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. 20, 1999
Filed:
Feb. 06, 1998
James McLean, Austin, TX (US);
Gentry Crook, Austin, TX (US);
Tactical Systems Research, Inc., Austin, TX (US);
Abstract
A compact, broadband antenna derived from the inverted-F antenna configuration is disclosed. The tapered inverted-F antenna (TIFA) is able to generate high intensity electric fields with a physically small package size, making it particular useful for electromagnetic compatibility testing applications. This antenna derives its broadband characteristics from the combination of a number of unique features. The TIFA utilizes radiating elements that are broadband planar frames or planar sheets. The planar frames provide extended performance at low frequencies and may also include an interior lattice structure of various configurations. The novel use of triangular or 'bowtie' elements for the feed and shunt elements of the TIFA provides extended performance at high frequencies. When suitably configured and properly matched to a log-periodic dipole array, the antenna is capable of providing high intensity electric fields with a very wide useful bandwidth. The invention may be configured in either an unbalanced or a balanced configuration.