Title:
ANTENNA DEVICE AND GLASS ANTENNA
Document Type and Number:
Japanese Patent JP3960284
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an antenna device which has wideband properties to easily tune to a desired frequency band, and a glass antenna using the same.
SOLUTION: The antenna device composed of a conductor pattern comprises: (a) an approximately U-shaped antenna element which is composed of a first side, a second side and a third side and in which one end of the first side is connected to a power feeding point, the other end of the first side and one end of the second side are connected, the other end of the second side and one end of the third side are connected and the other end of the third side is grounded; (b) a ground means which is connected with the antenna element to close an open section between one end of the first side and the other end of the third side in a part of the outer periphery; and (c) a diagonal antenna element that connects the power feeding point and the junction of the second and third sides.
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Inventors:
Yoshiaki Minami
Application Number:
JP2003311425A
Publication Date:
August 15, 2007
Filing Date:
September 03, 2003
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01Q1/32; H01Q1/22; H01Q1/38; H01Q9/04; H01Q9/38; H01Q9/46; (IPC1-7): H01Q1/32; H01Q1/22; H01Q1/38; H01Q9/04; H01Q9/38; H01Q9/46
Attorney, Agent or Firm:
Tadahiko Ito
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