Match Document Document Title
H001151 Folded cavity antenna  
An antenna which conforms to the surface of a spacecraft can be a thin slot antenna which can be formed to the shape of the craft in combination with a compact ground plane formed of T-shaped or...
5184141 Structurally-embedded electronics assembly  
A structurally-embedded electronics assembly is disclosed and includes an outer skin member which is lightly loaded structurally, a primary load-carrying member positioned inboard from the outer...
5182566 Method and apparatus for utilizing a movable GPS antenna for surveying purposes  
A method for obtaining Global Positioning System (GPS) information for a required point on the earth's surface, the method comprising: positioning a GPS receiving antenna on a known point,...
5151707 Linear array antenna with e-plane backlobe suppressor  
An antenna comprising a linear array of active elements positioned in one or more rows. The back portion of the array is partially enveloped by a reflector. The reflector includes a backwall and...
5148183 Four-way antenna  
There is disclosed herein a four-way antenna system having a hollow antenna body to which four antennae are attached and which can be mounted on the outside of a land, sea or air transport...
5132693 Radar apparatus  
An imaging radar system for an aircraft includes four transmit antennas, connected to a central transmitter, and four receive antenna arrays for respectively receiving reflections of signals...
5121128 Glide-slope aerial system  
Glide-slope aerial system intended to function in a relatively restricted space, for example the radome space of an aircraft, comprising one or more half-loop aerials which are supported by the...
5103239 Silicon nitride articles with controlled multi-density regions  
A monolithic silicon nitride radome structure having a forward portion, an after portion and a transition portion therebetween, is provided. The forward portion has a density of about 0.75 to 1.0...
5081468 Frequency agile triangular antenna  
An antenna comprising a plurality of sections, each section comprising first and second coil forms forming a triangle with a ground plane and having a continuous ribbon cable and a multiconductor...
5049891 Radome-antenna installation with rotating equipment rack  
High-powered antenna installations employable in rotatable electrical systems for the transmission and reception of electromagnetic energy and, more particularly, an integral radome-antenna...
5047787 Coupling cancellation for antenna arrays  
An arrangement for providing RF coupling cancellation between an array of antennas of a missile is shown. The present invention includes positioning a dielectric material across a portion of the...
5039992 High temperature skin antenna  
The invention relates to a space reentry vehicle high-temperature skin antenna comprising a printed antenna embedded in a tile for providing thermal protection, and fed by electromagnetic...
5030961 Microstrip antenna with bent feed board  
A microstrip antenna including an orthogonal planar array (12) of patch radiators (10) with specially configured feed boards (16) provided for each column of array elements. Each such board...
5025262 Airborne antenna and a system for mechanically steering an airborne antenna  
A helical-element antenna as part of a communication system is mechanically steered with reference to an azimuth axis and an elevation axis within a positioning envelope greater than...
5019829 Plug-in package for microwave integrated circuit having cover-mounted antenna  
A TO-style plug-in package for MMICs and associated antenna structure is comprised of a microwave circuit component carrier having a generally cylindrically shaped conductive header upon which one...
4987425 Antenna support structure  
Carrying structure of an active antenna in the aerospace industry uses basically fiber reinforced synthetic material in which heat conductive elements and/or elements conducting electromagnetic...
4955562 Microwave powered aircraft  
A microwave-powered aircraft has lifting surfaces for exerting lifting forces on the aircraft in response to the propulsion of the aircraft and a rectenna array for receiving and rectifying...
4947182 Method of feeding electromagnetic power from an antenna element  
A method of feeding out field power from a circularly polarized antenna (2), mounted on a conductive aircraft surface (1). All power is normally fed out in circular polarization to the receiver,...
4939523 Aircraft radar antenna  
In an aircraft on-board radar system employing a sharply focused directional pattern which is able to sweep over a given space range, the range in the MPRF mode is limited primarily by the ground...
4933681 Radar antenna of small overall dimensions  
A radar antenna of small overall dimensions is provided, placed in a belly radome, including a reflector of paraboloid shape of revolution about the longitudinal axis and integral with a case....
4922259 Microstrip patch antenna with omni-directional radiation pattern  
A microstrap patch antenna with a substantially omni-directional radiation pattern includes an upper hemisphere microstrip patch radiator working against a ground plane and a lower hemisphere...
4847627 Compact wave antenna system  
The invention is a compact wave antenna system for use on an aircraft. The antenna is mounted on a boom made of a dielectric material extending from the rear of the aircraft. The antenna comprises...
4833485 Radar antenna array  
A close-packed divergent array of cavity-backed antennas for use in the radome of a missile. Each antenna cavity is tapered from its radiating face towards its base so that the antennas can be...
4811028 Quadridge antenna for space vehicle  
The invention is directed to a quadridge antenna situated within a quadri-fluted module. The tips of the ridge elements are recessed a distance below the surface of the window aperture.
4804154 Passive aerodynamic load mitigation system  
A passive load mitigation system for supporting transducers on a body moving through a fluid stream is described. According to the invention, a streamlined aerodynamic surface for supporting the...
4797683 Multi-spectral radome  
Dual radome arrangement (15) comprising inner and outer layers (14,16) respectively transmissive to both modes of radiation operable in a detection system (11), and only one of the modes of...
4779097 Segmented phased array antenna system with mechanically movable segments  
A segmented phased array antenna system for scanning two different ranges of directions with a single set of antenna elements. The system comprises a plurality of segments (40), each of which has...
4761653 Microstrip antenna  
A microstrip antenna is formed of a 3×2 group of elements, with adjacent H-feeds. The outer pairs of elements are responsive to opposite senses of polarisation respectively and the inner pair of...
4749997 Modular antenna array  
An antenna array which may be conformally mounted in an aircraft includes a plurality of non-parasitic antenna drivers. A conductive member serves as a ground plane and reflector. Each...
4748449 RF absorbing ablating apparatus  
A microwave absorbing ablating material is used as the ablative covering between the transmitting and receiving antennas while a standard ablating material, allowing the transmission of signals,...
4746082 Aircraft and a system including aircraft borne apparatus  
A fixed wing aircraft comprises two major components, namely an airframe and a payload carrier which are articulated. The airframe is equipped with all the essentials for independent flight. The...
4738421 Self-orienting device  
A self-orienting device is disclosed for a transducer adapted to be dropped from an aircraft or other vehicle. An elongated body is provided with first, second and third arms each of which is...
4730194 Airborne transmitting antenna and method for deploying same  
The present invention relates to an airborne trailing cable-antenna which is multi-sectional. The cable-antenna comprises an electromagnetic radiating portion for the transmission of...
4709239 Dipatch antenna  
A vertically polarized omnidirectional antenna adapted for use in airborne, Very High Frequency (VHF) applications is disclosed. The antenna is configured as a conductive patch spaced over its...
4709240 Rugged multimode antenna  
A compact antenna for an extra-atmospheric vehicle is sufficiently rugged to withstand the rigors of atmospheric re-entry, and is capable of transmitting and receiving radio-frequency signals with...
H000373 Antenna stowing and release assembly for a terminal delivery vehicle  
There is disclosed a release assembly mounted within a housing member for intaining an antenna assembly under spring deployment compression in a terminal delivery vehicle for delivery by a...
4704732 Method of suspending a platform for communications and observation kept at high altitude by atmospheric molecular momentum transfer  
The instant invention comprises a method for freely suspending without any solid material support, a platform in an atmosphere by atmospheric-particle-momentum transfer having opposite surface...
4656482 Wideband wing-conformal phased-array antenna having dielectric-loaded log-periodic electrically-small, folded monopole elements  
A compact, lightweight, wideband, wing-conformal phased-array antenna structure, the array elements of which are identical, log-periodic arrangements of electrically small, folded-monopole...
4649396 Double-tuned blade monopole  
A monopole antenna is mounted on a ground plane and incorporates a radiating structure in the form of a blade perpendicular to the ground plane, for loading the antenna. An elevated feed is formed...
4646102 Deployable antenna reflector apparatus  
A parabola antenna reflector incorporating an deploying apparatus of the invention has a disk shape having a predetermined radius of curvature. The reflector has a cross-shaped first reflector...
4635067 Aerodynamic radar pod with external inflatable portion  
A retractable airborne radar pod housing a radar scanner is provided with inflatable portions which when deflated allow the pod to be retracted into the aircraft and when inflated form an...
4635066 Multiband multimode aircraft antenna  
The antenna of the invention is suitable for use with an aircraft and is capable of receiving a plurality of frequency ranges in the communication band and provides a directional antenna. To this...
4603332 Interleaved microstrip planar array  
Two separate microstrip antennas are interleaved in the same plane thereby occupying substantially the same area as a single antenna. Each antenna aperture produces two beams and the configuration...
4593288 Airborne early warning system with retractable radome  
A radar scanner unit for an airborne early warning system comprises an aerodynamic radome pod (1) pivotally mounted on a pylon (2) which is in turn pivotally mounted on a framework (19). The pod...
4588147 Method and apparatus for securing payloads to the exterior of an aircraft  
A method and apparatus for providing heavy structural attachment points outside the pressure vessel of an aircraft is described which requires no special modification to the aircraft itself, while...
4577196 Missile mounted waveguide antenna  
A generally rectangular waveguide antenna has two narrow side walls connected to two broad walls. One of the broad walls takes the form of a conventional rectangular ridged wall. The other broad...
4562440 Antenna coupler with ribbon gasket  
The method of repeatably making an antenna coupler for holding a test antenna in a repeatable fixed position on the exterior surface of an aircraft or the like relative to a working antenna...
4538154 Antenna stow mechanism  
Certain present antenna assemblies require that their antenna structure be first rotated to a predetermined azimuth orientation prior to being retracted translationally along an axis to a stowed...
4509709 Swinging pod antenna mount  
Antenna pods are located outboard of each wheel fairing on a C-130 aircraft, which pods are supported by truss members attached to the aircraft and pivotally affixed to an upper row of antenna...
4489329 Sensor release latch for space vehicle  
A holding and releasing system provides temporary connection between a movable and a stationary part which are to be separated during the specific use thereof. It comprises a supporting foot...