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Optical gas detection
The present invention provides a transmitter unit for an open path gas detector for detecting a target gas and comprises: a radiation transmitter, e.g. a...
Systems and methods for changing view perspective in 3-D graphical
displays of buildings with stepped rotation
A method and system of rendering buildings in three-dimensional space first renders a respective floor, then adds objects and finally walls to bound each of the...
Method, apparatus and computer program product for controlling LED
backlights and for improved pulse width...
A method for driving an LED backlight device using pulse width modulation with an additional timer to manage the power consumption, thermal output, and lighting...
Method and system for maintaining spatio-temporal data
A system and method for maintaining spatio-temporal data for a given area (e.g., an airspace) containing a given node (e.g., an aircraft) and one or more other...
Combustion instability detection
Combustion instability in combustion appliances may be recognized before excessive carbon monoxide may be produced. In some instances, combustion instability may...
Dynamic inventory during transit
A method of dynamically keeping inventory of items in a vehicle in transit is provided. The method includes detecting an event during transit and conducting...
Dual purpose permanent magnet exciter
A permanent magnet rotor of a generator is used to excite a electromagnet stator to generate electric power for the generator and to control a disengagement...
Core-shell nanoparticles for detection based on SERS
A nanoparticle having a self assembly monolayer of molecules as a shell on the nanoparticle. The monolayer may include organic molecules working as surface...
Fuel cell stack having catalyst coated proton exchange member
A power generator comprising a hydrogen generator and a fuel cell stack having an anode exposed to hydrogen from the hydrogen generator and a cathode exposed to...
Portable hydrogen fuel container charger
A portable fuel cell charger has a water source and an electrolyzer coupled to the water source and adapted to be coupled to a power source. A fuel cell...
Transparent conductors and methods for fabricating transparent conductors
Transparent conductors and methods for fabricating transparent conductors are provided. In one exemplary embodiment, a method for fabricating a transparent...
Active rudder pedal mechanism with foreign object strike tolerance and
A rudder pedal mechanism is configured with foreign object strike tolerance and/or with an articulating brake. The foreign object strike tolerance is implemented...
An HVAC controller may include an upper housing having a front and a back, the back including a center. A lens dial including an engagement portion may be...
Flexible, hermetic pivot seal for torque motor
A torque motor (10) includes a support (20), a jet tube passage (42) in the support having a first end opening (43) and a second end opening (45), a jet tube...
Force sensor package and method of forming same
A low cost force sensor package and a method of forming such a package. The force sensor has a housing or package, such as a surface mount technology package...
Surface acoustic wave sensor and package
The SAW sensor in a stainless steel button package having a diaphragm and mounted on a threaded port. Package can hermetically seal a sensor and RFID-antenna...
Method and system for navigation of an ummanned aerial vehicle in an urban
A method and system for navigation of an unmanned aerial vehicle (UAV) in an urban environment are provided. The method comprises capturing a first set of Global...
Maneuver based aircraft gas turbine engine speed control
A system and method for controlling the rotational speed of a gas turbine engine in an aircraft includes appropriate devices and processes for determining a...
Adaptive filtering for altimeters
A method of processing altitude measurements for an aircraft is disclosed. The method involves filtering raw altimeter data within an altimeter to substantially...
Distributed and recoverable digital control system
A real-time multi-tasking digital control system with rapid recovery capability is disclosed. The control system includes a plurality of computing units...
Ultrasonic multilateration system for stride vectoring
A lateration system comprising at least one transmitter attached to a first object and configured to emit pulses, three or more receivers attached to at least...
Method and system for image monitoring
A system for verifying the generation of a critical symbology includes a display processor configured to generate graphic commands from one or more system...
Multifunction keyboard for advanced cursor driven avionic flight decks
An aircraft display and control system generally includes a processor, a cursor control and selection device, a multifunction keyboard, an aeronautical...
System and method for detecting false navigation signals
A system and method for detecting and excluding false GPS signals are disclosed, which predict a GPS measurement value with a high degree of confidence, compare...
Traffic alert collision avoidance system (TCAS) devices and methods
A device for determining the bearing of a vehicle using Inertial Reference Unit (IRU) and Traffic Alert Collision Avoidance System (TCAS) data. The device...
Systems and methods for location-based discrimination of turbulence
Systems and methods differentiate weather, such as storm cells and/or turbulence regions, based on location relative to a planned flight path of an aircraft. An...
System and method of reporting alert events in a security system
A system and method for reporting alert events to a terminal device of a user of the security system. In one aspect, a security device of the system generates...
MEMS based battery monitoring technical field
A battery protection and monitoring system includes a plurality of MAFET (Mechanically Actuated Field Effect Transistor) switches, wherein each MAFET switch...
Process for making chlorotrifluoroethylene from
A process for the making chlorotrifluoroethylene. The process has the step of reacting 1,1,2-trichlorotrifluoroethane with a reducing metal in the presence of a...
An exemplary compressor wheel includes a proximate end, a distal end, an axis of rotation, a z-plane positioned between the proximate end and the distal end and...
Self-powered spacecraft attitude control system and method
A system and method are provided for operating a control moment gyro (CMG) in a spacecraft. The CMG includes a spin motor, and a CMG rotor that is coupled to the...
Appliance control with automatic damper detection
Methods and systems for operating a fuel fired appliance that may include an optional hardware component such as a damper are disclosed. In some cases, the...
Exhaust gas recirculation mixer
An exemplary mixer includes a cylindrical wall having a center axis, a substantially tubular wall defining a volute oriented about the center axis, an inlet to...
Low vibration rectification in a closed-loop, in-plane MEMS device
A method for a geometry of a lateral comb drive for an in-plane, electrostatic force feedback, closed-loop, micromachined accelerometer or closed-loop Coriolis...
System and method for monitored delivery of products
A device for dispensing products senses when the respective products are accessed. A signal indicative of day and time of access can be transmitted to a remote...
Testing systems and methods for aircraft radios
A system and method for enhanced use of voltage standing wave ratio (VSWR) tests of an avionic radio and antenna is disclosed. A signal processor/generator...
Object tracking system
A system for tracking objects across an area having a network of cameras with overlapping and non-overlapping fields of view. The system may use a combination of...
Common protocol and routing scheme for space data processing networks
A method of communicatively coupling network elements supporting multiple network protocol types comprises receiving input having multiple network protocol types...
Sub-frame synchronized ranging
A method of determining distances between communication nodes. The method includes transmitting an initial communication frame from a first node to at least one...
Phase-tolerant pixel rendering of high-resolution analog video
Methods for recovering high-resolution images from an analog video interface by autonomously correcting for phase errors between a synchronized clock signal to a...
Synthetic vision final approach terrain fading
A method of removing synthetic vision terrain and objects from a graphical display when unsafe to rely on the synthetic vision terrain and objects is provided....
System and method for transferring bit-oriented data over an ACARS
character-oriented data link
A method of communicating bit-oriented data over an Aircraft Communications Addressing and Reporting System (ACARS) character-oriented data link comprises...
Intrusion detection using pseudo-random binary sequences
In one embodiment, a system comprises an enclosure, at least one item enclosed within the enclosure, and at least one optical medium disposed between the...
Voice alarm system
A voice alarm system, coupled to a fire monitoring system responds to received wireless signals. The signals can be emitted by a portable wireless control unit...
Method and apparatus for electrochemical corrosion monitoring
A method and apparatus for simultaneously and continuously monitoring both the general and localized corrosion of a working metallic electrode is provided,...
Inductive proximity sensor and related methods
An inductive proximity sensor or switch and a method of using same. The sensor or switch includes an Application Specific Integrated Circuit ("ASIC") and a...
Fast field discharge for generator over-voltage control
A voltage regulator for controlling over-voltage conditions in an electrical generator by rapidly discharging the generator field winding current into a...
Platinum-based alloy for spark plug electrodes incorporating palladium and
A spark plug comprising: an insulator shell; a center electrode inside the insulator shell such that one end of the center electrode protrudes from the insulator...
Patterned dielectric elastomer actuator and method of fabricating the same
A patterned dielectric elastomer actuator is disclosed which includes a series of thin parallel elastomer filaments, separated by certain distances sandwiched...
Passive solid state ionizing radiation sensor
A radiation sensor and a method for making the radiation sensor are described. An ionizing radiation sensitive area is formed in a radiation insensitive or...