Patent ID: 8068249
Filing Date: 2011-11-29
Classification: H04N

Abstract:
1. An image forming apparatus including a first system and a second system, the first system comprising: a first control unit adapted to control the first system; a connection unit adapted to connect to an external storage unit adapted to store a first OS program for operating the first system and a second OS program for operating the second system; an application program storage unit adapted to store an application program that is executable by the first OS program; an access control unit adapted to control access to the external storage unit and the application program storage unit; and a provision unit adapted to acquire the second OS program from the external storage unit and provide the acquired second OS program to the second system, and the second system comprising: a second control unit adapted to control the second system, the second control unit operating the second system based on the second OS program provided by the provision unit; and a transmission unit adapted to transmit, to the access control unit, a permit signal for permitting the first control unit to access the application program storage unit, in response to the second system being in an operational state, wherein the access control unit prohibits the first control unit from accessing the application program storage unit until the access control unit receives the permit signal, and permits the first control unit to access the application program storage unit upon receiving the permit signal.