H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/18 (2006.01) H04N 5/77 (2006.01)
Patent
CA 2408916
The present invention discloses a PC-based digital video recorder (DVR) system processing the digital image data of multi-channels broadcasted form multiple of cascaded USB cameras that are installed at locations up to 50 meters far away from the system. The present invention makes it possible to implement a PC-based DVR system with reduced cost by cascading USB cameras with fiber-optic extension cables and USB hubs for the security and surveillance. For two-letter codes and other abbreviations. refer to the "Guid- ance Notes on Codes and Abbreviations" appearing at the begin- ning of each regular issue of the PCT Gazette.
L'invention concerne un VDR rattaché à un ordinateur personnel, qui traite les données d'image numériques de canaux multiples à partir de plusieurs caméras USB en cascade implantées en des points séparés de l'enregistreur par une distance pouvant aller jusqu'à 50 mètres. Il est possible de mettre en oeuvre un tel système, pour un coût réduit, à travers une pluralité de caméras USB en cascade, l'installation comprenant des câbles de prolongement et des noeuds USB qui permettent d'assurer la sécurité et la surveillance.
Jeong In-Hyo
Kim Dae-Joong
Kim Jin-Seop
Lim In-Keon
Jeong In-Hyo
Kim Dae-Joong
Kim Jin-Seop
Lim In-Keon
Piasetzki Nenniger Kvas Llp
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