Patent ID: 8050034

Claim:
An electronic apparatus comprising: a case configured to house an electronic circuit unit and comprising an air intake, through which external air is taken into the case, and an exhausting opening, from which the air is ejected; a circulator provided in the case and configured to take the external air into the case through the air intake and blow the air to the electronic circuit unit; a plurality of evaporation units provided in the case and configured to cool the air conducted to the plurality of evaporation units via a closed duct by thermal exchange between the air and a working medium and guide the air to the exhausting opening, the working medium being vaporized as a result of the thermal exchange; and a plurality of condensers provided out of the case and configured to liquidize the working medium and supply the working medium to the evaporation units, wherein operation frequencies of the evaporation units and the condensers undergo inverter control based on required cooling capacities thereof.