Patent ID: 11899355
Assignee: NIDEC CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An optical unit, comprising:
an optical element that changes a traveling direction of light;
a holder that holds the optical element;
a first support portion that supports the holder so as to be swingable about a first swing axis;
a second support portion that supports the first support portion so as to be swingable about a second swing axis intersecting the first swing axis;
a first swing mechanism that swings the holder about the first swing axis with respect to the first support portion;
a second swing mechanism that swings the first support portion about the second swing axis with respect to the second support portion;
a first pre-load portion that is arranged on at least one of the holder and the first support portion and applies a pre-load in an axial direction of the first swing axis to at least a remaining one of the holder and the first support portion; and
a second pre-load portion that is arranged on at least one of the first support portion and the second support portion and applies a pre-load in an axial direction of the second swing axis to at least a remaining one of the first support portion and the second support portion, wherein
the first swing mechanism includes
a first magnet arranged on the holder, and
a first coil arranged on the second support portion, and

the second swing mechanism includes
a second magnet arranged on the first support portion, and
a second coil arranged on the second support portion.