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:
Feb. 15, 1994
Filed:
May. 14, 1992
Applicant:
Inventors:
Leon D Jackson, Bloomfield Hills, MI (US);
Dan O Morris, Troy, MI (US);
Assignee:
LDJ Electronics, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01R / ; G01R / ;
U.S. Cl.
CPC ...
324239 ; 324212 ; 324222 ;
Abstract
A method and apparatus are disclosed for measuring the magnetic properties of magnetic materials by generating flux lines through a balanced magnetic core and through a magnetic sample placed adjacent to the core. Increased sensitivity is accomplished through a modulation of the flux in the magnetic core which is measured and subsequently demodulated to yield an electrical signal corresponding to the magnetic properties of the material being tested.