| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical device of which the number of parts is reduced to reduce manufacture costs and also in which a reflection mirror is easily installed and its posture is easily adjusted, and to provide a projector. <P>SOLUTION: The optical device is equipped with; a swollen part 404A attached to the backside of the reflection surface of the reflection mirror 424, swollen in the out-of-plane direction of the reflection mirror 424 to have convex curved surface shape and abutting on a side wall 401G when arranging the reflection mirror 424 along a side wall 401G; and a pair of fixed parts 404C respectively attached to the backside of the reflection surface of the reflection mirror 424, respectively arranged to put the swollen part 404A in between and projecting the out-of-plane direction of the reflection mirror 424. A pair of fixing groove parts 401J extended in the housing direction R of the reflection mirror 424, guiding the movement of a pair of fixed parts 404C and arranging a pair of fixed parts 404C in a movably fit state is formed on the side wall 401G. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
