Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 18, 2021
Patent Application Number
16817815
Date Filed
March 13, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
A projector includes a light source, a light modulator, a projection optical apparatus, a cooler configured to cool a cooling target based on transformation of a refrigerant into a gas, and a controller configured to control the cooler. The cooler includes a refrigerant generator configured to generate the refrigerant, a refrigerant sender configured to send the generated refrigerant toward the cooling target, and a cooling blower configured to deliver air to the cooling target. The controller drives at least part of the cooler for a predetermined period in the state in which the projector is not in operation.
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