Patent ID: 6538575
Filing Date: 2003-03-25
Classification: H04L,Y02D

Abstract:
A control system including a control apparatus and a plurality of controlled apparatuses that communicate with the control apparatus via a communication network to enable the control apparatus to control the controlled apparatuses,each controlled apparatus including: own address storing means for storing, in advance, a provisional address that provisionally identifies the controlled apparatus when communication is commenced; and a first storing means for storing, in advance, a set of unique information that is unique to the controlled apparatus and does not depend on whether or not the controlled apparatus is connected to the communication network, and the control apparatus including: client address storing means for storing proper addresses for identifying controlled apparatuses once communication has begun, each proper address being exclusively assigned to one of the controlled apparatuses connected to the communication network; a second storing means for storing, in advance, a set of unique information for each controlled apparatus connected to the communication network, each set of unique information being associated with one of the proper addresses stored by the client address storing means; and first control means for performing control that (i) specifies, when communication is commenced, a controlled apparatus to which communication is to be performed using the provisional address stored in the own address storing means of the controlled apparatus, (ii) compares a set of unique information stored in the first storing means of the controlled apparatus with a set of unique information stored in the second storing means, and (iii) stores, based on a comparison result, a proper address stored in the client address storing means in place of the provisional address in the own address storing means of the controlled apparatus.