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:
Mar. 18, 2003
Filed:
Jan. 19, 2001
Michael John Brady, Brewster, NY (US);
Thomas Anthony Cofino, Rye, NY (US);
Dah-Weih Duan, Yorktown Heights, NY (US);
Daniel J. Friedman, Tarrytown, NY (US);
Harley Kent Heinrich, Brewster, NY (US);
Venkata S. R. Kodukula, Yorktown Heights, NY (US);
Michael Brent Madrid, Albuquerque, NM (US);
Paul Andrew Moskowitz, Yorktown Heights, NY (US);
Philip Murphy, New Fairfield, CT (US);
Michael Louis Pinch, Albuquerque, NM (US);
Dale Larry Scott, Albuquerque, NM (US);
Intermec IP Corp., Woodland Hills, CA (US);
Abstract
The present invention provides an RF tag having an antenna that can be selectively tuned to achieve optimal performance. The RF tag comprises an RF transponder integrated circuit and an antenna connected to the RF transponder integrated circuit. The antenna includes components such as tuning stubs and loading bars that are physically alterable to selectively vary the performance characteristics of the antenna. The tuning stub and loading bar may each further comprising a variably selectable length having elements that may be removed by punching, cutting, etching, laser trimming or other process. The antenna may further comprise a leadframe or a flexible substrate.