Research/Patents/US 5068671
US 5068671Tier 3 — General Defense

ORTHOGONALLY POLARIZED QUADRAPHASE ELECTROMAGNETIC RADIATOR

Assignee

US Government

Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE

Filed

Jun 24, 1988

Granted

Nov 26, 1991

Location

UTICA NY US

Abstract

A broadband multi-element antenna having desirable phase, standing wave and polarization characteristics is disclosed. The antenna is arranged as a plurality of airfoil shaped elements located in radial planes about a central axis with the element peripheries collectively defining a horn shaped surface-centrally disposed of which is a ground plane member of preferably truncated conical shape which includes electrical feeding arrangements having in phase and out of phase element coupling. The antenna is suitable for radar, satellite, and other precision uses including military applications.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 17, 1989

Rescinded

Jan 25, 1991

Duration

1 year, 10 months

Inventor

  • 1MICHAEL C. WICKS

Technology Domains

Click a domain to browse all patents in this category.

Back to patent indexSource: USPTO 35 USC §181 secrecy order records