Patent ID: 8204970
Filing Date: 2012-06-19
Classification: B66B,G06F

Abstract:
1. A remote update system for an elevator control program, comprising: a plurality of elevators that are located within the same management group and connected to each other via a network, and provide services according to a control program held by each of the plurality of elevators; and a server that is connected to each of the plurality of elevators through a communication line, and delivers update data of the control program, wherein the server delivers to one predetermined representative elevator among the plurality of elevators the update data including differential information between the control program of a version before update of the representative elevator and the control program of the latest version to be updated to through the communication line, wherein the representative elevator updates its own control program based on the update data that is received from the server, and transmits the update data to an elevator to which the update data is to be subsequently transferred according to a predetermined transfer order through the network, and wherein each of the plurality of elevators other than the representative elevator sequentially transmits and receives the update data through the network according to the predetermined transfer order, and updates its own control program based on the received update data.