Display of Enhanced Content
First Claim
1. A decoder for use in an interactive television system in which items of enhanced content can be presented to users, the decoder comprising:
- a receiver for receiving enhanced content data, a signal comprising timing indications and a video stream;
a memory for storing enhanced content data received by the receiver and a timing schedule indicating timings associated with the enhanced content data;
a timer;
playout means for presenting the video data to a user, and being responsive to the timer for presenting the enhanced content data stored in the memory to a user in accordance with the state of the timer and the timing schedule; and
synchronising means for synchronising the timer in accordance with the received timing indications.
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0 Petitions
Accused Products
Abstract
A decoder for use in an interactive television system in which items of enhanced content can be presented to users, the decoder: including a receiver for receiving enhanced content data, a signal including timing indications and a video stream; a memory for storing enhanced content data received by the receiver and a timing schedule indicating timings associated with the enhanced content data; a timer; playout means for presenting the video data to a user, and being responsive to the timer for presenting the enhanced content data stored in the memory to a user in accordance with the state of the timer and the timing schedule; and synchronising means for synchronising the timer in accordance with the received timing indications.
20 Citations
12 Claims
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1. A decoder for use in an interactive television system in which items of enhanced content can be presented to users, the decoder comprising:
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a receiver for receiving enhanced content data, a signal comprising timing indications and a video stream; a memory for storing enhanced content data received by the receiver and a timing schedule indicating timings associated with the enhanced content data; a timer; playout means for presenting the video data to a user, and being responsive to the timer for presenting the enhanced content data stored in the memory to a user in accordance with the state of the timer and the timing schedule; and synchronising means for synchronising the timer in accordance with the received timing indications. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of presenting items of enhanced content to a user comprising the steps of:
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receiving enhanced content data, a signal comprising timing indications and a video stream; storing the received enhanced content data and a timing schedule indicating timings associated with the enhanced content data; presenting the video data to the user; synchronising a timer in accordance with the received timing indications; and responsive to the timer, presenting the stored enhanced content data to the user in accordance with the state of the timer and the timing schedule. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification