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:
Jul. 27, 2010
Filed:
Dec. 08, 2005
Applicants:
Mikael Hertzman, Sollentuna, SE;
Thomas Klang, Åkersberga, SE;
Inventors:
Mikael Hertzman, Sollentuna, SE;
Thomas Klang, Åkersberga, SE;
Assignee:
Trimble AB, Danderyd, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed methods and apparatus for compensated measurement of angular displacement within an instrument (), such as a total station. Improved and compensated measurement of angular displacement is obtained by using a combination of e.g. an angular resolver () and an inertial sensor (). A compensated angular position measurement is produced by combining at least portions of the output signals obtained from the angular resolver and the inertial sensor, respectively.