US 7,321,338 B2
On-board antenna
Satoru Komatsu, Saitama (Japan); Hiroshi Kuribayashi, Saitama (Japan); Tomoyuki Fukumaru, Saitama (Japan); Hiroshi Iijima, Osaka (Japan); Hideaki Oshima, Osaka (Japan); and Tatsuo Matsushita, Ibaraki (Japan)
Assigned to Honda Motor Co., Ltd., Tokyo (Japan)
Filed on Dec. 23, 2003, as Appl. No. 10/743,408.
Claims priority of application No. P2002-379994 (JP), filed on Dec. 27, 2002.
Prior Publication US 2004/0169605 A1, Sep. 02, 2004
Int. Cl. H01Q 1/48 (2006.01); H01Q 1/38 (2006.01); H01Q 1/32 (2006.01)
U.S. Cl. 343—846  [343/700 MS; 343/711] 8 Claims
OG exemplary drawing
 
1. An on-board antenna comprising:
a radiation element provided on a dielectric substrate;
a grounding conductor provided on the dielectric substrate and surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion; and
a conductive member provided on the dielectric substrate at a position spaced away outwardly from an outer edge portion of the grounding conductor,
wherein the radiation element, the grounding conductor, and the conductive member are provided on the same surface of the dielectric substrate.