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:
Sep. 11, 2007
Filed:
Apr. 14, 2005
Yoshinobu Tsurume, Tokyo, JP;
Hitoshi Kakizawa, Tokyo, JP;
Yoshinobu Tsurume, Tokyo, JP;
Hitoshi Kakizawa, Tokyo, JP;
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Abstract
A high frequency and broad band glass antenna for automobiles has a strong directivity in one direction even if the antenna is provided near to the mental portion of a body. The antenna comprises an antenna line provided near to the metal portion of a body, one end of the antenna line neighboring the metal portion being fed; and a parasitic line positioned near to the antenna line for adjusting a directivity and a frequency characteristic of reception sensitivity of the glass antenna. The antenna line consists of a straight antenna line has the length (λ/4)κ. The parasitic line extends in parallel with the antenna line and consists of at least one straight conductor line having the length of (λ/8)κ. The length that the conductor line overlaps with the antenna line is (λ/8)κ. The distance between the conductor line and the antenna line is (λ/64)κ.