BOARD-TYPE ANTENNA FOR GLOBAL POSITIONING SATELLITE SYSTEM

• Main Authors: KANEKO TSUTOMU, KARAKAMA TAKAHISA
• Format: Patent
• Language: English; Japanese
• Published: 07.04.2022
• Subjects: ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; ELECTRICITY

To provide an antenna that receives radio waves including the frequency of the L6 band unique to QZSS in order to realize the precise positioning of QZSS.SOLUTION: A board-type antenna 1 includes a first arc-shaped antenna element 22 and a second arc-shaped antenna element 24 to form an arc-shaped antenna element 20, each of the first arc-shaped antenna element 22 and the second arc-shaped antenna element 24 includes a plurality of junctions 34 that includes an integrated antenna element corresponding to three frequency bands from the outer peripheral portion to the inner peripheral portion of the arc-shaped antenna element 20, and a single antenna element corresponding to one frequency band arranged at a distance from the integrated antenna element, and to which the first arc-shaped antenna element 22 and the second arc-shaped antenna element 24 are bonded, and a coupling portion 30 to which the plurality of junctions 34 are coupled.SELECTED DRAWING: Figure 1 【課題】ＱＺＳＳの精密測位を実現するために、ＱＺＳＳ独自のＬ６帯の周波数を含めた電波を受信するアンテナを提供することを目的とする。【解決手段】基板型アンテナ１は、第１の円弧状アンテナ素子２２と第２の円弧状アンテナ素子２４とを含んで円弧状アンテナ素子２０が構成され、第１の円弧状アンテナ素子２２及び第２の円弧状アンテナ素子２４は、それぞれ、円弧状アンテナ素子２０の外周部から内周部に向けて、３つの周波数帯に対応する一体アンテナ素子と、一体アンテナ素子と間隔を隔てて配置される１つの周波数帯に対応する単体アンテナ素子と、を有し、第１の円弧状アンテナ素子２２と第２の円弧状アンテナ素子２４とがそれぞれ接合される複数の接合器３４と、複数の接合器３４が結合される結合部３０と、を有する。【選択図】 図１