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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsSozo Yamamoto, Michinori Masuda
Estimating the term…
A data sending/receiving system with which a data user receives data provided through a data provider by a data receiving apparatus via one of a computer network line and a broadcasting, has a construction where a provider that provides data via a broadcasting, broadcasts (i) as to a data provided via a broadcasting, information about a broadcast channel and a broadcast time of the data related to its identifier, as additional information, and (ii) as to a data provided via a computer network line, a description of a location of the data related to the identifier, on a computer network; and a provider that provides data via a computer network line sends on a computer network line (iii) as to a data provided via a computer network line, a description of a location of the data related to its identifier on a computer network line, and (vi) as to a data provided via a broadcasting, information about the provider of the data. Thus data users can obtain data efficiently by utilizing a plurality of transfer media differ in type, and data providers can utilize transfer media efficiently.
A data broadcast method for a television broadcast with which a data program is multiplexed into a normal television program for broadcasting, comprising:
A data receiving apparatus for receiving a data program is multiplexed into a normal television program for broadcasting, by setting a common host item for a plurality of data programs, to create a hierarchical structure, and multiplexing, as additional information, (i) a program description including a location information that designates a broadcast channel and broadcast time of each data program related to its identifier, and information about a hierarchical relationship between each data program and the host item, and (ii) a node description including information about a hierarchical relationship between each data program and the host item related to its identifier, into a data program, followed by broadcasting, the data receiving apparatus including:
Dependencies are inferred from the claim text.