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:
Oct. 16, 2001
Filed:
Jan. 20, 1999
Applicant:
Inventors:
Assignee:
Metso Paper Automation, Inc., Tampere, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 7/14 ;
U.S. Cl.
CPC ...
G01B 7/14 ;
Abstract
The invention relates to a method and an apparatus for defining the position of an actuator. The position of the actuator (,) is measured by a measuring signal (,) proportional to the rotation of a shaft (,) of the actuator (,). The measuring signal (,) comprises successive pulses. The intervals between the pulses are divided into parts, and the position of the actuator (,) between the pulses is defined utilizing the parts of the divided pulse intervals.