发明名称 Educational television broadcast system
摘要 An educational live television broadcast system is provided which provides a virtually inexhaustible array of subject matter for students who have access to television sets. The programming is provided on a pay-per-view basis and presents those students all over the world who have access to television with a wide variety of instructional courses presented by the finest authorities in their respective fields. Cable and/or satellite television, as appropriate, may be employed to provide the system of the instant invention and, depending upon the students' needs, interactivity may be supplied between the student and the teaching authority during these broadcasts.
申请公布号 US2006218614(A1) 申请公布日期 2006.09.28
申请号 US20050087792 申请日期 2005.03.23
申请人 LOVELL JOSEPH L 发明人 LOVELL JOSEPH L.
分类号 H04N7/173 主分类号 H04N7/173
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