Sharing of non-divisible files

US8171252B2 · kind B2 · utility

Assignee

• PROTON WORLD INTERNATIONAL N.V. · BE

Inventors

• Didier Ingels · Brussels, BE
• Guy Restiau · Ramillies, BE

Key dates

• Filing date: Apr 8, 2005
• Grant date: May 1, 2012
• Expiry date: Feb 13, 2027

Classification

• Technology area (CPC G): Physics
• CPC primary: G06Q20/35765
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

A method and a system for sharing files recorded by non-divisible sections in a first memory, including dividing each section into subsets to which are respectively assigned specific access rights; storing, in a second memory, separate from the first one, a specification table comprising at least the location of each subset in the section, at least one key conditioning the access to this subset, and the rights assigned to the key; and conditioning the accesses to the subsets to their respective specifications by a control performed by a microprocessor.