Apparatus and method for providing and obtaining product information through a broadcast signal
First Claim
1. A method for obtaining supplementary information on an item in a broadcast signal, comprising:
- receiving a digital broadcast signal;
extracting information identifying an item from the received digital broadcast signal;
comparing the extracted identifying information of the item with identifying information of other items; and
storing the extracted identifying information based on the comparison result.
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Accused Products
Abstract
The present invention relates to an apparatus and method for providing and obtaining product information through a broadcast signal. In this present invention, information identifying a product item, which is in a scene to be presented from a broadcast signal, is provided together with a broadcast signal, then a signal receiving terminal stores the product information for a new product item and displays the stored information to a viewer to select one product item while or after watching an interesting broadcast program, and transmits data identifying a selected product item to a predetermined web site and receives web site address for the selected item from that site. As a result, detailed information for the selected item is acquired from a server addressed by the received web site address.
133 Citations
14 Claims
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1. A method for obtaining supplementary information on an item in a broadcast signal, comprising:
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receiving a digital broadcast signal;
extracting information identifying an item from the received digital broadcast signal;
comparing the extracted identifying information of the item with identifying information of other items; and
storing the extracted identifying information based on the comparison result. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A broadcasting enhancement system, comprising:
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a broadcast signal receiver receiving a broadcast signal;
a decoder linked to the broadcast signal receiver that decodes and separates at least video data for display on a display device and first information for selectable items in the video data;
a frame composer coupled to the display device to provide the first information to the display device; and
a controller coupled to the decoder and the frame composer, wherein the controller displays the first information concurrently with the video data according to user commands. - View Dependent Claims (12, 13, 14)
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Specification