COMMUNICATION SYSTEM
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Abstract
There is described a communication system in which data is received by and/or transmitted to a telecommunications apparatus using an acoustic data channel. In embodiments, the data is encoded within the audio track of a media broadcast or other public broadcast. The invention has particular, but not exclusive, relevance to a cellular communication system. There are also described acoustic position detection systems for determining the position of a telecommunications apparatus.
112 Citations
287 Claims
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1-254. -254. (canceled)
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255. A portable telephone comprising:
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a memory storing, in use, ID information associated with the portable telephone;
a receiver operable to receive an acoustic signal of an audio transmission and for converting the received acoustic signal into a corresponding electrical signal; anda data processor, coupled to said acoustic signal receiver, and operable to process the electrical signal from the acoustic signal receiver to recover audience survey data relating to the audio transmission; and a transmitter operable to transmit data representing the stored ID information associated with the portable telephone and the recovered audience survey data to a remote audience survey station for audience survey analysis. - View Dependent Claims (256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274)
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275. An audience survey station comprising:
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a receiver operable to receive, from a portable telephone via a telecommunications network, data representing audience survey data and ID information associated with the portable telephone; and a controller operable to process the received data representing audience survey data and ID information to identify a user associated with the portable telephone and the audio transmission and operable to store the identified information in an audience survey database. - View Dependent Claims (276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287)
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Specification