The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2011
Filed:
Mar. 20, 2009
Applicants:
Kunihiro Hayashi, Itabashi-ku, JP;
Fumio Ohtomo, Itabashi-ku, JP;
Kaoru Kumagai, Itabashi-ku, JP;
Inventors:
Assignee:
Kabushiki Kaisha TOPCON, Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a surveying device, which comprises a light source for emitting a distance measuring light, an elevation rotary mirrorfor deflecting said distance measuring light in a direction toward an object to be measured, a high-speed deflection mirrorfor deflecting said distance measuring light at a speed higher than said elevation rotary mirror, a distance measuring light projecting unit for projecting said distance measuring light, and an arithmetic control unit for controlling driving of said high-speed deflection mirror and said elevation rotary mirror.