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System and method for enhanced broadcasting and interactive
   
Document Number
US Patent 7409700
Issued Date
August 5, 2008
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Inventors
Watson; Scott (Santa Clarita, CA)
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Abstract
An enhanced interactive television broadcast is disclosed wherein an audio/video broadcast is viewed on a first display system, and an "enhancement" to the broadcast is simultaneously viewed or experienced on a second, separate display system. The "enhancement" is synchronized to the broadcast, and delivered to a user as a code fragments, such as a JavaScript message. URLs are not required. Portions or elements of a web page are reduced to single code fragments, rendered client-side upon receipt. The invention implements Network Time Protocol (NTP) to synchronize the client's application clock to global time. Messages, or JavaScript code fragments, are time-stamped and evaluated based on the client's application clock.
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Number of Claims:
35
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Published
August 5, 2008
Application Number
09/706,055
Filed
November 3, 2000
US Classification
725/51   725/112 725/133 725/141 725/40
Int'l Classification
H04N   5/445   (20060101)   H04N   7/16   (20060101)   H04N   7/173   (20060101)  
USPTO Field of Search
463/1   725/133   725/141   725/112   725/40   725/51  
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