发明名称 |
Stacked electrochemical cell |
摘要 |
A watermarking method converts a watermark message (108) into a Frequency Shift Keying (FSK) signal (305) and embeds the FSK signal in a host signal (308). The spectral properties of the FSK watermark signal facilitate its detection (110), even in applications where the watermarked signal is corrupted. Because of these properties, the FSK watermark signal can perform the dual function of identifying the watermark's presence and orientation (406) in potentially corrupted media, and also conveying a hidden message in the host signal. Such a watermark may be referred to as a self-orienting watermark
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申请公布号 |
US2003013012(A1) |
申请公布日期 |
2003.01.16 |
申请号 |
US20010958267 |
申请日期 |
2001.10.05 |
申请人 |
AHN SOON-HO;LEE HYANG-MOK;LEE SEUNG-JIN;KIM TAE-HYUNG;LEE HYUNG-KEUN |
发明人 |
AHN SOON-HO;LEE HYANG-MOK;LEE SEUNG-JIN;KIM TAE-HYUNG;LEE HYUNG-KEUN |
分类号 |
H01G9/155;H01G9/016;H01G9/025;H01G9/26;H01M2/02;H01M2/16;H01M6/10;H01M6/46;H01M10/04;H01M10/38;H01M10/40;(IPC1-7):H01M6/46;H01M6/14 |
主分类号 |
H01G9/155 |
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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