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. 18, 1995
Filed:
Nov. 30, 1993
Steven C Albers, Shoreview, MN (US);
Timothy J Callaghan, Roseville, MN (US);
Honeywell Inc., Minneapolis, MN (US);
Abstract
A screening method for a ring laser gyro capable of more accurately predicting the gyro's angular random walk upon completion of the built process is disclosed. A strong correlation exists between the angular random walk and a scale factor pulling term. Scale factor pulling is equivalent to the scale factor deviation measured at two rotational rates plus a positive scale factor correction term and is indicative of the effect of lockin on the scale factor. This screening method allows the removal of high ARW units from the production line at a point early on in their processing. By removing these gyros at this point in processing, unnecessary production steps and unnecessary value added operations are eliminated.