On-board antenna device

Details On-board antenna device On-board antenna device

2007-05-23

2009-08-18

Le, HoangAnh T (Department: 2821)

Communications: radio wave antennas

Antennas

With vehicle

C343S7000MS

Reexamination Certificate

active

07576700

ABSTRACT:
An on-board antenna device, comprises a radiation element (22) formed on an inner-surface of a window glass (51) for a vehicle (50), a base plate (405) having an opening, the base plate (405) being fixed on the inner-surface of the window glass (51) so as to surround the radiation element (22), and a housing (27) assembled onto the base plate (405), the housing (27) having an opening surrounding the radiation element, wherein the base plate has four leakage prevention walls (405b, 405c, 405dand405e) and each of four leakage prevention walls (405b, 405c, 405dand405e) has a surface substantially parallel to each of four sidewalls (430b, 430c, 430dand430e) of the housing (27).

REFERENCES:
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patent: 6522291 (2003-02-01), Noguchi et al.
patent: 7248222 (2007-07-01), Iijima et al.
patent: 2002/0029893 (2002-03-01), Toyoda et al.
patent: 2005/0225489 (2005-10-01), Aizawa et al.
patent: 2008/0297422 (2008-12-01), Ishida
patent: 1 617 508 (2006-01-01), None
patent: 1 633 015 (2006-03-01), None
patent: 2006013957 (2006-01-01), None
patent: WO 99/63317 (1999-12-01), None
European Search Report Jul. 31, 2007.

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