| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a video and/or audio distribution system whereby copying and carrying-out of contents are made difficult and the contents may be used for multi-purpose applications without the need for an expensive base material and an expert engineer. <P>SOLUTION: This invention provides the video and/or audio distribution system characterized in that a transmission source is provided with: an E/O conversion means for converting a video and/or audio analog electric signal into an optical signal; and a transmission means for transmitting the optical signal via an optical fiber, and a transmission destination is provided with: a reception means for receiving the transmitted optical signal; an O/E conversion means for converting the received optical signal into an analog electric signal; and a reproducing means for giving the analog electric signal converted by the O/E conversion means to a projector and/or a reproducing apparatus to execute reproduction of video and/or audio. <P>COPYRIGHT: (C)2003,JPO |
