Title:
光偏向器
Document Type and Number:
Japanese Patent JP6966954
Kind Code:
B2
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).
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Inventors:
Makoto Sakurai
Takayama Koyama
Tomotaka Asari
Takayama Koyama
Tomotaka Asari
Application Number:
JP2018028668A
Publication Date:
November 17, 2021
Filing Date:
February 21, 2018
Export Citation:
Assignee:
Stanley Electric Co., Ltd.
International Classes:
G02B26/10; B81B3/00; G02B26/08
Domestic Patent References:
| JP2015184590A | ||||
| JP2015014753A | ||||
| JP2013080068A | ||||
| JP2014056020A |
Foreign References:
| US20150168714 |
Attorney, Agent or Firm:
Creation International Patent Office