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:
Aug. 22, 2006
Filed:
Mar. 11, 2004
Applicants:
James W. Thompson, Mineral Wells, TX (US);
William C. Wood, Fort Worth, TX (US);
Inventors:
James W. Thompson, Mineral Wells, TX (US);
William C. Wood, Fort Worth, TX (US);
Assignee:
Tempo Research Corporation, Vista, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/11 (2006.01); G01V 3/165 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of and system for locating a single passive underground marker type may distinguish false indications caused by other marker types. In accordance with aspects of the present invention, minimization or elimination of false marker indications may be accomplished by processing the response from a marker to determine which frequency has the largest response.