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:
Jan. 26, 1999
Filed:
Dec. 19, 1996
Alain Berthon, Cagnes Sur Mer, FR;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A ring antenna (10) for resonant circuits for identifying metallic containers has an annular core (11) having at least one core surface (11a') corresponding to at least one surface of the container and made from ferrite. The core may be U-shaped, having a base portion and a first and second arm portions, or L-shaped, having a base portion and a first arm portion (11a). The antenna (10) also has a copper wire coil (12) wound around a first portion of the core; and an aluminum shield (13) affixed to the at least one core surface (11b') and separating the core from the surface of the container. Further, a interrogation system for identifying metallic containers includes the ring antenna (10) coupled to a resonant circuit (86) included in a transponder or a reader.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile