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    • 2. 发明公开
    • 불법복제 방지 및 추적 시스템
    • 电力线通信中防止和跟踪版权异常的系统家庭网络环境
    • KR1020060130813A
    • 2006-12-20
    • KR1020050048673
    • 2005-06-08
    • 강희조김만호이상헌서인혜이양선
    • 강희조이양선서인혜이상헌김만호
    • G06F17/00G06F21/00
    • G06F21/16G08B25/06
    • A system for preventing and tracking illegal copy is provided to stop a copying process in a PLC(Power Line Communication) home network environment if the illegal copy is discriminated by extracting watermark information from a copy source, comparing an extracted watermark with an original watermark, and discriminating a relation level of both watermarks, and track the illegal copy by transmitting a location information signal through a power line. A copyrighted article(20) includes the watermark information. An illegal copy determiner(30) extracts the watermark information from a copyrighted article, compares the extracted watermark with the original watermark, and transmits an alarm signal if both the relation level of both watermarks is over a threshold in case that the copyrighted article is copied by using a copier. A PLC modem(40) transmits the alarm signal of the illegal copy determiner through the power line. A supervisory reader(60) decodes and tracks the encoded alarm signal transmitted from the PLC modem. The illegal copy determiner includes a memory(31), an extractor(32), a comparator(33), a turbo encoder(34), a modulator(35), an encryptor(36), and a transmission band pass filter(37).
    • 提供了一种用于防止和追踪非法复制的系统,用于通过从复制源提取水印信息,比较所提取的水印和原始水印来鉴别非法拷贝,从而在PLC(电力线通信)家庭网络环境中停止复制过程, 并且识别两个水印的关系水平,并且通过通过电力线发送位置信息信号来跟踪非法复制。 版权文章(20)包括水印信息。 非法复制确定器(30)从受版权保护的文章中提取水印信息,将所提取的水印与原始水印进行比较,并且如果在版权文章被复制的情况下两个水印的关系水平都超过阈值,则发送报警信号 通过使用复印机。 PLC调制解调器(40)通过电力线传输非法复制确定器的报警信号。 监控读取器(60)解码并跟踪从PLC调制解调器发送的编码报警信号。 非法复制确定器包括存储器(31),提取器(32),比较器(33),turbo编码器(34),调制器​​(35),加密器(36)和传输带通滤波器 )。
    • 3. 发明授权
    • 불법복제 방지 및 추적 방법
    • 불법복제방지및추적방법
    • KR100638583B1
    • 2006-10-27
    • KR1020050048672
    • 2005-06-08
    • 강희조김만호이상헌서인혜이양선
    • 강희조이양선서인혜이상헌김만호
    • G06F15/00G06F17/00
    • A method for preventing and tracking illegal copy is provided to quickly stop a copy operation and track the illegal copy by a location information signal through a power line if the illegal copy is revealed by extracting watermark information during the illegal copy, and comparing an extracted watermark with the original watermark simultaneously with discriminating a relation level. The watermark information is extracted when the writing is copied(A). If the relation level over a threshold is represented by comparing the watermark information with the original watermark, an encoded alarm signal and the location information signal are transmitted through the power line while stopping the copy operation(B). The copy operation is tracked by interpreting/tracking the alarm signal and the location information signal transmitted through the power line(C).
    • 如果在非法复制期间通过提取水印信息来揭示非法复制并提取水印,则通过电力线通过位置信息信号快速停止复制操作并跟踪非法复制,并提供防止和追踪非法复制的方法 与原始水印同时鉴别关系等级。 当写入被复制时(A),提取水印信息。 如果通过将水印信息与原始水印进行比较来表示超过阈值的关系水平,则在停止复制操作(B)的同时通过电力线传输编码的警报信号和位置信息信号。 通过解释/跟踪警报信号和通过电力线(C)发送的位置信息信号来跟踪复制操作。