Contents distribution system contents server contents receiving apparatus contents distribution method, program and storage media
First Claim
1. A contents distribution system for transmitting and receiving contents and additional information in accordance with a communication protocol in which one or more pieces of the additional information corresponding to an internal attribute of said contents are appended to said contents and said contents and said additional information are packetized as a data part without distinction, said system comprising:
- a contents server having storage unit holding one or more contents, contents data acquisition unit receiving a data request including request range information of contents out of consideration for the additional information, specifying a requested range, and extracting data of contents in said requested range from said storage unit, and transmitting unit transmitting the extracted data of said contents with said additional information appended; and
a contents receiving apparatus having receiving unit receiving the data of said contents and said additional information that are transmitted from said transmitting unit, received data decision unit deciding a receiving request range of said contents out of consideration for said additional information, and data request transmitting unit transmitting said data request including decided receiving request range as said request range information;
wherein said contents data acquisition unit specifies said requested range according to said data request transmitted by said data request transmitting unit.
2 Assignments
0 Petitions
Accused Products
Abstract
In a network system for transmitting and receiving contents with one or more pieces of additional information corresponding to an internal attribute of the contents, a contents server can decide the data to be transmitted without regard to a division transfer method supposed for a contents receiving apparatus. The contents server includes storage unit holding one or more contents, contents data acquisition unit receiving a data request including request range information of the contents out of consideration for the additional information and extracting the data of the contents in a requested range out of the storage unit, and transmitting unit transmitting the extracted data of the contents with the additional information. The contents receiving apparatus includes receiving unit receiving the data of the contents with the additional information that are transmitted from the transmitting unit, received data decision unit deciding a receiving request range of the contents out of consideration for the additional information, and data request transmitting unit transmitting the data request including request range information.
24 Citations
16 Claims
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1. A contents distribution system for transmitting and receiving contents and additional information in accordance with a communication protocol in which one or more pieces of the additional information corresponding to an internal attribute of said contents are appended to said contents and said contents and said additional information are packetized as a data part without distinction, said system comprising:
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a contents server having storage unit holding one or more contents, contents data acquisition unit receiving a data request including request range information of contents out of consideration for the additional information, specifying a requested range, and extracting data of contents in said requested range from said storage unit, and transmitting unit transmitting the extracted data of said contents with said additional information appended; and
a contents receiving apparatus having receiving unit receiving the data of said contents and said additional information that are transmitted from said transmitting unit, received data decision unit deciding a receiving request range of said contents out of consideration for said additional information, and data request transmitting unit transmitting said data request including decided receiving request range as said request range information;
wherein said contents data acquisition unit specifies said requested range according to said data request transmitted by said data request transmitting unit. - View Dependent Claims (14)
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2. A contents server for a contents distribution system for transmitting and receiving contents and additional information in accordance with a communication protocol in which one or more pieces of the additional information corresponding to an internal attribute of said contents are appended to said contents and said contents and said additional information are packetized as a data part without distinction, said contents server comprising:
storage means unit holding one or more contents, contents data acquisition unit receiving a data request including request range information of contents out of consideration for the additional information, specifying a requested range, and extracting the data of contents in said requested range from said storage unit, and transmitting unit transmitting the extracted data of said contents with said additional information appended. - View Dependent Claims (3, 4, 5, 6, 15)
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7. A contents receiving apparatus in a contents distribution system for transmitting and receiving contents and additional information in accordance with a communication protocol in which one or more pieces of the additional information corresponding to an internal attribute of said contents are appended to said contents and said contents and said additional information are packetized as a data part without distinction, said apparatus comprising:
received data decision unit deciding a receiving request range of contents out of consideration for the additional information, data request transmitting unit transmitting a data request including request range information indicating said decided receiving request range, and receiving means unit receiving the data of said contents and said additional information. - View Dependent Claims (8, 9, 10, 11, 12, 16)
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13. A contents distribution method of transmitting and receiving contents, employing a contents server in which one or more pieces of contents are stored, and a contents receiving apparatus receiving said contents from said contents server via a network;
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making said contents server perform a step of receiving a data request including request range information of contents out of consideration for additional information, specifying a requested range, and extracting data of contents in said requested range, and a step of transmitting the extracted data of said contents with said additional information appended; and
making said contents receiving apparatus perform a step of deciding a receiving request range of said contents out of consideration for said additional information, a step of transmitting said data request including said decided receiving request range as said request range information, and a step of receiving the data of said data of contents and said additional information that are transmitted by said step of transmitting.
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Specification