| 摘要 |
PROBLEM TO BE SOLVED: To provide a total management system of a used electric energy which can manage used electric energies of electrical products individually and totally to promote energy savings and contribute to extension of the operation lives of the electrical products. SOLUTION: An information device 51 is attached to an electrical product of a used electric energy monitoring object, for instance a television 30, for calculating the used electric energy of the television 30, and transmitting the calculated used electric energy and the ID information of the television 30 to a monitoring device 50 via an indoor wiring 40. The monitoring device 50 receives the information from the information devices 51 and displays the respective used electric energies of the electrical products such as the television 30, etc. |
