Patent ID: 9176366
Filing Date: 2015-11-03
Classification: G03B,H04N

Abstract:
1. A projector comprising: a power-supply unit; a ballast unit connected to and configured to control a discharge lamp, the ballast unit having an insulation transmitting section; a cooling unit configured to cool the power-supply unit; and a control unit insulated from the power-supply unit and the ballast unit and configured to control the ballast unit and the cooling unit, wherein the power-supply unit includes a temperature information generating section configured to generate temperature information indicating the temperature inside the power-supply unit and output the temperature information to the ballast unit, the ballast unit transmits temperature data based on the temperature information outputted from the temperature information generating section to the control unit via the insulation transmitting section, and the control unit controls the cooling unit to cool the power-supply unit based on the temperature data from the ballast unit.