logo

For the Inventor, By the Inventor

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.:

US 4658264 B1

PDFFull Text
Date of Patent:
Apr. 14, 1987

Filed:

Nov. 09, 1984

Folded rf marker for electronic article surveillance systems

Applicant:
Inventor:

Dennis L Baker, St. Joseph Township, St. Croix County, WI (US);

Assignee:

Minnesota Mining and Manufacturing Company, St. Paul, MN (US);

Attorneys:

Sell; Donald M.

Smith; James A.

Barte; William B.

Primary Examiner:

Eli Lieberman

Int. Cl.
CPC ...
H01Q / ; H03H / ;
U.S. Cl.
CPC ...
343895 ; 540572 ;
Abstract

A tuned resonant circuit including inductive and capacitive components useful as a marker in electronic article surveillance systems, comprising a laminate of a dielectric sheet having a conductive layer on one side configured to form at least one multi-turn inductive spiral. The sheet is folded back upon itself at a fold line which is precisely defined by spaced apart areas of the conductive layer such that desired portions of the layer become precisely and uniformly juxtaposed.

Find Patent Forward Citations

Baker, Dennis. (1987). Folded rf marker for electronic article surveillance systems (U.S. Patent No. 4658264). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4658264

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…