Patent ID: 7650328
Filing Date: 2010-01-19
Classification: G06F,G11B,H04N

Abstract:
1. A terminal device for performing input/output of classified data in accordance with a constant procedure, storing said classified data, and operating to store history information or update at appropriate timing said history information in accordance with progress of said constant procedure, comprising: a data storage device, wherein the data storage device comprising: an interface performing external input/output of said classified data to or from the data storage portion; a control portion controlling the input/output of at least one classified data item to or from the data storage portion; said control portion receives the identification information identifying said at least one classified data item to be input/output via said interface in accordance with start of input/output processing of said at least one classified data item to or from the data storage portion, searches the two or more regions in said log storage portion in a predetermined order, determines the region storing the earliest item of the history information stored in said log storage portion as the earliest region, and stores new history information relating to the input/output processing of said at least one classified data item including said received identification information in the determined earliest region, and in input processing of said at least one classified data item to the data storage portion, said control portion searches the two or more regions in said log storage portion in the predetermined order, determines the latest region storing the newest item of the history information including said received identification information, and outputs via said interface the information showing the progress state of the input/output processing of said at least one classified data item and the information showing the state of the input/output of said at least one classified data item included in the history information stored in the determined latest region.