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:
Jul. 03, 1979
Filed:
Mar. 22, 1978
Applicant:
Inventors:
David A Lucas, Crawley Down, GB;
Richard P Vincent, Crawley, GB;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
3431 / ;
Abstract
Method of determining the direction of a radio source, wherein, using a circular array of aerials, a sinusoidal phase graph is determined and the direction of the radio source relative to a reference direction is determined from one or more zero crossings of the phase graph.