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:
Mar. 25, 2003
Filed:
Apr. 20, 2001
Applicant:
Inventors:
Thomas P. Holden, Sunnyvale, CA (US);
Jeffrey A. Hamilton, Redwood Valley, CA (US);
Assignee:
Trimble Navigation Ltd., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 ; G01C 2/100 ;
U.S. Cl.
CPC ...
G01S 5/02 ; G01C 2/100 ;
Abstract
A system and method for monitoring interaction between a stationary object and multiple mobile units are described. Positioning data is received from one or more mobile units. Positioning data is processed to retrieve a position of each mobile unit. Finally, one or more warning devices are activated based on a predetermined set of criteria related to the position.