Abstract: The present disclosure includes a method for producing a multi-band waveguide reflector antenna feed. The antenna feed includes a first tube and a second tube. The first and second tubes are connected to form a concentric multi-band waveguide feed array. The first tube includes a surface(s) which is/are at least partially covered by metamaterial(s), thereby forming a first waveguide feed. The second tube also includes a surface(s) which is/are at least partially covered by metamaterial(s). A radial separation is established between the first tube and the second tube, thereby forming a second waveguide feed. The radial separation may be maintained between the first tube and the second tube by one or more of: a loading material, support structures, strings, and wires. The loading material, support columns, strings, and/or wires also structurally interconnect the first tube and the second tube.

Abstract: A present novel and non-trivial system, module, and method for generating final approach, missed approach, and departure data for use in an avionics system. A processor receives navigation data and object data, where object data includes terrain data and/or obstacle data. A flight path is defined, an obstacle clearance surface is constructed and examined for object penetration, and procedure data is generated and provided to at least one avionics system. For approach procedures, a decision altitude data is determined from which the procedure data is generated. A penetrated obstacle clearance surface is allowable if a remedy exists to address the penetration. Remedies may include the use of minimum obstacle clearance criteria, an iterative process, a path construction function, an existing departure procedure, and the use of input factors to determine a real-time estimated climb performance which could affect the climb gradient of a missed approach path.

Abstract: A method for amplifying a modulated input signal includes separating a dominant low-frequency amplitude component from the modulated input signal. The method further includes separating, from the modulated input signal, a residual signal from which the dominant low-frequency amplitude component has been removed, wherein the residual signal retains the phase information of the input signal, and wherein the residual signal maintains a portion of the amplitude modulation of the input signal. The method yet further includes providing the residual signal to an amplifier while modulating an amplifier supply voltage as a function of the dominant low-frequency amplitude component.

Abstract: A terrain awareness and warning system (“TAWS”) provides input to a terrain alert (“TA”) processor from at least one real-time aircraft system or sensor and a source of terrain data; the processor determines a terrain clearance surface and a terrain airspace alert surface, and if one surface penetrates the other, the processor generates an alert signal and provides an alert signal to a crew alerting system. The two surfaces are determined by the processor by executing an algorithm(s) embedded in software containing the disclosed embodiments and methods. At least one criterion used to define an aircraft terrain alert surface is programmed to include real-time and/or static input factor data provided by at least one system or sensor input from an aircraft. Such input factor could be used to define a terrain clearance surface.

Abstract: An apparatus for providing an optical display includes an optical substrate for propagating light received from a light source, a first set of one or more switchable diffractive elements in the substrate, and a second set of one or more switchable diffractive elements in the substrate. Each diffractive element in the second set corresponds to a diffractive element in the first set. Each of the diffractive elements in the first and second sets is configured to switch between on and off states. One of the states is for diffracting light and the other state for allowing light to pass through. Each of the first set of diffractive elements is configured to diffract the light at an angle for propagation in the substrate. Each of the second set of diffractive elements is configured to diffract the light for display.

Abstract: A system for transmitting a broadband signal over an electrically short antenna which includes a plurality of switched impedance synthesis transmit antenna matching circuits which are dynamically controlled with knowledge of the transmitting broadband signal to match the dynamic impedance of the electrically short antenna during transmission.

Abstract: A system and method for a terrain awareness warning system. The system includes a radar system configured to transmit a first radio frequency wave and receive a second radio frequency wave, a display for receiving a display signal representative of an obstacle source and an obstacle source data circuit. The obstacle source data circuit includes an interface and a display circuit. The interface is coupled to the radar system and the display. The display circuit is configured to determine the obstacle source based on the second radio frequency wave and to transmit the display signal representative of the obstacle source.

Abstract: A present novel and non-trivial system, module, and method for constructing a flight path used by an avionics system are disclosed. A processor receives flight plan data and object data associated with terrain and obstacles. Free cells are extracted above the objects using a recursive space decomposition technique, and a reference path is formed through traversable free space determined from the availability of free cells. In an additional embodiment, threat data associated with hostile military weaponry and significant meteorological conditions could affect the availability of free cells. A genetic algorithm applying genetic operators which include mutators is employed with aircraft kinematic constraints to refine the reference path used to form a population of best path candidates. When a best path is reached after cycling through a re-generation process of path candidates, flight path data representative of the best path is generated and provided to at least one avionics system.

Abstract: An avionics system, including a means to tune communication radio frequencies utilizing a voice recognition system. A specific feature of this mode of initiation is the automatic radio tuning of communication VHF radios by the utterance of specific key words resulting in the automatic transference of letters to numbers.

Abstract: The integrated, multiple independent, simultaneous signal software defined radio system architecture of this invention is suitable for many new very-low latency, software defined radio applications, both cognitive and conventional, including: communications networks, electronic warfare, surveillance and radar. The system supports multiple operations, locally controlled or remotely controlled, with simultaneous signals prosecutions and anti-jam system-to-system networking. New cognitive waveforms are defined that simultaneously seek to maximize data throughput in arbitrary spectral environments, while normally avoiding interference with current and new arbitrary signal occurrences.

Abstract: A developer system and method for an electrographic printer is provided. The system includes a magnetic brush having a magnetic core surrounded by a toning shell that rotatably conveys a layer of developer to the photoconductor element; a sump containing a reservoir of developer, and a self-metering conveyor roller having a maximum magnetic field strength on its outer surface of between about 100 and 1000 gauss, and a minimum magnetic field strength of no less than about 30% of the maximum field strength. A driving assembly rotates the conveyor roller at a saturation speed that saturates the capacity of the conveyor roller to deliver developer to the toning shell. The self-metering conveyor roller obviates the need for a metering skive to provide a stable flow rate of developer, and increases the printing speed of the printer by providing a higher flow rate of developer to a photoconductor drum of the printer.

Abstract: A system for providing a manipulatable graphical display comprising a user input device responsive to a user input, a cursor control device operably coupled to the user input device, and a menu engine operably coupled to the cursor control device. The cursor control device is further configured to process an output received from the user input device and generate a cursor image positioned on a display in response to the user output suitable for locking onto and tracing a path on the display.

Abstract: An actuator includes a shape memory element formed from a shape memory alloy. The shape memory element is configured such that the actuator is actuated by a change in shape of the shape memory element. The shape memory element may be maintained in a pre-actuated state that is advanced from its rest state, but which is not at its actuated state.

Abstract: The present invention is a magnetic pump assembly for integration with a mechanically flexible thermal spreader. The assembly may include a casing which may be connectable to a mechanically flexible substrate of the thermal spreader. The assembly may further include a plurality of magnets which may be integrated with and enclosed by the casing. The magnets may be suitable for applying a magnetic field to an electrically-conductive liquid, and may be implemented in combination with electrodes, which may be integrated with the substrate and may be suitable for generating an electrical current flow through the liquid. The magnets and electrodes may combine to provide a pumping force for circulating the liquid within an internal channel of an electrically-conductive cooling loop of the substrate. The assembly may further include a thermally-conductive rigid metal insert integrated with the casing. The assembly may promote local thermal conductivity of the thermal spreader.

Abstract: A method for reducing high-frequency banding in an electrophotographic development station having a rotating shell and a rotating magnetic core is disclosed. A rotating angular velocity of the rotating shell is adjusted relative to a angular velocity of a photoconductor such that a ratio of these angular velocities is not a ratio of whole numbers.

Abstract: The present invention is directed to a dielectric radiating element. The dielectric element may include a ground plane connected to a dielectric superstrate. The dielectric superstrate includes multiple dipole layers which include metamaterials and dipoles. The ground plane is configured with a horizontal polarization slot and a plurality of vertical polarization slots. The ground plane is further configured for receiving electrical signals from a power transmission assembly and radiating electromagnetic waves via the polarization slots based upon the received electrical signals. The electromagnetic waves may be transmitted or radiated from the ground plane, may pass through the dielectric superstrate and may then be radiated from the dielectric radiating element. The dielectric radiating element is a dual-polarized radiating element configured with coincident phase centers.

Abstract: The present example provides a method of providing a Transmit ID within an ad hoc wireless communications network, and use of the transmit ID to provide methods to select a node's transmit pattern (Transmit Patterns), to inform a node receiver that a packet is incoming that is to be decoded (Receive Packet Acquisition), to tell a node receiver how to efficiently retrieve pulses from multiple packets simultaneously (Efficient Receive Processing), and how to disburse network transmissions throughout network time (Network Traffic Smoothing). The present example may also provide for Network Management of the Transmit IDs for use in network bandwidth reduction and maintenance of the Transmit IDs within the Network.

Abstract: Provided is a device for the alignment of sheets in a printing machine, said device comprising two pairs of rollers for the alignment of the sheets in their advance direction, for the alignment transverse to their advance direction and with respect to skewing, whereby each pair of rollers consists of a driving roller and of a counter-pressure roller. One drive unit is provided for each of the two driving rollers, whereby each of the drive units consists of a motor and a drive shaft linked therewith, whereby the driving rollers are non-torsionally accommodated on respective drive shafts. The driving rollers can be slid in linear direction on their drive shaft, or the respective drive shafts, and thus the driving rollers accommodated thereon, can be linearly shifted with respect to their drive motors.

Abstract: A developer station for an electrographic printer is provided that reduces developer agitation. The developer station includes a sump of magnetic developer, and a magnetic brush roller mounted above said sump and having a rotatable magnetic core surrounded by a substantially cylindrical toning shell rotatably mounted with respect to the core. The toning shell defines a nip at its closest point to the photoconductor element. A toning shell and magnetic core radius along with the eccentric offset of the toning shell from the rotating magnetic core are used in combination with the magnetic properties of the rotating magnetic core to determine the radius of the toning shell and magnetic core to improve the skiving and removal of developer from the toning shell after the developer has passed through the nip with the photoconductor element.

Abstract: The present invention is an adjustable beamwidth, loaded monopole antenna array. The array may include four monopole antennas. Each of the antennas may include a generally symmetric, tapered radiating element and an inductive shorting wall element. The array may further include a capacitive top hat element which may be connected to each of the antennas. The array may further include a ground plane element which may be connected to each of the antennas. The array may further include a plurality of feed posts which may be connected to the antennas. Further, each feed post may be connected to a power feed line. Each radiating element may be variably phase-fed and/or uniformly phase-fed for allowing the antenna array to effect a directional beam and/or an omni-directional beam.