Patent ID: 8373755
Filing Date: 2013-02-12
Classification: H04N

Abstract:
1. A system for operating network cameras, the system comprising: a plurality of network cameras which generate respective image data and are connected to a network; a storage medium which is connected to a first camera among the plurality of network cameras and in which the respective image data is stored; and a client device connected to the plurality of network cameras through the network, wherein the first camera generates first image data, and stores in the storage medium the respective image data generated by the plurality of network cameras, wherein the first camera is a master camera which receives control signals from the client device through the network to control the plurality of network cameras, and wherein the first camera receives a request of image data stored in the storage medium from the client device, and, in response to the request, provides the client device with information about a location of the requested image data in the storage medium, so that the requested image data is provided to the client device without passing through the first camera.