Communications: radio wave antennas – Antennas – With vehicle
Reexamination Certificate
2007-06-05
2007-06-05
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
With vehicle
C343S711000
Reexamination Certificate
active
11182640
ABSTRACT:
A glass antenna device having an AM and FM antennas provided on a rear window glass panel on which a defogger is formed is provided, the sensitivity and directivity of the device being improved. The device comprises a defogger provided on a rear window glass panel of the motor vehicle, an AM antenna provided in a space other than the defogger on the rear window glass panel, an FM antenna provided in a space between the defogger and the AM antenna on the rear window glass panel, a two-input amplifier for amplifying signals received by the AM and FM antennas, an AM lead wire for connecting between a feeding terminal of the AM antenna and the amplifier, an FM lead wire for connecting between a feeding terminal of the FM antenna and the amplifier, and an inductor inserted in the AM lead wire near to the AM feeding terminal.
REFERENCES:
patent: 6215450 (2001-04-01), Oka
patent: 6229493 (2001-05-01), Iijima
patent: 2003-500870 (2003-07-01), None
Baba Yuji
Tokuda Tatsumi
Nguyen Hoang V.
Nippon Sheet Glass Company Limited
RatnerPrestia
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