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:
Apr. 15, 2003
Filed:
Mar. 07, 2001
Jim Green, Los Altos Hills, CA (US);
Richard Williams, West Melton, NZ;
Trimble Navigation Limited, Sunnyvale, CA (US);
Abstract
An integrated position and direction system is disclosed that includes a digital compass and a satellite positioning system having a receiver adapted to receive satellite position determining signals. Signals that are received from satellites are used to determine position of the integrated position and direction system. The orientation of the satellites relative to the determined position and relative to the orientation of the integrated position and direction system is then determined. In one embodiment, direction determined using the digital compass is used to determine the orientation of the satellites relative to the determined position and relative to the orientation of the integrated position and direction system. Alternatively, heading is used to determine the orientation of the satellites relative to the determined position and relative to the orientation of the integrated position and direction system. In one embodiment the direction of movement or “heading” determined by the SATPOS is used to orient the displayed skyplot when the SATPOS is moving, and the direction given by the digital compass is used to orient the displayed skyplot when the SATPOS is not moving.