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:
Oct. 29, 2019
Filed:
Nov. 20, 2015
Hitachi Metals, Ltd., Tokyo, JP;
Tomoyuki Ogawa, Tokyo, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A power feed circuit for feeding power to first through fifth antenna elements sequentially arranged in a horizontal direction includes a 90-degree hybrid circuit including two input terminals and two output terminals, an equal distribution circuit that the power-feed signal output from one of the output terminals is equally distributed and output to the second and fourth antenna elements, and a distribution circuit that power-feed signal output from the other of the output terminals is distributed and output to the first, third and fifth antenna elements. The distribution circuit distributes such that electrical power output to the first and fifth antenna elements is equal and that a sum of electrical power output to the first and fifth antenna elements is not more than that output to the third antenna element. A phase-inverted power is fed to the third antenna element and either one of the second and fourth antenna elements.