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:
Dec. 16, 2003
Filed:
Jul. 25, 2002
Applicant:
Inventor:
Olaf Machul, Freiburg, DE;
Assignee:
Sick AG, Waldkirch/Breisgau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 7/14 ; G01B 7/00 ;
U.S. Cl.
CPC ...
G01B 7/14 ; G01B 7/00 ;
Abstract
An inductive proximity switch includes an electrical resonant circuit and an energy source coupled therewith to compensate for losses in the resonant circuit. The energy source is fully differentially coupled with the resonant circuit at the input side.