Patent ID: 11953815
Assignee: SEIKO EPSON CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A projector comprising:
a light source device;
an image projection device configured to modulate light emitted from the light source device to generate image light and project the image light;
a power supply device configured to supply electric power to the light source device and the image projection device;
a housing configured to house the light source device, the image projection device, and the power supply device;
a first discharge fan configured to set at least one device of the light source device, the image projection device, and the power supply device as a cooling target and suck gas from the cooling target and discharge the gas;
a second discharge fan configured to discharge the gas discharged by the first discharge fan to an outside of the housing and discharge a gas from inside the housing to the outside of the housing; and
a duct connecting the first discharge fan to the second discharge fan for circulating the gas discharged by the first discharge fan to the second discharge fan, a surface of the duct comprising a circulation port opened to an interior of the housing to circulate the gas from the interior of the housing to the duct.