DEVICE FOR EMBEDDING COPYRIGHT INFORMATION AND PROGRAM THEREOF, DEVICE FOR DISPLAYING COPYRIGHT INFORMATION AND PROGRAM THEREOF, DEVICE FOR ELIMINATING COPYRIGHT INFORMATION AND PROGRAM THEREOF, AND SYSTEM FOR MANAGING COPYRIGHT INFORMATION

摘要

PPROBLEM TO BE SOLVED: To provide a copyright information embedding device and program, a copyright information display device and program, a copyright information eliminating device and program, and a copyright information management system which can eliminate the risk that contents which are not subjected to right acquisition work for copyright are erroneously used for a program as material for broadcasting. PSOLUTION: A copyright information embedding device 10 includes a copyright information database 1, a copyright information generating means 11, and an electronic watermark embedding part 12 provided with an invisible electronic watermark embedding part 12a for embedding index information of copyright as an invisible electronic watermark, and a visible electronic watermark embedding part 12b for embedding copyright acquisition information as a visible electronic watermark. PCOPYRIGHT: (C)2003,JPO