DIRECTIVITY CONTROL ANTENNA

DIRECTIVITY CONTROL ANTENNA

PROBLEM TO BE SOLVED: To provide a directivity control antenna which can induce directivity and reduce the size of an overall antenna. SOLUTION: The directivity control antenna is provided with a circular dielectric substrate 11 and reactance variable circuits 40 (40A, B, C, D). The circular dielect...

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1. Verfasser: TAKEHARA MASAHIKO
Format: Patent
Sprache:eng
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ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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creator TAKEHARA MASAHIKO
description PROBLEM TO BE SOLVED: To provide a directivity control antenna which can induce directivity and reduce the size of an overall antenna. SOLUTION: The directivity control antenna is provided with a circular dielectric substrate 11 and reactance variable circuits 40 (40A, B, C, D). The circular dielectric substrate includes a front surface on which there are provided a power feeding patch 14 that is a radiator, and a plurality of arcuate cavity resonators 15 (15A, B, C, D) concentrically disposed around the power feeding patch 14 and being non-excited elements electromagnetically coupled to the power feeding patch 14. The reactance variable circuits are provided at the rear surface side of the circular dielectric substrate 11 and mounted to each of the plurality of arcuate cavity resonators. COPYRIGHT: (C)2010,JPO&INPIT
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
title DIRECTIVITY CONTROL ANTENNA
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