JP2006079552A5

JP2006079552A5 -

Info

Publication number: JP2006079552A5
Application number: JP2004265933A
Authority: JP
Filing date: 2004-09-13
Publication date: 2007-11-01
Anticipated expiration: 2024-09-13

Claims

A data file management device that manages data files recorded on a recording medium that is randomly accessible by a file system,
The data file is grouped according to common attributes, and management means for managing the group in a hierarchical structure corresponding to the attribute hierarchy,
The management means is
A first determination means for the number of files that the upper level attributes belong to a common group or group that can be detected whether equal to or greater than a predetermined number,
When it is detected by the first determination means that the number of files belonging to the group or the group having the common upper attribute is equal to or greater than a predetermined number, the group of the upper attribute of the file belonging to the group or the group is determined. A file management apparatus comprising: a group insertion unit configured to generate a group having a common upper attribute or an upper layer of the group.

The first determination means detects whether or not the number of files belonging to a group having a common high-order attribute or the group is equal to or greater than the predetermined number when the data file is recorded on the recording medium. The file management apparatus according to claim 1, wherein:

The management means is
Second determination means for detecting whether or not a lower layer group or an upper layer group in which the number of files belonging to the group is less than the predetermined number when a data file is deleted from the recording medium When,
A hierarchy deleting means for deleting the upper hierarchy group when the second determination means detects the lower hierarchy group or an upper hierarchy group in which the number of files belonging to the group is less than the predetermined number; The file management apparatus according to claim 1, wherein:

It said management means, the data file, the file management apparatus according to any one of claims 1 to 3, characterized in that manages the date and time recorded on the recording medium as an attribute.

The file management apparatus according to any one of claims 1 to 3, wherein the management unit manages the data file using, as an attribute, geographical information when recorded on the recording medium. .

The file management apparatus according to claim 1, further comprising a setting means for a user to arbitrarily set the relationship of the front Kigu loop and its upper position attribute.

A file management apparatus having management means for grouping data files recorded on a recording medium randomly accessible by a file system according to common attributes, and managing the groups in a hierarchical structure according to the hierarchy of the attributes,
Display control means for displaying a list of the data files or groups for each hierarchy according to the hierarchical structure;
The display control means is
When displaying a hierarchy one level below a group belonging to one of the hierarchies, if only one group is included in the next lower hierarchy, the next lower hierarchy is displayed. The file management is characterized by displaying the data file or the group belonging to the latest hierarchy lower than the next lower hierarchy and having one or more data files or having two or more groups. apparatus.

8. The file management apparatus according to claim 7 , wherein when the display control unit does not display the next lower layer, a message indicating that is displayed.

A recording device for recording video and audio data files on a recording medium randomly accessible by a file system,
Recording apparatus characterized by having a file management apparatus according to any one of claims 1 to 8.

A control method of a data file management apparatus that manages data files recorded on a recording medium that is randomly accessible by a file system,
A management step of grouping the data files according to common attributes and managing the group in a hierarchical structure according to a hierarchy of the attributes;
The management step comprises:
A determining step of the number of files that the upper level attributes belong to a common group or group that can be detected whether equal to or greater than a predetermined number,
When it is detected by the determination step that the number of files belonging to the group or the group having the common upper attribute is equal to or greater than a predetermined number, the upper attribute group of the group or the file belonging to the group is determined as the upper attribute. And a layer insertion step for generating a common group or an upper layer of the group.

A method of controlling a file management apparatus having management means for grouping data files recorded on a recording medium that can be randomly accessed by a file system according to a common attribute and managing the group in a hierarchical structure according to the hierarchy of the attribute There,
A display control step of displaying a list of the data files or groups for each hierarchy according to the hierarchical structure;
The display control step includes
When displaying a hierarchy one level below a group belonging to one of the hierarchies, if only one group is included in the next lower hierarchy, the next lower hierarchy is displayed. The file management is characterized by displaying the data file or the group belonging to the latest hierarchy lower than the next lower hierarchy and having one or more data files or having two or more groups. Device control method.