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:
Apr. 04, 2000
Filed:
May. 28, 1997
Applicant:
Inventors:
Dean Kitchener, Brentwood, GB;
Martin Stevens Smith, Chelmsford, GB;
James Edward Dalley, North Weald, GB;
Assignee:
Nortel Networks Corporation, Montreal, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343725 ; 343702 ; 343846 ;
Abstract
A wireless subscriber terminal having an improved performance is disclosed. The terminal 12 comprises: a quarter wavelength monopole first antenna 14; a folded monopole second antenna; and a ground plane having a surface 18 angled with respect to the horizontal, wherein the ground plane has an axis a quarter of a wavelength long extending from a feed point for the first antenna and is electrically symmetrical about the axis. Mutual coupling effects between the first antenna and the second antenna are reduced. A method of operation is also disclosed.