METHOD OF CONSTRUCTING AND HANDLING REQUESTS FOR DATA FILES
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Accused Products
Abstract
A method of constructing and handling a request for a desired data file relating to a broadcast segment of a broadcast signal is described. The method comprises receiving an information signal at a receiving device. The information signal comprises at least a data element, and the data element relates to a segment of the broadcast signal. The method also comprises presenting the data element to a user interface of the receiving device, obtaining a user selection of the data element from the user interface, and constructing and transmitting a request for the desired data file relating to the selected data element, the request including an identifier relating to the desired data file.
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Citations
188 Claims
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1-93. -93. (canceled)
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94. A method of constructing and handling a request for a desired data file relating to a broadcast segment of a broadcast signal, the method comprising:
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receiving an information signal at a receiving device, the information signal comprising at least a data element, the data element relating to a segment of the broadcast signal; presenting the data element to a user interface of the receiving device; obtaining a user selection of the data element from the user interface; and constructing and transmitting a request for the desired data file relating to the selected data element, the request including an identifier relating to the desired data file. - View Dependent Claims (95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 187)
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152. A device for constructing and handling a request for a desired data file relating to a broadcast segment of a broadcast signal, the device comprising:
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receiving means for receiving an information signal at a receiving device, the information signal comprising at least a data element, the data element relating to a segment of the broadcast signal; presenting means for presenting the data element to a user interface of the receiving device; obtaining means for obtaining a user selection of the data element from the user interface; and constructing and transmitting means for constructing and transmitting a request for the desired data file relating to the selected data element, the request including an identifier relating to the desired data file. - View Dependent Claims (153)
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154. A digital broadcast system comprising:
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receiving means for receiving a trigger signal signifying that broadcast of a current segment of media information has commenced via a digital broadcasting channel, the trigger signal comprising a media information identifier identifying the current segment of media information; selecting means for selecting a data file relating to the current segment identified by the media information identifier; and output means for outputting the related data file to the digital broadcasting channel for broadcast with the current segment of the media information; wherein the output means is arranged to control the timing of the output of the related data file, such that the data file is output as a consequence of receipt of the trigger signal. - View Dependent Claims (155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184)
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185. A method of enabling downloading a data file relating to a portion of a broadcast signal, the method comprising:
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receiving at a receiving device, an information signal comprising a plurality of data segments associated with corresponding broadcast portions of a broadcast signal; receiving and storing an encrypted data file relating to one of the plurality of broadcast portions; selecting a data segment of interest; transmitting a request for a decryption key for the encrypted data file related to the data segment of interest; decrypting the encrypted data file using a received decryption key; making the encrypted data file corresponding to the data segment of interest available at an address location accessible to the user for download via a personal computer.
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186. A digital information device arranged to receive an information signal from a digital broadcast information source, the digital information device being arranged to be used to select a segment of the information signal relating to a portion of a broadcast signal and to trigger and facilitate the download of a data file corresponding to the selected segment through a Wireless Local Area Network.
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188. A method of constructing and handling a request for a desired data file relating to a broadcast segment of a broadcast signal, the method comprising:
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receiving an information signal at a receiving device, the information signal comprising at least (i) a data element, the data element relating to the segment of the broadcast signal;
(ii) a data file identifier, the data file identifier identifying the desired data file corresponding to the data element; and
(iii) data file availability information indicative of the availability of the desired data file for provision to the user;presenting the data element and data file availability information to a user interface of the receiving device; obtaining a user selection of the data element from the user interface; and constructing and transmitting a request for provision of the desired data file relating to the selected data element, the request including the date file identifier relating to the desired data file.
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Specification