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:
Sep. 12, 1989
Filed:
Jan. 11, 1988
Applicant:
Inventor:
Stephen I Parks, Derwood, MD (US);
Assignee:
EG&G Astrophysics Research Corporation, Wellesley, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340551 ; 324243 ; 340572 ;
Abstract
A coil for a metal detector is constructed from a ribbon cable having a plurality of spaced parallel conductors. The ribbon is formed into a loop where its opposing ends confront each other. The conductors are joined in an off-set manner at the end of the cable to form a single conductor into a loop. Various configurations of coil placement are shown to compensate for various external disturbances such as nearby metal objects, for example.