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:
Aug. 03, 1993
Filed:
Jul. 25, 1991
Shinichi Kuroda, Saitama, JP;
Ichiro Toriyama, Kanagawa, JP;
Noboru Ono, Tokyo, JP;
Koji Maruyama, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A matching device for an antenna in which is interposed between an antenna of narrow frequency band and a feeding line so as to match the antenna and the feeding line over a wide band, includes a high impedance line of a first predetermined length provided at the antenna side and a low impedance line of a second predetermined length provided at the feeding line side that are connected in series, whereby the matching device can be made small in size and simple in construction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile