| 摘要 |
An optical scanner includes: a movable portion which is provided with a light reflection portion having a light reflection property, and which is configured to swing around a first axis; a frame body portion which is configured to swing around a second axis intersecting the first axis; a first shaft portion which connects the movable portion and the frame body portion; a fixing portion; a second shaft portion which connects the frame body portion and the fixing portion; a first strain detection element which is disposed at the second shaft portion and detects deformation of the second shaft portion; and a first signal processing unit to which a detection signal of the first strain detection element is input and which outputs a signal based on bending deformation of the second shaft portion. |
