Patent ID: 6567862
Filing Date: 2003-05-20
Classification: G06F,H04N

Abstract:
A data storage apparatus for storing data to a data recording medium having a plurality of predetermined data sections provided thereon, the data storage apparatus being operable to receive commands through a communication device from external devices, to record to the data recording medium data received with a command when the received command is a write command, and when the received command is a read command, to read information from the data recording medium according to the read command and to output the data through the communication device, said apparatus comprising:a command storing device operable to group received commands according to the data section on the data recording medium accessed by each command, and to store the received commands to a predetermined command group area according to the group; and a command executing device operable to select, at a predetermined time interval, one of the command group areas in said command storing device, and to execute at least one of the commands stored in the selected command group area.