Canon Kabushiki Kaisha

Sylvain Joyeau

Anne Abiven

Vicente Sanchez-Leighton

The invention concerns the sharing and the controlling of access to at least one peripheral for a computer system which includes a central processing unit and at the least one peripheral which has a physical interface to the central processing unit. Specifically, a request for access is received at an address of a virtual interface, where the address of the virtual interface corresponds to the physical interface, and data is exchanged between the central processing unit and the at least one peripheral is received. The received data is modified according to at least one predetermined criterion corresponding to the address of the virtual interface.

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Rennes, France

Sylvain Joyeau