2006.01); H04N 7/035 (2006.01)

CPC (invention and additional information)

H04N 7/035 (2013.01)

Citation (search report)

See references of WO 9933269A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

WO 9933269 A1 19990701; AU 5721998 A 19990712; EP 1042916 A1 20001011; JP 2001527348 A 20011225; MX PA00006183 A 20041203

INPADOC legal status

2006-12-06 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20060730

2005-10-05 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: THOMSON LICENSING

- Ref Legal Event Code: RAP1

2004-01-02 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20031114

2000-10-11 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000613

2000-10-11 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT