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.

Date of Patent:
Dec. 02, 2008

Filed:

Dec. 20, 2006
Applicants:

David P. Tester, Swindon, GB;

Stephen P. Graham, Henley-on-Thames, GB;

Nigel J. Tolson, Reading, GB;

Ian G. Watson, Swindon, GB;

Inventors:

David P. Tester, Swindon, GB;

Stephen P. Graham, Henley-on-Thames, GB;

Nigel J. Tolson, Reading, GB;

Ian G. Watson, Swindon, GB;

Assignee:

Air Semiconductor, Ltd., Wiltshire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of variable rate measurements in a device. The method generally includes the steps of (A) generating an intermediate signal conveying both a position of the device and a velocity of the device in response to a plurality of navigation signals received from external the device, (B) calculating an extrapolated position of the device at a second time based on the position and the velocity both measured at a first time, (C) adjusting an interval between the second time and a third time in response to a difference between the extrapolated position and the position measured at the second time and (D) generating a position signal conveying the position and the velocity, wherein the third time occurs after the second time and the second time occurs after the first time.


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