Yokowo Co., Ltd.

Atsushi Ubukata

Seiji Go

Noriyoshi Nakada

Takuma Sawaya

Tokumitsu Hanita

Provided is an antenna device capable of simplifying a structure while preventing degradation of antenna performance even with an upright type double-case structure. An antenna device having a double-case structure includes an inner case inside of which a housing space is formed so as to house a coil element and the like therein, the inner case being covered with an outer case. An antenna element is provided between an outer surface of the inner case and an inner surface of the outer case. The antenna element is electrically connected to the coil element provided in the housing space while keeping water-tightness of the housing space.

Antenna device

An antenna unit includes a base having a base-side fitting portion, antenna elements disposed on the base, an inner case fixed to the base and covering the antenna elements, and an outer case mounted on the base covering the inner case. The outer casehas an outer-case-side fitting portion fitted to the base-side fitting portion.

Growing community of inventors

Gunma, Japan

Atsushi Ubukata