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. 06, 2020
Filed:
Feb. 02, 2018
Nec Corporation, Tokyo, JP;
Toshihide Kuwabara, Tokyo, JP;
NEC CORPORATION, Minato-ku, Tokyo, JP;
Abstract
A phase shifter () is provided corresponding to an antenna element constituting an array antenna and is configured to change a phase of a radio frequency signal to be transmitted or received by a corresponding antenna element. The phase shifter () includes a first distributor () configured to distribute the radio frequency signal input thereto into a plurality of first distributed signals having mutually different phases; second distributors () provided corresponding to the first distributed signals, the second distributors each being configured to distribute a corresponding one of the first distributed signals into a plurality of second distributed signals having mutually different amplitudes; a controller () configured to control on/off of the second distributed signals; and a combiner () configured to combine the second distributed signals that are controlled on by the controller ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile