Patent ID: 9131286
Filing Date: 2015-09-08
Classification: G01C,G01S,H02J,H04L,H04Q

Abstract:
1. A device management system comprising: a plurality of devices dispersedly disposed at a plurality of positions in a management area; a portable terminal carried by a manager who patrols the management area; and a management apparatus being capable of radio-communicating with the portable terminal, the management apparatus including: the portable terminal including: wherein at least one of the management apparatus and the portable terminal includes an information analysis unit, the information analysis unit being configured to select the energy usage information to be presented by the presentation unit from the energy usage information stored in the information storage unit, and wherein, based on the terminal position information and the device position information, the information analysis unit is configured to search the plurality of devices for a device existing within a predetermined distance from the portable terminal in the management area, and is configured to make the presentation unit present the energy usage information of the searched device.