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:
Dec. 08, 2020
Filed:
Mar. 15, 2019
Denso Ten Limited, Kobe, JP;
DENSO TEN Limited, Kobe-shi, JP;
Abstract
An antenna device includes: an antenna unit provided as a conductive pattern on a substrate; and a propagation preventive unit which is provided adjacent to the antenna unit and prevents propagation of radiation waves of the antenna unit along the substrate, and the propagation preventive unit is provided as a conductive pattern on the substrate, has plural patches arranged in a prescribed pattern, and has, at an end on a side of the antenna unit, a stepped structure in which a distance from a position of the antenna unit to one of the patches closest to the position of the antenna unit varies by a prescribed interval every time the position in an extension direction of a feed line of the antenna unit is changed by a prescribed distance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile