Alps Alpine Co., Ltd.

Makoto Shigihara

Shinji Murata

A microstrip antenna includes a dielectric substrate, a ground electrode provided on a first surface of the substrate, an antenna element including a plurality of radiating elements on a second surface of the substrate opposite the first surface so as to extend parallel to one another and a connecting element provided on the second surface to extend in a direction intersecting with the radiating elements and connect the radiating elements, a feed line including a first end portion connected to a portion of the endmost radiating element in plan view, where the portion is located on an extension of the connecting element, and a second end portion provided on a side surface of the substrate between the first and second surfaces to receive power, and a connection line including a section located on the side surface along the feed line and connecting the endmost radiating element to the ground electrode.

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Miyagi-ken, Japan

Makoto Shigihara