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:
Jan. 22, 2002
Filed:
Jun. 17, 1997
Samuel Munoz-Garcia, London, GB;
Shinichi Nomoto, Tokyo, JP;
Peter Poskett, Little Marlow, GB;
Dennis Mullins, London, GB;
Ben Hutchinson, Rockville, MD (US);
Patrick Chomet, London, GB;
Abstract
A communication station for generating or receiving an angularly dispersed array of radiation beams, comprising an array of radiating elements ( ) defining an array antenna ( ); and a beam former ( ), the beam former comprising a passive network having a first side (X) carrying a plurality of beam ports for electrical signals corresponding to the beams and a second side (Y) carrying a plurality of antenna ports corresponding to the radiating elements, each beam port being connected to a plurality of antenna ports via a network ( ) of power divider ( ) and phase shifter ( ) components, the phase shifts of which are in integer multiples of a predetermined constant, so as to generate the array of beams; in which the array antenna ( ) has triangular or hexagonal symmetry and the array of beams has triangular or hexagonal symmetry.