公开(公告)号：US11293754B2

公开(公告)日：2022-04-05

申请号：US16824788

申请日：2020-03-20

Applicant: TOPCON Corporation

Inventor： Satoshi Hirano ,  Kaoru Kumagai ,  Fumio Ohtomo ,  Kazuki Osaragi ,  Nobuyuki Nishita ,  Tetsuji Anai ,  Noriyasu Kiryuu

IPC: G01C15/00

Abstract: There is provided a surveying instrument including a monopod which is installed on a reference point, a surveying instrument main body which is provided at a known distance from a lower end of the monopod and a known angle with respect to an axis of the monopod, two auxiliary legs which extend downward from a middle portion of the monopod at a predetermined angle, and a lower image pickup module which is provided at a known position with respect to the surveying instrument main body, wherein the surveying instrument main body comprises a measuring unit, a measuring direction image pickup module, and an arithmetic control module, wherein the surveying instrument main body is supported by three points by the monopod and the auxiliary legs, and a positional change or a rotational change of the surveying instrument main body is calculated based on a change of the lower image.

公开(公告)号：US20200318966A1

公开(公告)日：2020-10-08

申请号：US16824788

申请日：2020-03-20

Applicant: TOPCON Corporation

Inventor： Satoshi Hirano ,  Kaoru Kumagai ,  Fumio Ohtomo ,  Kazuki Osaragi ,  Nobuyuki Nishita ,  Tetsuji Anai ,  Noriyasu Kiryuu

IPC: G01C15/00

Abstract: There is provided a surveying instrument including a monopod which is installed on a reference point, a surveying instrument main body which is provided at a known distance from a lower end of the monopod and a known angle with respect to an axis of the monopod, two auxiliary legs which extend downward from an middle portion of the monopod at a predetermined angle, and a lower image pickup module which is provided at a known position with respect to the surveying instrument main body, wherein the surveying instrument main body comprises a measuring unit, a measuring direction image pickup module, and an arithmetic control module, wherein the surveying instrument main body is supported by three points by the monopod and the auxiliary legs, and a positional change or a rotational change of the surveying instrument main body is calculating based on a change of the lower image.

公开(公告)号：US20200318963A1

公开(公告)日：2020-10-08

申请号：US16824785

申请日：2020-03-20

Applicant: TOPCON Corporation

Inventor： Satoshi Hirano ,  Kaoru Kumagai ,  Fumio Ohtomo ,  Kazuki Osaragi ,  Nobuyuki Nishita ,  Tetsuji Anai ,  Noriyasu Kiryuu

IPC: G01C15/00 ,  G01C9/20

Abstract: There is provided a surveying instrument including a monopod which is installed on a reference point, a surveying instrument main body which is provided at a known distance from a lower end of the monopod and a known angle with respect to an axis of the monopod, two auxiliary legs which extend downward from an middle portion of the monopod at a predetermined angle, wherein the surveying instrument main body comprises a distance measuring unit configured to measure a distance to an object to be measured, a measuring direction image pickup module configured to acquire an observation image including the object to be measured, an attitude detector configured to detect the tilts of the surveying instrument main body with respect to the horizontality, and an arithmetic control module, and wherein the surveying instrument main body is supported by three points by the monopod and the auxiliary legs.