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:
Feb. 20, 2001
Filed:
Mar. 18, 1999
Harvey C. Nathanson, Pittsburgh, PA (US);
Thomas J. Smith, Jr., Greensburgh, PA (US);
Carl B. Freidhoff, New Freedom, PA (US);
F. William Hopwood, Severna Park, MD (US);
James E. Degenford, Ellicott City, MD (US);
J. Douglas Adam, Murrysville, PA (US);
Northrop Grumman Corporation, Los Angeles, CA (US);
Abstract
An electronically steerable antenna array which includes time delay units connected to individual antenna elements for time delaying a microwave signal to and/or from the antenna elements. Each time delay unit includes small mercury wetted switches for controlling signal flow via a time delay path or a bypass path, through the time delay unit from a signal input to a signal output.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile