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:
Mar. 04, 2008
Filed:
Feb. 04, 2000
Donald C. D. Chang, Thousand Oaks, CA (US);
William W. Mayfield, Torrance, CA (US);
John I. Novak, Iii, West Hills, CA (US);
Frank A. Taormina, El Segundo, CA (US);
Donald C. D. Chang, Thousand Oaks, CA (US);
William W. Mayfield, Torrance, CA (US);
John I. Novak, III, West Hills, CA (US);
Frank A. Taormina, El Segundo, CA (US);
The DIRECTV Group, Inc., El Segundo, CA (US);
Abstract
A low cost and low profile antenna for commercial use, either in a fixed or mobile condition is disclosed. The antenna has a generally flat circular plate that rotates to seam the azimuth direction. A plurality of radiation elements are positioned on the surface of the circular plate. The received signals are multiplexed, digitally converted, digitally beamformed, and then transferred to a digital receiver.