Patent ID: 6557033
Filing Date: 2003-04-29
Classification: G06F

Abstract:
A device connected to a host apparatus and operable with at least one operation part mounted thereon, said device comprising:a discrimination unit adapted to discriminate whether one operation part of the device has been replaced by another operation part; a disconnection unit adapted to execute a disconnection process of causing the host apparatus to recognize disconnection of said device from the host apparatus; a connection unit adapted to execute a connection process of causing the host apparatus to recognize connection of said device to the host apparatus; a transmission unit adapted to execute a transmission process of transmitting information on the another operation part to the host apparatus; and a control unit adapted to control said disconnection unit, said connection unit and said transmission unit such that the disconnection process, the connection process and the transmission process are executed in sequence, if said discrimination unit discriminates that the one operation part has been replaced by the another operation part, wherein the connection process is executed after a predetermined time from the disconnection process, and the predetermined time is provided to allow the host apparatus to delete a device driver for said device.