Robert N Willey

US Patent:

46528806, Mar 24, 1987

Filed:

Jun 27, 1986

Appl. No.:

6/879850

Inventors:

Alvin W. Moeller - Kingsville MD
Robert E. Willey - Joppa MD
Allen I. Sinsky - Reisterstown MD

Assignee:

Allied Corporation - Morristown NJ

International Classification:

H01Q 326

US Classification:

342373

Abstract:

An antenna feed network is described incorporating a plurality of power dividers and a plurality of power combiners to distribute at least two microwave signals over predetermined electrical path lengths to two overlapping subarrays of antenna elements forming an antenna aperture. The invention further provides a module incorporating a plurality of power dividers and power combiners utilizing Wilkenson strip-line power dividers and utilizing zero db branch arm hybrid couplers to provide wiring crossovers on the upper surface of a printed circuit board having a ground plane on its lower surface.

US Patent:

41785819, Dec 11, 1979

Filed:

Nov 3, 1978

Appl. No.:

5/957492

Inventors:

Robert E. Willey - Joppa MD

Assignee:

The Bendix Corporation - Southfield MI

International Classification:

G01S 116
G01S 118

US Classification:

343108M

Abstract:

A microwave landing system employing a phased array antenna for the generation of narrow, scanning guidance beams in which broad beam antennas used for transmitting identification signals, fly-left, fly-right guidance signals and the like with broad coverage are eliminated by applying spoiling phases to the phase shifters of the array thereby broadening the beam shape of the array to a pattern substantially identical to the pattern of a broad beam antenna formerly used. The spoiling phases are applied to the array in the time slots allocated to transmission of broad beam signals and the broad beam signals are then transmitted by the array. The spoiling phases are removed from the array during the time slots allocated to transmission of narrow scanning beams and the narrow scanning beams are then transmitted by the array. Computation of spoiling phases to provide particular patterns for particular antennas is disclosed.