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:
Jul. 07, 1992
Filed:
May. 24, 1990
Masao Shinnai, Matsusaka, JP;
Kazuya Nishikawa, Matsusaka, JP;
Tokio Tsukada, Matsusaka, JP;
Tohru Hiroysu, Matsusaka, JP;
Central Glass Company, Limited, Ube, JP;
Abstract
The invention relates to an antenna attached to a vehicle roof glass, i.e. a glass plate fitted in an opening of the roof of a vehicle body such as an automobile body, for receiving FM radio and TV broadcast waves in both the VHF band and the UHF band. Essentially the antenna is comprised of a main element which is a conductive strip attached to the roof glass and bent so as to make a closed plane figure, a feed point attached to the roof glass and a connection line which connects the main element to the feed point and extends parallel or nearly parallel to the longitudinal center axis of the vehicle body. The total length of the main element is from 200 to 1500 mm. For example, the main element makes a rectangle in a central region of the roof glass with two opposite sides of the rectangle parallel to the aforementioned center axis. Optionally the antenna may include an auxiliary element which is a conductive strip attached to the roof glass and connected to the feed point. For example, auxiliary element may be an angled segment which makes two or three sides of a rectangle.