Global Patent Index - EP 2025174 A1

EP 2025174 A1 2009-02-18 - USE OF A FEEDBACK CHANNEL FOR IMAGE BROADCASTING

Title (en)

USE OF A FEEDBACK CHANNEL FOR IMAGE BROADCASTING

Title (de)

VERWENDUNG EINES FEEDBACK-KANALS ZUR RUNDSENDUNG VON BILDERN

Title (fr)

UTILISATION D'UN CANAL DE RETOUR POUR LA DIFFUSION D'IMAGES

Publication

EP 2025174 A1 (FR)

Application

EP 07858480 A

Priority

  • FR 2007051309 W
  • FR 0604777 A

Abstract (en)

[origin: FR2901648A1] The method involves incorporating images of a video sequence into an output stream for transmitting the images to terminals e.g. personal computer. Error messages relative to restitution of the images are received from the terminals via a return channel. The error messages are analyzed to identify non/badly restituted images, and response messages including correction images are determined. Urgency level for each error message is determined based on the analysis, and a decision for sending a response message to the error message is made based on the urgency level. An independent claim is also included for a computer program comprising software instructions for implementing a video sequence image broadcasting method.

IPC 8 full level (invention and additional information)

H04N 7/26 (2006.01); H04N 19/89 (2014.01)

CPC (invention and additional information)

H04N 21/6125 (2013.01); H04N 19/107 (2014.11); H04N 19/164 (2014.11); H04N 19/166 (2014.11); H04N 19/89 (2014.11); H04N 21/4425 (2013.01); H04N 21/6175 (2013.01); H04N 21/6371 (2013.01); H04N 21/6375 (2013.01); H04N 21/6377 (2013.01)

Citation (search report)

See references of WO 2008043923A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

FR 2901648 A1 20071130; EP 2025174 A1 20090218; US 2009138933 A1 20090528; US 8505060 B2 20130806; WO 2008043923 A1 20080417

INPADOC legal status


2018-06-20 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20171201

2013-09-25 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ORANGE

2012-08-15 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2009-11-18 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20091019

2009-02-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081113

2009-02-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS