MOVING IMAGE DISTRIBUTION SYSTEM, MOVING IMAGE DIVIDING SYSTEM, MOVING IMAGE DISTRIBUTION PROGRAM, MOVING IMAGE DIVIDING PROGRAM, AND RECORDING MEDIUM STORING MOVING IMAGE DISTRIBUTION PROGRAM AND/OR MOVING IMAGEDIVIDING PROGRAM

A moving image distribution system, wherein the user can view content moving images at no charge, and the provider of the content moving images can preve nt a drain of the moving image contents and can protect the copy right thereof, as a copy right holder, without fail. The moving images are divide...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUDA, TAKURO, ARAKAWA, YUTAKA, KOZHEVNIKOV, SERGEY, ONO, SHINGO, SAITO, HIDEO, SEI, YUICHI, NAKAMURA, JUN, HIRAMOTO, KAZUHIRO, TOGO, JUN, KATO, SEIYA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADVERTISING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS
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Beschreibung
Zusammenfassung:	A moving image distribution system, wherein the user can view content moving images at no charge, and the provider of the content moving images can preve nt a drain of the moving image contents and can protect the copy right thereof, as a copy right holder, without fail. The moving images are divided, along a time axis, into two master and slave nonreproducible moving image files. The slave moving image file (small file) is encrypted based on CM file data in which a predetermined CM element has been incorporated. In response to a reproduction request of a user terminal (5) that possesses the master moving image file (main file) in advance, the slave moving image file is distribute d with the CM moving images to the user terminal via a network line such as th e Internet.