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. 26, 2004
Filed:
Jun. 06, 2002
Vivek Bhalchandra Nadkarni, Sunnyvale, CA (US);
Trimble Navigation, Ltd., Sunnyvale, CA (US);
Abstract
A method for substituting at least one high quality position measurement with a set of upgraded low quality position measurements comprising the steps of: selecting a high quality source of position measurements of an object; obtaining at least one high quality position measurement of the object by using the high quality source; wherein each high quality position measurement of the object satisfies the threshold of acceptability requirement for the object; saving at least one high quality position measurement of the object taken at at least one high quality epoch timing coordinate; selecting a low quality source of position measurements of the object; obtaining at least one low quality position measurement of the object using the low quality source; if at least one high quality position measurement of the object is available and substantially recent, using at least one high quality position measurement of the object for navigation purposes of the object; if each high quality position measurement of the object is unavailable, or is available but is not substantially recent, upgrading at least one low quality position measurement of the object by using at least one high quality position measurement of the object to obtain at least one upgraded low quality position measurement that satisfies the threshold of acceptability requirement for the object; and using at least one upgraded low quality position measurement of the object that satisfies the threshold of acceptability requirement for the object in place of at least one high quality position measurement for navigation purposes of the object.