Network camera with embedded hub and network digital video recorder system including the same
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United States of America Patent
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Issued Date -
Sep 9, 2004
app pub date -
Mar 5, 2004
filing date -
Mar 8, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A network digital video recorder system includes a plurality of network cameras, each of which is embedded with a switching hub that transmits a compressed video data packet from the network camera to the Ethernet. The switching hub embedded in the network camera multiplexes a compressed video data packet produced by the network camera, and a compressed data packet output by another (e.g., adjacent or neighboring) network camera, to up-link the multiplexed data packets to yet another neighboring network camera. Accordingly, video and audio data can be transmitted to a network digital video recorder through an Ethernet without cascading multiple dedicated hubs.
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