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:
May. 04, 2010
Filed:
Aug. 13, 2007
Applicant:
David Emery, Charlotte, NC (US);
Inventor:
David Emery, Charlotte, NC (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/11 (2006.01); G01R 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A metal detector transmitting high current pulses and employing the high voltage back EMF signals which occur at their termination. The method employed uses a resonant tuned receive coil which provides a major improvement in the depth of detection of metallic objects and interference rejection over current time and frequency domain metal detectors.