The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2002
Filed:
Dec. 28, 1999
Applicant:
Inventors:
Nobuya Okayama, Kawasaki, JP;
Hiroshi Koike, Maebashi, JP;
Taminori Tomita, Yokohama, JP;
Shigeru Arai, Kawasaki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/700 ;
U.S. Cl.
CPC ...
G06F 1/700 ;
Abstract
In a method of preventing an illegal use of digital contents, a status information for controlling the replay processing of the digital contents is set in the digital contents. The replay processing of the digital contents is controlled in accordance with a value of the status information thus set. Thereby, a technique can be provided which is capable of preventing the illegal use of the digital contents within the various types of shopping centers and retail outlets.