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:
May. 12, 2020
Filed:
Apr. 05, 2019
Anritsu Corporation, Kanagawa, JP;
Takashi Kawamura, Kanagawa, JP;
Masaaki Fuse, Kanagawa, JP;
ANRITSU CORPORATION, Kanagawa, JP;
Abstract
To provide a calibration system and a calibration method capable of measuring the amplitude and the phase of the radio signal on the electromagnetic radiation surface of the measured antenna, even in the case where the interval between antenna elements is narrow. The calibration systemincludes: an antenna control unitthat selects and excites a combination of antenna elements from among a plurality of antenna elements provided in the measured antennaand thereafter selects and excites another combination of antenna elements; and a probe antennathat receives an electromagnetic wave of the radio signal transmitted from the combination of the antenna elements at a plurality of measurement positions set within a predetermined measurement plane P of the near field area of the measured antenna, each time a combination of the antenna elements selected by the antenna control unitare switched.