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US 11,143,859 B2Granted
Light scanning apparatus
AssigneeMitsumi Electric Co., Ltd.
InventorAkira Takahashi
Life of this patent
Estimating the term…
Abstract
A light scanning apparatus includes a mirror supporting portion having a mirror on a front surface, an actuator configured to driving the mirror supporting portion, a fixed frame disposed around the mirror supporting portion and the actuator, and at least one rib disposed on a back surface side of the mirror supporting portion or the actuator, wherein the rib includes a straight portion and a contact portion having a width wider than a width of the straight portion.
Claims11
A light scanning apparatus comprising:
- a mirror supporting portion having a mirror on a front surface thereof;
- an actuator configured to drive the mirror supporting portion and including a pair of adjacent beams;
- a fixed frame disposed around the mirror supporting portion and the actuator;
- a first rib disposed on a back surface side of the actuator, the first rib including a straight portion disposed on a back surface of each of the pair of adjacent beams and an end portion that is wider than the straight portion,
- wherein the end portion of the first rib disposed on the back surface of each of the pair of adjacent beams is adjacent to the end portion of another one of the first rib so as to form the contact portion.
2 more elements
Dependencies are inferred from the claim text.