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. 22, 1986
Filed:
Aug. 31, 1981
Applicant:
Inventor:
Archer D Munger, Scottsdale, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ; H01Q / ; H01Q / ;
U.S. Cl.
CPC ...
343373 ; 343742 ; 343845 ;
Abstract
An antenna having more than four elements positioned in a predetermined regular pattern with equal angles between adjacent elements and a mode former connected to the elements to shift signals from the elements by first equal electrical angles and superimposing the signals to provide a first output mode and shifting the signals by second equal electrical angles and superimposing the signals to provide a second output mode, the two output modes providing sufficient information to determine the direction of the radiated signal impinging on the antenna.