公开(公告)号：US11137594B2

公开(公告)日：2021-10-05

申请号：US16514410

申请日：2019-07-17

Applicant: Stanley Electric Co., Ltd.

Inventor： Makoto Sakurai ,  Mamoru Miyachi

IPC: G02B26/08 ,  F21S41/675

Abstract: There is provided an irradiation apparatus 1 including a laser light source 6, a light deflector 7, and a control unit 8. The light deflector 7 has a piezoelectric actuator 74 that include a plurality of piezoelectric cantilevers 79 in a meandering pattern arrangement. In the control unit 8, the driving voltage control unit 14 stops supplying a driving voltage to some piezoelectric cantilevers 79 when a designated drawing area designated by the drawing area designating unit 15 is an upper drawing area Fu and a lower drawing area Fd that are partial drawing areas.

公开(公告)号：US10558033B2

公开(公告)日：2020-02-11

申请号：US16278149

申请日：2019-02-17

Applicant: STANLEY ELECTRIC CO., LTD.

Inventor： Makoto Sakurai ,  Takaaki Koyama ,  Tomotaka Asari

IPC: G02B26/08 ,  G02B26/10

Abstract: A light deflector 1 includes a reflector (2), inner piezoelectric actuators (4), an inner frame (5), outer piezoelectric actuators (6), and an outer frame (7). The reflector (2) is oscillated about a first axis Ua and a second axis Ub by the inner piezoelectric actuators (4) and the outer piezoelectric actuators (6), respectively. Formed on the rear surface of the light deflector 1 is a projecting rib (52), which projects from an encircling rib (51) of the inner frame (5) and reaches a corner portion (36) of a distal end portion of a piezoelectric cantilever (13a). A vertical side (22b) has an outer recess (35). The outer recess (35) extends along the projecting rib (52) in a portion of the distal end side of the piezoelectric cantilever (13a).

公开(公告)号：US20200026067A1

公开(公告)日：2020-01-23

申请号：US16514410

申请日：2019-07-17

Applicant: Stanley Electric Co., Ltd.

Inventor： Makoto Sakurai ,  Mamoru Miyachi

IPC: G02B26/08 ,  F21S41/675

Abstract: There is provided an irradiation apparatus 1 including a laser light source 6, a light deflector 7, and a control unit 8. The light deflector 7 has a piezoelectric actuator 74 that include a plurality of piezoelectric cantilevers 79 in a meandering pattern arrangement. In the control unit 8, the driving voltage control unit 14 stops supplying a driving voltage to some piezoelectric cantilevers 79 when a designated drawing area designated by the drawing area designating unit 15 is an upper drawing area Fu and a lower drawing area Fd that are partial drawing areas.