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. 21, 2001
Filed:
Mar. 29, 1999
Applicant:
Inventor:
Christian Schott, Morges, CH;
Assignee:
Sentron AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/307 ; H01L 4/306 ; H01L 2/982 ;
U.S. Cl.
CPC ...
G01R 3/307 ; H01L 4/306 ; H01L 2/982 ;
Abstract
A magnetic field sensor for measurement of the three components (B,, B,, B,) of a magnetic field comprises a Hall-effect element (,) and an electronic circuit (,). The Hall-effect element (,) comprises an active area (,) of a first conductivity type which is contacted with voltage and current contacts (,or,). Four voltage contacts (,) are present which are connected to inputs of the electronic circuit (,). By means of summation or differential formation of the electrical potentials (V,, V,, V,, V,) present at the voltage contacts (,), the electronic circuit (,) derives three signals (V,, V,, V,) which are proportional to the three components (B,, B,, B,) of the magnetic field.