Projection-type image display apparatus, filter apparatus, control apparatus, and control method

Abstract

[Object] To provide a projection-type image display apparatus in which dust collected on a filter can be removed more efficiently. [Solution] A projection-type image display apparatus including: an image projection section configured to generate and project an image; a cabinet section that houses the image projection section in an interior and is provided with at least one or more air inlets; a passage section through which outside air taken in from the air inlet flows; a filter section provided in the passage section; an impact application section configured to strike the filter section; and a control section configured to control the impact application section so as to strike the filter section at a timing when the filter section vibrating by striking of the impact application section is moving toward the impact application section.

Dependencies are inferred from the claim text.