发明授权
- 专利标题: Surveying instrument
- 专利标题(中): 测量仪器
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申请号: US12315287申请日: 2008-12-02
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公开(公告)号: US08184267B2公开(公告)日: 2012-05-22
- 发明人: Kaoru Kumagai , Masahiro Saito
- 申请人: Kaoru Kumagai , Masahiro Saito
- 申请人地址: JP Tokyo-to
- 专利权人: Kabushiki Kaisha TOPCON
- 当前专利权人: Kabushiki Kaisha TOPCON
- 当前专利权人地址: JP Tokyo-to
- 代理机构: Nields, Lemack & Frame, LLC
- 优先权: JP2007-323117 20071214
- 主分类号: G01C3/14
- IPC分类号: G01C3/14
摘要:
The present invention provides a surveying instrument provided with a tracking function, said surveying instrument comprising a first image pickup means 40 with a first solid image pickup element 33, a second image pickup means 37 with a second solid image pickup element 19, an image pickup control instrument for controlling image pickup conditions of said first image pickup means and said second image pickup means, and a control unit for controlling the tracking operation of a target 36 based on a target image signal obtained at the first solid image pickup element or based on a target image signal obtained at the second solid image pickup element, wherein the first image pickup means can acquire an image in wider range by said second image pickup means, and wherein the image pickup control instrument controls so that a target image is acquired by the first image pickup means when the target image is out of a photodetection range of the target of the second solid image pickup element and controls so that the target image is acquired by the second image pickup means when the target image detected by the first solid image pickup element is within the predetermined range.
公开/授权文献
- US20090153667A1 Surveying instrument 公开/授权日:2009-06-18