| 摘要 |
<p>This projector includes a laser beam generation portion (103, 104, 105), an image projection portion (109) including a scanning portion (109a) and projecting an image (31) on a projection area (3), a beam receiving portion (21) receiving a laser beam reflected by a detection object (4) through a lens (22), a control portion (101), and a position adjustment portion (23, 24) adjusting relative positions of the beam receiving portion and the lens in a direction orthogonal to the optical axis direction of the laser beam received by the beam receiving portion.</p> |
