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DIGITAL LITERARY WORK TRANSMISSION SYSTEM AND TRANSMITTER

机译:数字文学作品的传播系统和传播者

摘要

PROBLEM TO BE SOLVED: To transmit a digital signal including literary works to a display device without deterioration through a digital transmission line and to prevent the digital signal from being illegally copied. ;SOLUTION: When a protection information detection means 111 detects copyright protection information, a 1st decode means 113 and a D/A converter means 114 convert a digital signal into an analog signal and an A/D converter means 115 and an encode means 116 convert the analog signal into a digital signal again. Thus, illegal copy of the digital signal requiring countermeasures for copyright protection is prevented while avoiding deterioration in the digital signal.;COPYRIGHT: (C)2000,JPO
机译:要解决的问题:通过数字传输线将包括文学作品的数字信号传输到显示设备而不会劣化,并防止数字信号被非法复制。 ;解决方案:当保护信息检测装置111检测到版权保护信息时,第一解码装置113和D / A转换器装置114将数字信号转换为模拟信号,而A / D转换器装置115和编码装置116转换将模拟信号再次转换为数字信号。因此,防止了需要版权保护对策的数字信号的非法复制,同时避免了数字信号的恶化。;版权:(C)2000,JPO

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