| 发明名称 |
ENCRYPTION TRANSMISSION SYSTEM |
| 摘要 |
A video signal and an audio signal are time division multiplexed, encrypted, and transmitted. A transmission side time-compresses the audio signal, multiplexes, encrypts, and transmits the time-compressed audio signal in a blanking period of the video signal. Control is performed using an audio signal data enable signal ADE, and a audio signal/video signal switch signal. |
| 申请公布号 |
WO0251150(A3) |
申请公布日期 |
2003.01.09 |
| 申请号 |
WO2001JP11104 |
申请日期 |
2001.12.18 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;MATSUZAKI, NATSUME;TATEBAYASHI, MAKOTO;NISHIO, TOSHIRO;SUZUKI, HIDEKAZU |
发明人 |
MATSUZAKI, NATSUME;TATEBAYASHI, MAKOTO;NISHIO, TOSHIRO;SUZUKI, HIDEKAZU |
| 分类号 |
G09G1/16;G09G5/00;H04N7/083;H04N7/167;H04N7/52 |
主分类号 |
G09G1/16 |
| 代理机构 |
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