发明名称 |
Information leakage prevention apparatus and information leakage prevention method |
摘要 |
A clock signal extractor (11) is connected to an interface of an information equipment (2) for processing an information signal, to extract a clock signal component from the information signal. A clock signal generator (12) generates a pseudo clock signal having an optional phase difference relative to the clock signal component extracted by the clock signal extractor (11). A prevention signal generator (13) generates, based on the pseudo clock signal generated by the clock signal generator (12), a leakage prevention signal having an electromagnetic wave strength stronger than electromagnetic waves leaking from the information signal. A prevention signal output unit (14) outputs the leakage prevention signal generated by the prevention signal generator (13).
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申请公布号 |
US7889866(B2) |
申请公布日期 |
2011.02.15 |
申请号 |
US20050592717 |
申请日期 |
2005.05.24 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE COMPANY |
发明人 |
MASUGI MASAO;SAO MASAHARU;AKIYAMA YOSHIHARU;YAMANE HIROSHI;TOMINAGA TETSUYA |
分类号 |
H04K1/02;G06F1/08;H04B3/56;H04L9/10;H04L9/30 |
主分类号 |
H04K1/02 |
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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