| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the trouble to individually collect charges for the use of video and music when the video and music are distributed through the Internet, to eliminate the loss of profits of video and music creators and a distributor even when electronic commercial transaction with the problem of safety is not performed, to prevent the video and music creators from losing an opportunity of obtaining benifit owing to illegal copy, and to increase the circulation quantity of even music which is released a long time before and becomes small in circulation quantity again. SOLUTION: The video and music are distributed through the Internet and protected against illegal reproduction, and they are distributed so that an advertisement including a method for canceling the protection is added to the head of the video and music. Then the distributor collects the charge from not a user, but the advertiser. |
