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:
Mar. 25, 2003
Filed:
Jul. 09, 2001
Applicant:
Inventor:
Zsolt Barna, Budapest, HU;
Assignee:
Smarteq Wireless AB, Enebyberg, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ;
U.S. Cl.
CPC ...
H01Q 1/24 ;
Abstract
An adapter antenna ( ) is used for contactless connection of a mobile telephone ( ) to an external antenna ( ) in case the telephone lacks a connector for coaxial cable ( ) for such a purpose. The most common application is when a mobile telephone is to be used in a vehicle. Transfer of radio waves occurs in the near field of the built-in antenna ( ) of the telephone by capacitive coupling. One preferred embodiment especially suited for plane inverted antennae of type L, E or F is described. An optimizing method for two frequency bands is described.