Title:
ROTARY OPERATION TYPE INERTIAL DETECTING DEVICE, AND SURVEYING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/071000
Kind Code:
A1
Abstract:
In this rotary operation type inertial detecting device an inertial detecting unit (4) is provided inside an inner frame, the inner frame is supported in an outer frame by means of a first shaft (5), the inertial detecting unit is supported in the inner frame by means of a second shaft (7) perpendicular to the first shaft, the first shaft is provided with a first encoder (12), the second shaft is provided with a second encoder (17), the rotary operation type inertial detecting device is equipped with rotational motive forces provided on each shaft, and an arithmetic processing unit (19) for controlling the rotational motive forces on the basis of a detection result from the inertial detecting unit, and the arithmetic processing unit is configured to: associate a signal emitted by the inertial detecting unit with outputs of the first encoder and the second encoder; cause the inertial detecting unit to rotate continuously about the second shaft; calculate a horizontal angle of rotation of the inner frame and an angle of rotation of the second shaft relative to the horizontal, from a detected signal from the inertial detecting unit; cause the inner frame to perform a rotational movement through 180° at least once about the first shaft; and detect an angle of inclination relative to vertical and a horizontal angle of rotation of the outer frame.
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Inventors:
OHTOMO FUMIO (JP)
OSARAGI KAZUKI (JP)
DOHMOTO TAKESHI (JP)
KUMAGAI KAORU (JP)
SHOJI NAOKI (JP)
OSARAGI KAZUKI (JP)
DOHMOTO TAKESHI (JP)
KUMAGAI KAORU (JP)
SHOJI NAOKI (JP)
Application Number:
PCT/JP2023/034632
Publication Date:
April 04, 2024
Filing Date:
September 25, 2023
Export Citation:
Assignee:
TOPCON CORP (JP)
International Classes:
G01C9/06; G01B7/30; G01C15/00; G01C19/00
Foreign References:
| JP2021063761A | 2021-04-22 | |||
| JPH04142088A | 1992-05-15 | |||
| JP2007155584A | 2007-06-21 | |||
| JP2014232096A | 2014-12-11 |
Attorney, Agent or Firm:
MIYOSHI Shoji (JP)
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