发明名称 |
Method for spread spectrum communication of supplemental information |
摘要 |
Systems and methods for the communication and recovery of supplementary data encoded in the primary information transmitted from a source to a receiver for both audio and television transmissions. The method includes modulating a carrier signal with the supplementary data using a spread spectrum approach and demodulating the carrier signal to recover the embedded supplementary data.
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申请公布号 |
US6765950(B1) |
申请公布日期 |
2004.07.20 |
申请号 |
US19990283477 |
申请日期 |
1999.04.01 |
申请人 |
CUSTOM ONE DESIGN INC |
发明人 |
NUYTKENS PETER R;MITWALLI AHMED |
分类号 |
H04H20/31;H04N7/08;(IPC1-7):H04B1/69 |
主分类号 |
H04H20/31 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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