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:
Jan. 14, 2020
Filed:
Dec. 21, 2015
Nec Corporation, Tokyo, JP;
Takahide Yoshida, Tokyo, JP;
NEC CORPORATION, Minato-ku, Tokyo, JP;
Abstract
An object of the present invention is to provide an antenna device having a wide beam scan range with reduced loss. The antenna device according to one aspect of the present invention includes: a first phase shifter, a second phase shifter, and a third phase shifter; a first connection part that electrically connects between the first phase shifter and the second phase shifter directly in series; a second connection part that electrically connects between the second phase shifter and the third phase shifter directly in series; and a power feed part that feeds electric power to the first phase shifter to the third phase shifter, wherein the first phase shifter and the second phase shifter, and the second phase shifter and the third phase shifter respectively have characteristic impedance being discontinuous with respect to each other at the first connection part and the second connection part.