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. 20, 1987
Filed:
Nov. 05, 1982
Dennis J Eggert, Hermosa Beach, CA (US);
Charles E Hendrix, Pacific Palisades, CA (US);
Barnet Krinsky, Torrance, CA (US);
Hughes Aircraft Company, Los Angeles, CA (US);
Abstract
A two-dimensional, long baseline (D) direction finding interferometer (12) is provided for obtaining unambiguous spatial position of an object. The interferometer comprises four antenna receiving means, (A1, A2, A3, A4) which are arranged in a two-dimensional, planar fashion. Three of the antenna means (A1, A2, A3) are positioned on two orthogonal axes (D, D.sub.2). The remaining antenna (A4) means is positioned on a third axis (D.sup.1) which is arranged asymmetrically and nonorthogonally to the orthogonal axes, whereby the unambiguous spatial position of the object is determined.