Patent ID: 8351460
Filing Date: 2013-01-08
Classification: H04N

Abstract:
1. A control method for a digital video recorder, comprising the steps of: storing, by the digital video recorder, a file for creating a control packet for a surveillance camera using an intrinsic communication protocol, the file including control packet information and parsed information for parsing the control packet information; and creating the control packet based on the control packet information with reference to the parsed information, wherein the parsed information describes locations in which varying values are to occupy in the control packet and details of the varying values, wherein the control packet information has a first width in which all bytes of control packets for various communication protocols are accommodated, and a first length in which all control entries that will be used to perform control operations via the control packet are accommodated, and wherein the parsed information has a second width equal to or smaller than the first width and a second length identical to the first length.