The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2007
Filed:
Jul. 15, 2005
Yuji Baba, Minato-ku, JP;
Tatsumi Tokuda, Minato-ku, JP;
Yuji Baba, Minato-ku, JP;
Tatsumi Tokuda, Minato-ku, JP;
Nippon Sheet Glass Company, Limited, Tokyo, JP;
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.