Method for controlling a projector including a cooling unit insulated from a power-supply unit

A projector according to an embodiment of the invention can measure the temperature of an object to be cooled accurately with a simple configuration and perform accurate cooling control. The projector includes a power-supply unit, a ballast unit having a ballast control circuit and a photocoupler, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIMURA KEISHI, SHIOIRI KENICHI
Format: Patent
Sprache:eng
Schlagworte:
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