Portable file system operable under various computer environments
First Claim
1. A portable file system, comprising:
- at least one portable data processing device having memory means for storing file data and file management data of portable device files belonging to the portable data processing device, the file management data including access permit/reject data for the portable device files;
at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; and
conversion means for converting at least the access permit/reject data among the file data and the file management data of a requested file among the portable device files, into a form suitable for the stationary data processing device, such that the processing means makes an access to the requested file among the portable device files according to converted file data/file management data obtained by the conversion means.
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Accused Products
Abstract
A portable file system capable of sharing data among various computer environments, such that a user can freely utilize his own data under various computer environments. The system includes at least one portable data processing device having a memory unit for storing file data and file management data of portable side files; at least one stationary data processing device having a processing unit for executing desired processing by making accesses to the portable side files; and a conversion unit for converting at least one of the file data and the file management data of each requested file among the portable side files for which a file access request is issued by the processing unit into a form suitable for the stationary data processing device, such that the processing unit makes an access to each requested file among the portable side files according to converted file data/file management data obtained by the conversion unit. The conversion unit may be provided in the portable data processing device side, or in the stationary data processing device side.
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Citations
58 Claims
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1. A portable file system, comprising:
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at least one portable data processing device having memory means for storing file data and file management data of portable device files belonging to the portable data processing device, the file management data including access permit/reject data for the portable device files; at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; and conversion means for converting at least the access permit/reject data among the file data and the file management data of a requested file among the portable device files, into a form suitable for the stationary data processing device, such that the processing means makes an access to the requested file among the portable device files according to converted file data/file management data obtained by the conversion means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A portable file system, comprising:
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a portable data processing device having memory means for storing files; and a stationary data processing device having processing means for executing desired processing by making accesses to the files stored in the memory means and having control means for controlling an execution of the processing by the processing means depending on who is operating the processing means; wherein the portable data processing device includes means for returning a user ID valid on the stationary data processing device of an owner of each requested file for which a file access request is issued by the processing means, to the stationary data processing device, in response to the file access request received from the stationary data processing device; and the control means controls the execution of the processing by the processing means according to the user ID returned from the portable data processing device.
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23. A portable file system, comprising:
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a portable data processing device having memory means for storing files; and a stationary data processing device having processing means for executing desired processing by making accesses to the files stored in the memory means and having control means for controlling an execution of the processing by the processing means depending on an access permit/reject data of each file; wherein the portable data processing device includes means for returning an access permit/reject data valid on the stationary data processing device for each requested file for which a file access request is issued by the processing means, to the stationary data processing device, in response to the file access request received from the stationary data processing device; and the control means controls the execution of the processing by the processing means according to the access permit/reject data returned from the portable data processing device.
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24. A portable data processing device to be used in conjunction with a stationary data processing device, comprising:
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a memory for storing file data and file management data of files, the file management data including access permit/reject data for portable data processing device files; and a conversion unit for converting at least the access Permit/reject data among the file data and the file management data of a file requested from the stationary data processing device into data suitable for the stationary data processing device, such that the stationary data processing device makes an access to the requested file according to converted file data/file management data obtained by the conversion unit.
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25. A portable data processing device to be used in conjunction with a stationary data processing device, comprising:
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memory means for storing file data and file management data of files, the file management data including an access permit/reject data for the portable data processing device files; and conversion control means for controlling the stationary data processing device to convert at least the access permit/reject data among the file data and the file management data of each requested file for which a file access request is received from the stationary data processing device into a form suitable for the stationary data processing device, by transmitting conversion data necessary in converting said at least the access permit/reject data among the file data and the file management data at the stationary data processing device in response to the file access request, such that the stationary data processing device makes an access to each requested file according to converted file data/file management data obtained by using the conversion data.
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26. A stationary data processing device to be used in conjunction with a portable data processing device, comprising:
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processing means for executing desired processing by making accesses to portable device files belonging to and stored in the portable data processing device; and conversion means for converting at least access permit/reject data among file data and file management data of each requested file among the portable device files for which a file access request is issued by the processing means into a form suitable for the stationary data processing device, according to conversion data necessary in converting said at least access permit/reject data among the file data and the file management data provided by the portable data processing device in response to the file access request, such that the processing means makes an access to each requested file according to converted file data/file management data obtained by the conversion means.
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27. A portable data processing device to be used in conjunction with a network to which a stationary data processing device is connected, comprising:
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a memory for storing file data and file management data of files, the file management data including access permit/reject data for the portable data processing device files; and a conversion unit for converting at least the access permit/reject data among the file data and the file management data of a file requested by the stationary data processing device via the network into data suitable for the network, such that the stationary data processing device makes an access via the network to the requested file according to converted file data/file management data obtained by the conversion unit.
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28. A method of file data processing, comprising the steps of:
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forming a portable file system of at least one portable data processing device having a memory for storing file data and file management data of portable device files, and at least one stationary data processing device having a processor for executing desired processing by making accesses to the portable device files, the file management data including access permit/reject data for the portable device files; converting at least the access permit/reject data among the file data and the file management data of a requested file among the portable device files, into a form suitable for the stationary data processing device, at a conversion unit; and making an access to the requested file among the portable device files at the processor according to converted file data/file management data obtained by the conversion unit. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. A method of file data processing, comprising the steps of:
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forming a portable file system of a portable data processing device having memory means for storing files, and a stationary data processing device having processing means for executing desired processing by making accesses to the files stored in the memory means and having control means for controlling an execution of the processing by the processing means depending on who is operating the processing means; issuing a file access request for each requested file among the files stored in the memory means from the processing means; returning a user ID valid on the stationary data processing device of an owner of each requested file for which a file access request is issued by the processing means, from the portable data processing device to the stationary data processing device, in response to the file access request received from the stationary data processing device; and controlling the execution of the processing by the processing means according to the user ID returned from the portable data processing device.
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50. A method of file data processing, comprising the steps of:
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forming a portable file system of a portable data processing device having memory means for storing files, and a stationary data processing device having processing means for executing desired processing by making accesses to the files stored in the memory means and having control means for controlling an execution of the processing by the processing means depending on an access permit/reject data of each file; issuing a file access request for each requested file among the files stored in the memory means from the processing means; returning an access permit/reject data valid on the stationary data processing device for each requested file for which a file access request is issued by the processing means, from the portable data processing device to the stationary data processing device, in response to the file access request received from the stationary data processing device; and controlling the execution of the processing by the processing means according to the access permit/reject data returned from the portable data processing device.
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51. An article of manufacture, comprising:
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a computer usable medium having computer readable program code means embodied therein for causing a computer to function as a portable personal data device to be used in conjunction with a stationary data processing device, the computer readable program code means including first computer readable program code means for causing the computer to store a correspondence between an ID of each stationary data processing device and a file management data suitable for each stationary data processing device; and second computer readable program code means for causing the computer to receive the ID of the stationary data processing device which issued a file access request; and third computer readable program code means for causing the computer to convert a file management data of each requested file for which the file access request is received from the stationary data processing device into a form suitable for the stationary data processing device by referring to the correspondence stored by the first computer readable program code means according to the ID of the stationary data processing device received by the second computer readable program code means, and to return converted file management data to the stationary data processing device in response to the file access request such that the stationary data processing device makes an access to each requested file according to converted file management data returned from the computer.
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52. A method of file data processing between a first data processing device having a memory for storing file data and file management data and a second data processing device having a processor for executing a desired processing, the file management data including access permit/reject data, the method comprising the steps of:
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converting at least the access permit/reject data among the file data and the file management data of a file stored in the first data processing device which is to be accessed by the second data processing device, into data suitable for the second data processing device; and making an access to the file according to converted file data/file management data obtained by the converting step.
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53. A portable file system, comprising:
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at least one portable data processing device having memory means for storing file data and file management data of portable device files belonging to the portable data processing device; at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; and conversion means for converting at least one of the file data and the file management data of a requested file among the portable device files for which a file access request is issued by the processing means into a form suitable for the stationary data processing device, such that the processing means makes an access to the requested file among the portable device files according to converted file data/file management data obtained by the conversion means; wherein the portable data processing device includes correspondence memory means for storing a correspondence between an ID of each stationary data processing device and file management data suitable for each stationary data processing device, such that the conversion means obtains converted file management data by referring to the correspondence memory means according to the ID of the stationary data processing device which issued the file access request.
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54. A method of file data processing, comprising the steps of:
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providing a portable file system of at least one portable data processing device having memory means for storing file data and file management data of portable device files, and at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; storing a correspondence between an ID of each stationary data processing device and file management data suitable for each stationary data processing device in the portable data processing device; issuing a file access request for a requested file among the portable device files from the processing means; converting at least one of the file data and the file management data of the requested file among the portable device files for which the file access request is issued by the processing means into a form suitable for the stationary data processing device, at a conversion unit, by referring to stored correspondence according to the ID of the stationary data processing device which issued the file access request; and making an access to the requested file among the portable device files at the processing means according to converted file data/file management data obtained by the conversion unit.
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55. A portable file system, comprising:
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at least one portable data processing device having memory means for storing file data and file management data of portable device files belonging to the portable data processing device; at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; and conversion means for converting at least one of the file data and the file management data of a requested file among the portable device files into a form suitable for the stationary data processing device, such that the processing means makes an access to the requested file among the portable device files according to converted file data/file management data obtained by the conversion means; wherein the portable data processing device includes correspondence memory means for storing a correspondence between an ID of each network domain and file management data suitable for each network domain, such that the conversion means obtains converted file management data by referring to the correspondence memory means according to the ID of a network domain to which the portable data processing device is connected.
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56. A method of file data processing, comprising the steps of:
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providing a portable file system of at least one portable data processing device having memory means for storing file data and file management data of portable device files, and at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; storing a correspondence between an ID of each network domain and file management data suitable for each network domain in the portable data processing device; converting at least one of the file data and the file management data of a requested file among the portable device files into a form suitable for the stationary data processing device, at a conversion unit, by referring to stored correspondence according to the ID of a network domain to which the portable data processing device is connected; and making an access to the requested file among the portable device files at the processing means according to converted file data/file management data obtained by the conversion unit.
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57. A portable file system, comprising:
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at least one portable data processing device having memory means for storing file data and file management data of portable device files belonging to the portable data processing device; and at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files, and back-up means for automatically producing and storing a back-up of the portable device files in the stationary data processing device while the processing means is accessible to the portable device files, and updating the back-up according to a change in the portable device files made by processing executed by the processing means.
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58. A method of file data processing, comprising the steps of:
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providing a portable file system of at least one portable data processing device having memory means for storing file data and file management data of portable device files, and at least one stationary data processing device having processing means for executing desired processing by making accesses to the portable device files; making an access to a file among the portable device files at the processing means; automatically producing and storing a back-up of the portable device files in the stationary data processing device while the processing means is accessible to the portable device files; and updating the back-up according to a change in the portable device files made by processing executed by the processing means.
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Specification