Video data indicating a scene of a surveillance area is produced by a surveillance camera and is compressed to high-compressed video data and low-compressed video data. The low-compressed video data having a large data volume is stored in a storing unit, and the high-compressed video data having a small...http://www.google.fr/patents/US6456321?utm_source=gb-gplus-shareBrevet US6456321 - Surveillance camera apparatus, remote surveillance apparatus and remote surveillance system having the surveillance camera apparatus and the remote surveillance apparatus
Surveillance camera apparatus, remote surveillance apparatus and remote ...
