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. 08, 2002
Filed:
Sep. 05, 2000
Bruce Bishop, Aptos, CA (US);
Rangestar Wireless, Inc., Aptos, CA (US);
Abstract
A printed antenna comprises an elongate first dipole half element provided on one side of a dielectric substrate. The first dipole half element is end-fed via a microstrip transmission line. A second dipole half element is provided on the opposite side of the dielectric substrate. The second dipole includes first and second elongate elements disposed one on each side of the longitudinal axis of the first dipole half element as viewed through the substrate. The first and second elements are a quarter of a wavelength long and are parallel to the first dipole half element. A ground plane on the second side of the substrate is coupled to the first and second elongate elements at a distance from a free end of the first dipole half element corresponding substantially to a quarter wavelength of the frequency of interest.