发明名称 METHOD AND APPARATUS FOR PROVIDING SUBSIDIARY DATA SYNCHRONOUS TO PRIMARY CONTENT DATA
摘要 Primary content data is received from an external source and subsidiary data is obtained which corresponds to the primary content data, wherein the subsidiary data is independent of the primary content data. The subsidiary data is provided synchronous to the primary content data.
申请公布号 US2011182563(A1) 申请公布日期 2011.07.28
申请号 US201113014189 申请日期 2011.01.26
申请人 HEATHWAY HOLDINGS, LLC 发明人 WATTS E. MICHAEL;WILLIAMS CHRISTOPHER D.;GOLDSCHMIDT IKI JEAN M.;SHAH-NAZAROFF ANTHONY A.;HACKSON DAVID N.
分类号 H04N9/80;H04N5/04;H04N5/44;H04N5/445;H04N7/08;H04N7/088;H04N7/16;H04N7/24 主分类号 H04N9/80
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