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:
Nov. 02, 2004
Filed:
Mar. 23, 2001
Applicant:
Inventors:
James Thomas Edward McDonnell, Bristol, GB;
Andrew Thomas, Los Altos, CA (US);
Michael P. Spratt, Bristol, GB;
John Deryk Waters, Bath, GB;
Simon E. Crouch, Bristol, GB;
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/02 ;
U.S. Cl.
CPC ...
G01S 3/02 ;
Abstract
A method and device is provided for obscuring the location of a mobile entity to a specified accuracy level. Available location data that has a known accuracy greater than the specified accuracy has its accuracy decreased (85) by combining with the components of the available location data, additional components randomized over a range set by the difference between the known accuracy of the available location data and the specified accuracy level.