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:
Jul. 04, 1995
Filed:
Nov. 16, 1992
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235449 ; 235493 ;
Abstract
A process in which by a bar code formed by bars are gaps located between them with different electromagnetic characteristics, an electromagnetic alternating field is produced and a measuring field variable by the bar code is detected. At lease one sensor is provided with a sensor core, an exciting coil subject to high frequency located thereon and in each case at least one sensor coil closely adjacent to the exciting coil. The bar code is formed by electrically conductive material bars placed on a carrier with gaps.