G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 5/00 (2006.01)
Patent
CA 2748445
A surveying system comprises a plurality of rotary laser devices (1a, 1b), being installed at known points, for projecting laser beams (3a, 3b) in rotary irradiation and for forming laser reference planes (RPa, RPb) respectively, a photodetecting device (5), being installed on a movable support member (4), for receiving the laser beam and for detecting a height of each of the laser reference planes at their photodetecting position, a coordinate position measuring device (6) for detecting coordinate position of the support member, and a control device (7), wherein the rotary laser devices form the laser reference planes in such manner that at least a part of each effective range of the laser reference planes is overlapped on each other, the control device sets up a smoothing area within a range where the effective ranges are overlapped on each other, and in case the support member is judged to be within the smoothing area, based on a result of measurement by the coordinate position measuring device, the control device carries out smoothing processing of the laser reference plane continuously by the smoothing reference plane in the smoothing area based on the result of measurement by the coordinate position measuring device and also based on the result of detection by the photodetecting device.
Hayashi Kunihiro
Kamizono Fumihiko
Deeth Williams Wall Llp
Kabushiki Kaisha Topcon
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