FILE CONTROL SYSTEM, INFORMATION PROCESSING DEVICE, HOST DEVICE, AND RECORDING MEDIUM THAT STORES PROGRAM
First Claim
1. A file control system comprising a host device and an information processing device that is connectable to the host device via a network,the host device comprising:
- a comparator that compares first file information stored in a first storage unit of the information processing device with second file information stored in a second storage unit of the host device, and extracts differential information; and
a transmitter that transmits the differential information to the information processing device, andthe information processing device comprising;
a receiver that receives the differential information; and
a generator that generates index information on a file that is stored in the second storage unit and not stored in the first storage unit based on the received differential information.
2 Assignments
0 Petitions
Accused Products
Abstract
A file control system according to the present invention includes a host device and an information processing device that is connectable to the host device via a network, the host device including: a comparator that compares first file information stored in a first storage unit of the information processing device with second file information stored in a second storage unit of the host device, and extracts differential information; and a transmitter that transmits the differential information to the information processing device, and the information processing device including: a receiver that receives the differential information; and a generator that generates index information on a file that is stored in the second storage unit and not stored in the first storage unit based on the received differential information.
11 Citations
16 Claims
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1. A file control system comprising a host device and an information processing device that is connectable to the host device via a network,
the host device comprising: -
a comparator that compares first file information stored in a first storage unit of the information processing device with second file information stored in a second storage unit of the host device, and extracts differential information; and a transmitter that transmits the differential information to the information processing device, and the information processing device comprising; a receiver that receives the differential information; and a generator that generates index information on a file that is stored in the second storage unit and not stored in the first storage unit based on the received differential information. - View Dependent Claims (2, 3, 4)
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5. An information processing device that constitutes a file control system comprising a host device and the information processing device that is connectable to the host device via a network,
the host device comprising: -
a comparator that compares first file information stored in a first storage unit of the information processing device with second file information stored in a second storage unit of the host device, and extracts differential information; and a transmitter that transmits the differential information to the information processing device, and the information processing device comprising; a receiver that receives the differential information; and a generator that generates index information on a file that is stored in the second storage unit and not stored in the first storage unit based on the received differential information. - View Dependent Claims (6)
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7. An information processing device that constitutes a file control system comprising a host device and the information processing device that is connectable to the host device via a network,
the host device comprising: -
a first storage unit that stores a file from the information processing device; and a transmitter that sends the file to the information processing device, and the information processing device comprising; a second storage unit; a list of information on a file transmitted from the information processing device to the host device, the list being stored in the second storage unit; a file controller that reads file information stored in the second storage unit using an OS function of the information processing device; a comparator that compares the list and the file information read from the file controller; and a generator that generates index information on a file that is stored in the first storage unit and not stored in the second storage unit based on differential information obtained by the comparator. - View Dependent Claims (8)
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9. A host device that constitutes a file control system comprising the host device and an information processing device that is connectable to the host device via a network,
the host device comprising a comparator that compares first file information stored in a first storage unit of the information processing device with second file information stored in a second storage unit of the host device, and extracts differential information; - and
a transmitter that transmits the differential information to the information processing device, and the information processing device comprising a receiver that receives the differential information; and a generator that generates index information on a file that is stored in the second storage unit and not stored in the first storage unit based on the received differential information. - View Dependent Claims (10)
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11. A recording medium storing a computer program executed by an information processing device that constitutes a system comprising a host device and an information processing device that is connectable to the host device via a network, the program comprising:
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comparing first file information stored in a first storage unit of the information processing device with second file information stored in a second storage unit of the host device, and extracting differential information; transmitting the differential information to the information processing device; receiving the differential information; and generating index information on a file that is stored in the second storage unit and not stored in the first storage unit based on the received differential information, comparing the first file information and transmitting the differential information being executed in the host device, and receiving the differential information and generating the index information being executed in the information processing device. - View Dependent Claims (12)
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13. A recording medium storing a computer program executed by an information processing device that constitutes a system comprising a host device and the information processing device that is connectable to the host device via a network, the program comprising:
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storing a file from the information processing device in a first storage unit of the host device; sending the file to the information processing device; storing a list of information on a file transmitted from the information processing device to the host device, the list being stored in a second storage unit of the information processing device; using an OS function of the information processing device to read the file information stored in the second storage unit; comparing the list and the file information read in using the OS function; and generating index information on a file that is stored in the first storage unit and not stored in the second storage unit based on differential information obtained by the comparator, storing the file and sending the file being executed in the host device, and storing the list, using the OS function, comparing the list and generating the index information being executed in the information processing device. - View Dependent Claims (14)
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15. An information processing device that constitutes a file control system comprising a host device and the information processing device that is connectable to the host device via a network,
the host device comprising: -
a first storage unit that stores a file from the information processing device; and a transmitter that sends the file stored in the first storage unit to the information processing device, and the information processing device comprising; a second storage unit; a list of information on a file transmitted from the information processing device to the host device, the list being stored in the second storage unit; a file controller that reads file information stored in the second storage unit using an OS function of the information processing device; a comparator that compares the list and the file information read from the file controller; a generator that generates index information on a file that is stored in the first storage unit and not stored in the second storage un it based on differential information obtained by the comparator; and a file controller that adds information of the list to a list of the file information stored in the second storage unit to expand the list of the file information as a list of logical file information of the second storage unit.
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16. An information processing device that constitutes a file control system comprising a host device and an information processing device that is connectable to the host device via a network,
the host device comprising: -
a first storage unit that stores a file from the information processing device; and a transmitter that sends the file to the information processing device, and the information processing device comprising; a second storage unit; a list of file information transmitted from the information processing device to the host device, the list being stored in the second storage unit; a file controller that reads file information stored in the second storage unit using an OS function of the information processing device; a comparator that compares the list and the file information read from the file controller; a generator that generates index information on a file that is stored in the first storage unit and not stored in the second storage unit based on differential information obtained from the comparator; a display unit that displays file information based on the index information in association with the second storage unit; and a display converter that, before a display format of the file information of the list is inputted to the file controller, converts the display format to a display format that differs from that of a file in the first storage unit.
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Specification