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:
Feb. 14, 2023
Filed:
Sep. 28, 2021
Nissei Limited, Tokyo, JP;
Faverights, Inc., Nagano, JP;
Tutomu Kaneko, Tokyo, JP;
Takahisa Karakama, Nagano, JP;
Nissei Limited, Tokyo, JP;
Faverights, Inc., Nagano, JP;
Abstract
Provided is an antenna for receiving radio waves including frequencies in the L6 band unique to QZSS to realize accurate positioning by QZSS. A substrate-type antennacomprises an arcuate antenna elementincluding a long arcuate antenna elementand a short arcuate antenna element, each of which includes an integral antenna element compatible with three frequency bands and a single antenna element compatible with one frequency band and arranged with a space from the integral antenna element. Each of the integral antenna element and the single antenna element extends from an outer peripheral part of the arcuate antenna element toward an inner peripheral part thereof. The substrate-type antennafurther comprises a plurality of connection unitsconnected to the long arcuate antenna elementand the short arcuate antenna element, respectively, and a couplerto which the plurality of connection unitsis coupled.