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. 16, 1985
Filed:
Apr. 21, 1983
Applicant:
Inventors:
Prakash Bhartia, Ottawa, CA;
Inder J Bahl, Roanoke, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
3437 / ; 343745 ;
Abstract
A microstrip antenna is disclosed consisting of a flat metallic patch spaced from the ground plane. To increase the bandwidth of the antenna a pair of varactor diodes are provided positioned at opposite sides of the patch and connected between it and the ground plane.
Bhartia, Prakash. (1985). Broadband microstrip antennas with varactor diodes (U.S. Patent No. 4529987). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4529987
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile