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:
Feb. 10, 2004
Filed:
Mar. 21, 2001
Applicant:
Inventors:
Yasuhito Haijima, Tokyo-to, JP;
Takaaki Yamazaki, Tokyo-to, JP;
Assignee:
Kabushiki Kaisha Topcon, Tokyo-to, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 1/02 ;
U.S. Cl.
CPC ...
G01C 1/02 ;
Abstract
A laser survey instrument, comprising a laser projector for projecting a laser beam onto a plane by rotary irradiation, a tilting unit for tilting the laser projector in two directions running perpendicularly each other and a tilt setting unit for setting a desired tilt angle for the laser projector at least in one direction, wherein the tilt setting unit comprises a tilt sensor for detecting a horizontal position and an angle detector for detecting an angle between the tilt sensor and the laser projector.