| 摘要 |
<p>In an optical information reader, a case, and a light source is installed in the case. The light source supplies light. A lens is installed in the case and focuses the supplied light through part of the case onto optical information attached to a target. A particle blocking member is installed in the case to be arranged between the part of the case and the light source. The particle blocking member allows light reflected from the optical information to pass therethrough. The particle blocking member is integrally provided with a holder configured to support the light source. The particle blocking member blocks flow of particles into the light source side in the case.</p> |
