EP 1527605 A2 20050504 - DEVICE FOR SCRAMBLING MPEG-4-TYPE AUDIO-VISUAL AND MULTIMEDIA CONTENT
Title (en)
DEVICE FOR SCRAMBLING MPEG-4-TYPE AUDIO-VISUAL AND MULTIMEDIA CONTENT
Title (de)
GERÄT ZUR VERSCHLÜSSELUNG VON MULTIMEDIALEN UND AUDIOVISUELLEN INHALTEN DES TYPS MPEG-4
Title (fr)
DISPOSITIF POUR LE BROUILLAGE DE CONTENUS MULTIMEDIAS ET AUDIOVISUELS DE TYPE MPEG-4
Publication
Application
Priority
- FR 0302477 W 20030806
- FR 0210002 A 20020806
Abstract (en)
[origin: FR2843517A1] The MPEG-4 type multimedia and equipment includes a processor which is able to display all MPEG-4 type video stream in real or delayed time. A memory unit holds certain movement vectors in planes, and for the planes themselves on the video stream in each audio-visual portal (12). This enables storage in scrambled format, preventing unauthorised copying. The MPEG-4 type multimedia and video interfacing equipment is used to connect a display to a video source. It includes a processor which is able to display all MPEG-4 type video stream in real or delayed time, to store the video stream, to record the video stream, to send the video stream over a broadcast network (4) or a low bandwidth wide area telecommunications network (10) and to record the video stream on a chip card. The system further comprises a screen interface (7) and a local or wide area network interface (5,9), and a chip card reader. A memory unit holds certain movement vectors in planes, and for the planes themselves on the video stream in each audio-visual portal (12). Interfacing equipment (8) restores the MPEG-4 streams with algorithms originating from information from the hard disc.
IPC 1-7
IPC 8 full level
H04N 7/16 (2006.01); H04N 7/167 (2006.01); H04N 7/173 (2006.01)
CPC (source: EP US)
H04N 7/1675 (2013.01 - EP US); H04N 21/234318 (2013.01 - EP US); H04N 21/2347 (2013.01 - EP US); H04N 21/4622 (2013.01 - EP US); H04N 21/8355 (2013.01 - EP US)
Citation (search report)
See references of WO 2004015996A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
FR 2843517 A1 20040213; FR 2843517 B1 20050211; AU 2003282814 A1 20040225; AU 2003282814 A8 20040225; CN 100438620 C 20081126; CN 1703909 A 20051130; EP 1527605 A2 20050504; JP 2005535242 A 20051117; US 2005243924 A1 20051103; WO 2004015996 A2 20040219; WO 2004015996 A3 20040408
DOCDB simple family (application)
FR 0210002 A 20020806; AU 2003282814 A 20030806; CN 03823829 A 20030806; EP 03756530 A 20030806; FR 0302477 W 20030806; JP 2004526983 A 20030806; US 52367505 A 20050329