Title:
アンテナ及び窓ガラス
Document Type and Number:
Japanese Patent JP6923826
Kind Code:
B2
Abstract:
To provide excellent reception performance on a narrow area of an automotive window glass, it is provided an antenna to be arranged on a window glass of a vehicle, the antenna comprising: a core-side power feeding unit; an earth-side power feeding unit; a first element extending from the core-side power feeding unit; and a second element extending at an angle of approximately 90 degrees with respect to the first element from the core-side power feeding unit, the first element having a length of 3αλ/4+δ and the second element having a length of αλ/4-δ, or the first element having a length of 3αλ/4-δ and the second element having a length of αλ/4+δ, where λ refers to a wavelength of a reception frequency, α refers to a wavelength shortening rate of glass, and δ refers to an offset length for each of the first element and the second elements.
Inventors:
Kazuhito Oe
Mikiya Hirabayashi
Mikiya Hirabayashi
Application Number:
JP2019512369A
Publication Date:
August 25, 2021
Filing Date:
February 27, 2018
Export Citation:
Assignee:
Central Glass Co., Ltd.
International Classes:
H01Q1/32; H01Q1/22; H01Q9/42; H01Q19/02; H01Q21/24
Domestic Patent References:
| JP2011147102A | ||||
| JP2009253947A |
Attorney, Agent or Firm:
Fujio Patent Office