Communication system and its method and communication apparatus and its method
DC CAFCFirst Claim
1. A communication method to transfer content data to a first apparatus from a second apparatus, comprising:
- judging whether said first apparatus and said second apparatus are connected;
comparing, upon judging that said first apparatus and said second apparatus are connected, an identifier of said first apparatus with an identifier stored in said second apparatus;
comparing, when said identifier of said first apparatus corresponds to said identifier stored in said second apparatus, a first list of content data of said first apparatus and a second list of content data of said second apparatus;
transferring, from the second apparatus to the first apparatus, first content data, which is registered in said second list and is not registered in said first list; and
deleting, from the first apparatus, second content data, which is registered in said first list and is not registered in said second list.
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Abstract
This invention relates to a communication system including a first apparatus having a first storage medium, and a second apparatus for transmitting data to the first apparatus, the second apparatus comprising: a second storage medium for storing management information of data to be transferred to the first storage medium; communication means for communicating data with the first apparatus; edit means capable of editing the management information; and control means for making a control to transfer data stored in the second storage medium to the first storage medium by way of the communication means on the basis of the management information edited by the edit means.
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Citations
56 Claims
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1. A communication method to transfer content data to a first apparatus from a second apparatus, comprising:
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judging whether said first apparatus and said second apparatus are connected; comparing, upon judging that said first apparatus and said second apparatus are connected, an identifier of said first apparatus with an identifier stored in said second apparatus; comparing, when said identifier of said first apparatus corresponds to said identifier stored in said second apparatus, a first list of content data of said first apparatus and a second list of content data of said second apparatus; transferring, from the second apparatus to the first apparatus, first content data, which is registered in said second list and is not registered in said first list; and deleting, from the first apparatus, second content data, which is registered in said first list and is not registered in said second list. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A communication apparatus configured to transfer content data to a portable apparatus, comprising:
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a storing unit configured to store a program to control said communication apparatus; and a processor configured to execute said program stored in the storing unit, wherein said processor executing said program is operating to; judge whether said portable apparatus and said communication apparatus are connected; compare, upon judging that said portable apparatus and said communication apparatus are connected, an identifier of said portable apparatus with an identifier stored in said communication apparatus; compare, when said identifier of said portable apparatus corresponds to said identifier stored in said communication apparatus, a first list of content data of said portable apparatus and a second list of content data of said communication apparatus; transfer first content data, from the communication apparatus to the portable apparatus, which is registered in said second list and is not registered in said first list; and delete second content data, from the portable apparatus, which is registered in said first list and is not registered in said second list. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A communication apparatus for transferring content data to a portable apparatus, comprising:
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a storing means for storing a program for controlling said communication apparatus; and a processing means for executing said program stored in the storing means; wherein said processing means performs; judging whether said portable apparatus and said communication apparatus are connected; comparing, upon judging that said portable apparatus and said communication apparatus are connected, an identifier of said portable apparatus with an identifier stored in said communication apparatus; comparing, when said identifier of said portable apparatus corresponds to said identifier stored in said communication apparatus, a first list of content data of said portable apparatus and a second list of content data of said communication apparatus; transferring first content data, from the communication apparatus to the portable apparatus, which is registered in said second list and is not registered in said first list; and deleting second content data, from the portable apparatus, which is registered in said first list and is not registered in said second list. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33)
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34. A communication apparatus for transferring content data to a portable apparatus comprising:
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a storing means for storing a program into a storage for controlling said communication apparatus; and a processing means for executing said program stored in said storage; wherein said processing means performs; judging whether said portable apparatus and said communication apparatus are connected; comparing, upon judging that said portable apparatus and said communication apparatus are connected, lists of content data of said portable apparatus and said communication apparatus; comparing, when said identifier of said portable apparatus corresponds to said identifier stored in said communication apparatus, a first list of content data of said portable apparatus and a second list of content data of said communication apparatus; transferring first content data, from the communication apparatus to the portable apparatus, which is registered in said second list and is not registered in said first list; and deleting second content data, from the portable apparatus, which is registered in said first list and is not registered in said second list. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42)
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43. A computer readable storage medium encoded with computer program instructions executable by a computer to implement a method of transferring content data to a first apparatus from a second apparatus, said computer program instructions comprising instructions that:
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judge whether said first apparatus and said second apparatus are connected; compare, upon judging that said first apparatus and said second apparatus are connected, an identifier of said first apparatus with a corresponding identifier in said second apparatus; compare, when said identifier of said first apparatus corresponds to said identifier stored in said second apparatus, a first list of content data of said first apparatus and a second list of content data of said second apparatus; transfer first content data, from the second apparatus to the first apparatus, which is registered in said second list and is not registered in said first list; and delete second content data, from the first apparatus, which is registered in said first list and is not registered in said second list. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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Specification