发明名称 Electron watermark implemented receiver for broadcast system
摘要 A reproduced video data is displayed in CRT (23) corresponding to the received data. An electron watermark detector (24) detects a specific data from the received data. An output unit performs a specific process when detected specific data coincides with predetermined condition.
申请公布号 DE19920045(A1) 申请公布日期 1999.12.02
申请号 DE19991020045 申请日期 1999.04.23
申请人 NEC CORP., TOKIO/TOKYO 发明人 FUJIHARA, SHIRO
分类号 G06T1/00;G06T9/00;G09C5/00;H04N1/32;H04N1/387;H04N5/44;H04N7/08;H04N7/081;H04N7/16;(IPC1-7):H04N1/00 主分类号 G06T1/00
代理机构 代理人
主权项
地址