Title:
アンテナ装置
Document Type and Number:
Japanese Patent JP7424617
Kind Code:
B2
Abstract:
An antenna device includes a printed circuit board including a circuit configured to determine a position based on a navigation signal, and a dipole antenna element mounted on the printed circuit board and configured to receive the navigation signal. Further, the antenna device includes an L-shaped parasitic antenna element, wherein the dipole antenna element and a long-side element of the L-shaped parasitic antenna element are placed parallel to each other but at a position not in line with each other, and an end of a short-side element of the L-shaped antenna element is placed in close proximity to an end of the dipole antenna element.
Inventors:
Shun Hirano
Masato Tsuchiya
Shinya Yamamoto
Raita Nakanishi
Tomoyuki Kushita
Masato Tsuchiya
Shinya Yamamoto
Raita Nakanishi
Tomoyuki Kushita
Application Number:
JP2020013473A
Publication Date:
January 30, 2024
Filing Date:
January 30, 2020
Export Citation:
Assignee:
NEC Platforms, Ltd.
Daihatsu Motor Co., Ltd.
Daihatsu Motor Co., Ltd.
International Classes:
G01S19/35; H01Q9/16; H01Q19/22
Domestic Patent References:
| JP2012500395A | ||||
| JP2014522595A | ||||
| JP2004242277A |
Attorney, Agent or Firm:
Ken Ieiri