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:
Sep. 15, 2020
Filed:
May. 23, 2018
Murata Manufacturing Co., Ltd., Kyoto, JP;
Kazunari Kawahata, Kyoto, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A Luneburg lens antenna device includes a Luneburg lens and an array antenna. The Luneburg lens is formed in a cylindrical shape, and the Luneburg lens includes three dielectric layers through having different dielectric constants and stacked on each other in the radial direction. The array antenna includes plural antenna elements disposed on an outer peripheral surface of the Luneburg lens and at different positions of focal points in the peripheral direction and in the axial direction of the Luneburg lens. The array antenna is provided in a range which is ½ or smaller of the entire range of the Luneburg lens in the peripheral direction.