Title:
受光器および回転レーザ受光測定器
Document Type and Number:
Japanese Patent JP7390982
Kind Code:
B2
Abstract:
To increase the range of light reception and reduce the time or the labor for a measurement work.SOLUTION: In a light receiver, a light reception surface 12 is provided to receive a laser beam L emitted from a light emission unit 2 used for a measurement, and a pair of semi-cylindrical prisms 13A and 13B are provided so that one prism of the pair is on the right side and the other is on the left side of the light reception surface 12 with a space in between. In the semi-cylindrical prisms 13A and 13B, a cylindrical axis is directed to a vertical direction and a bending surface 13a faces an outside direction.SELECTED DRAWING: Figure 2
Inventors:
Yutaro Fukase
Sato et al.
Sato et al.
Application Number:
JP2020094660A
Publication Date:
December 04, 2023
Filing Date:
May 29, 2020
Export Citation:
Assignee:
Shimizu Construction Co., Ltd.
International Classes:
G01C5/00; G01C15/00; G01C15/02
Domestic Patent References:
| JP8075468A | ||||
| JP6201996A | ||||
| JP11041495A | ||||
| JP2003207836A | ||||
| JP2128534A |
Foreign References:
| EP0395614A1 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Kazuzumi Nishizawa
Kenichi Kawabuchi
Kazuzumi Nishizawa