发明名称 TWO-WAY DIGITAL CM BROADCAST SYSTEM
摘要 <P>PROBLEM TO BE SOLVED: To provide a two-way digital CM broadcast system which can acquire the detailed information of a displayed matter simply and reliably when a user desires to acquire the detailed information of the displayed matter displayed on a TV broadcast screen. <P>SOLUTION: The system transmits digital data to which area information or the like for specifying each of display areas of matters displayed on a TV broadcast screen of a program for every displayed matter is integrally related with the TV broadcast screen image of the program, and a reception terminal receives the digital data. When the display area exists in the received TV broadcast screen image and the user selectively designates the display area with a pointer or depresses a data display button, the detailed information of the displayed matter in the display area is displayed on the monitor screen of a reception means together with the TV broadcast screen image. <P>COPYRIGHT: (C)2004,JPO&NCIPI
申请公布号 JP2004200932(A) 申请公布日期 2004.07.15
申请号 JP20020365702 申请日期 2002.12.17
申请人 FTL INTERNATIONAL:KK 发明人 TERAKAWA AKIRA;WAKASUGI SOUGO
分类号 H04H20/00;H04H20/76;H04H60/63;H04H60/64;H04N7/173;H04N21/431;H04N21/4722 主分类号 H04H20/00
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