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. 16, 1983
Filed:
Jul. 13, 1981
Applicant:
Inventor:
Arthur E Maine, Kirkland, CA;
Assignee:
Aviation Electric Ltd., Montreal, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
33356 ; 33361 ;
Abstract
A magnetic sensor is disclosed which features an arrangement that relies upon the principle of a fixed, non-pendulous magnetic sensing device (2), which is rendered insensitive to the effect of the earth's vertical magnetic field component by means of an adjacent cooperating magnetic member (20) pendulously-supported to maintain its axis along the true vertical. Means (34, 44, 46, 48, 50) are disclosed whereby the magnetic field provided by the pendulously-supported magnetic member is automatically adjusted to cancel the earth's vertical field even when the latter changes for any reason.