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Match Document Document Title
7583200 Method and system for detecting and measuring the disturbances in terms of frequency of the rate of rotation of a rotor  
A method and system for detecting the variations of speed (R) of a rotor. Signals are measured representative of the march-past of the teeth of a measurement device secured to the rotor for a...
7428472 Monitoring activity of a user in locomotion on foot  
A device supported by a user while the user is in locomotion on foot during an outing may monitor a performance parameter of the user. The performance parameter may comprise a pace and/or a speed...
7315805 Operations and support discrete event stimulation system and method  
A discrete event simulation (DES) and method of model development provide affordable, accurate, pre-validated, reusable and portable models and simulations that capture the complexity,...
7275013 Plasma anemometer and method for using same  
Methods and systems are described for a system for obtaining information regarding a flow. These methods and systems comprise a signal generator configured to generate an alternating current signal...
7248991 Method and device for detecting a rotational speed, especially the rotational speed of the wheel of a vehicle  
The invention relates to a method and an apparatus for measuring a rotational speed, in particular a rotational speed of a wheel of a motor vehicle, by means of a speed sensor, wherein the speed...
7149646 Pilot indicator for predicting changes in the speed of rotation of the main rotor of a rotorcraft  
The present invention relates to a pilot indicator for a rotorcraft provided with a main rotor and at least one gas turbine engine. The indicator has first and second sensors delivering information...
7143003 Pilot indicator for predicting changes in the monitoring parameters of a gas turbine engine  
A pilot indicator is provided for an aircraft provided with at least one gas turbine engine. The indicator includes a set of sensors delivering information relating to different monitoring...
6898550 Monitoring activity of a user in locomotion on foot  
In one embodiment, a method involves determining at least one calculated parameter based upon at least one determined performance parameter of the user and at least one determined variable...
6882955 Monitoring activity of a user in locomotion on foot  
In one embodiment, a display unit to be mounted on a wrist of a user includes a display screen, a base, and at least one strap. The display unit is configured such that, when it is worn by the...
6618654 Method and system for discovering and recovering unused service life  
A method and system on-board a vehicle is provided for determining cycles to failure of the vehicle. The system includes a vehicle attitude reference or navigation system, a memory, and a...
6615144 Tire uniformity prediction using curve fitting  
Methods and apparatus for predicting tire uniformity, preferably a harmonic component of force variation (radial, lateral, or tangential) for a production tire operating at a high speed, and also...
6584839 Modular altimeter  
An altimeter which contains within it means for storing the Static Source Error Correction (SSEC) for the aircraft. The altimeter includes means for downloading the SSEC and for transferring it to...
6497169 Method for automatic weapon allocation and scheduling against attacking threats  
A system and method for automatic weapon allocation and scheduling of the present invention. The inventive method includes the steps of providing data with respect to threats, weapons, weapon...
6467388 Method for engaging at least one aerial target by means of a firing group, firing group of at least two firing units, and utilization of the firing group  
A method for engaging one or several aerial targets by means of a firing group ( 10 ) of autonomous, but cooperating, firing units ( 12, 112 ), wherein each firing group has a fire control unit (...
6466888 Neural network system for estimation of aircraft flight data  
Input parameters which correspond to operational flight data of an aircraft within a predetermined flight domain, are defined through measured variable state parameters generated during aircraft...
6370450 Integrated total temperature probe system  
A smart probe system for an aircraft receives an input from a heated total air temperature sensor. When on the ground, the heater for the total air temperature probe is cycled so that when a...
6289289 Aircraft structural fatigue monitor  
The present invention is a system for monitoring, storing, and reporting the accumulation of fatigue occurrences experienced by an aircraft. The system according to the present invention uses...
6278913 Automated flight data management system  
A data processing system for automating the process of managing flight data and generating reports based on that data. The system accesses flight data transmitted on an airborne databus, where the...
6131065 Electronic flight data strips and method for air traffic control  
A portable, re-usable, battery-powered, electronic device for storing, displaying and modifying air traffic control information. The electronic flight data strip receives input data from an...
6064923 Aircraft with reduced wing structure loading  
An aircraft having a reduced-load wing structure is provided with a controllable canard stabilizer (5G, 5D) at the front end of the aircraft and a controller that controls the canard stabilizer....
6052654 Measuring foot contact time and foot loft time of a person in locomotion  
The time period that a foot is in contact with the ground during a stride taken by a user, and the period that the foot is not in contact with the ground between strides taken by the user are...
6023668 Process and device for determining the flight configurations of an aircraft  
A process and system for determining the flight configurations of an aircraft are disclosed. The process includes the steps of defining various possible flight configurations of the aircraft,...
5987397 Neural network system for estimation of helicopter gross weight and center of gravity location  
The invention is directed to a helicopter health and usage monitoring system utilizing a neural network for estimating gross weight and center of gravity location from measured flight condition...
5890101 Neural network based method for estimating helicopter low airspeed  
The invention is directed to a system, utilizing a neural network, for estimating helicopter airspeed in the low airspeed flight range of below about 50 knots using only fixed system parameters as...
5796612 Method for flight parameter monitoring and control  
The present invention relates to a method for three-dimensional flight control based generally upon measuring and comparing actual air pressures at or near various surfaces of an aircraft during...
5737222 Apparatus for measuring lift forces based upon differential pressure between surfaces of an aircraft  
An apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift surfaces of...
5610845 Multi-parameter air data sensing technique  
Static pressure sensing and free airstream temperature sensing is obviated in a method for determining aircraft velocity relative to an airmass by utilizing a static pressure and temperature...
5229956 Helicopter weight measurement  
A weight measurement system calculates the gross vehicle weight of a helicopter while in hover or level unaccelerated forward flight by measuring and averaging the distances 20,22 between the...
5214596 System for determining the airspeed of helicopters  
System for determining the airspeed of helicopters, having a coupled measuring device to which is supplied by the cyclic and collective control signals, the attitude angles and the rotational...
5008836 Method of recognizing selected objects  
A method of recognizing a selected object during a fly-over including periodically making range measurements to the ground at a predetermined angle, noting range rate of change from adjacent range...
4914598 Integrated redundant reference system for the flight control and for generating heading and attitude informations  
A plurality of two-axis rate gyros are arranged in relation to an aircraft-fixed coordinate system such that they redundantly supply angular rate information. A plurality of accelerometers supply...
4893261 Apparatus and method for determining airspeed and direction  
Aircraft speed and direction are determined by sampling the sinusoid-like pressure variations at the end of a rotor and performing a Fourier analysis on the pressure samples. Fourier quadrature...
4829441 Method for determining the air speed of a helicopter, system for carrying on this method and method for calibrating such air speed determining method and system  
The air speed is determined by solving the equation ##EQU1## in which P z is the pitch of the antitorque device, γ z , the vertical acceleration of the helicopter, k 1 -k 10 , parameters...
4807162 Teachable inspection controller  
An inspection controller for an object includes a plurality of sensors for providing a set of input signal states representing characteristics of the object, a plurality of output terminals, a...
4646243 Apparatus for determining the groundspeed rate of an aircraft  
Aircraft gyro (20, 22) signals θ and φ, representative of pitch and roll attitude, respectively, and accelerometer (24, 26, 28) signals a x , a y , a z , representative of longitudinal, lateral,...
4608641 Navigational aid  
An aircraft operating in a gravitational field and having conventional sensors for measuring true air speed (sensors 10, 11), angles of incidence and yaw (sensors 13, 12), rotation about x, y and z...
4509131 Geomagnetic velocimeter  
A velocity measuring system utilizes a pair of magnetic sensors each moun in a displaced location with respect to the other on a vehicle whereby such sensors passing over the same stationary base...
4495589 Aircraft ground velocity determination system  
A system for determining the ground velocity of an aircraft is disclosed. The system includes a CCD linear optical image sensor carried by the aircraft for forming a first and second substantially...
4463355 Solid state mach/air speed indicator  
A liquid crystal display (LCD) system and technique is disclosed which enables an improved visual presentation and display of the rate of change of an aircraft parameter in an avionics system. The...
4410952 Method and apparatus for generating nose wheel speed signals  
Left and right main gear wheel speed signals are processed by a circuit which is a model of aircraft rigid body motion to provide a synthesized nose wheel velocity representative signal.
4404846 Air flow rate measuring device incorporating hot wire type air flow meter  
The invention relates to an air flow rate measuring device making use of a hot wire type air flow meter and adapted to measure the true intake air flow rate while compensating for the error...
4376980 Variometer  
This invention concerns an improved variometer which is used in aircraft which operates on a circuit that calculates the instantaneous speed hx° of the aircraft and the potential vertical speed of...
4360888 Omnidirectional airspeed system  
A microprocessor receives sensor signals and produces signals proportional to total, longitudinal and lateral air speed. An omnidirectional air speed sensor uses pressure samplers on a rotating arm...
4319333 Mach airspeed indicator  
A mach airspeed indicator capable of internally determining mach number and VMO from measured altitude and airspeed information directly. An internal microprocessor, capable of storing a plurality...
4300200 Helicopter airspeed indicating system  
This invention provides a helicopter airspeed indicating system for providing an indication of a theoretical airspeed of a helicopter in which it is fitted. The airspeed is calculated using...
4143548 Measuring the speed of an aircraft  
A continuous wave ultrasonic wave transmitter transmits modulated waves in two opposite directions being intercepted by a forward receiver and an aft receiver. The received signals are demodulated...
4106093 Ground speed deriving circuit  
A circuit for generating a signal proportional to the ground speed and track angle of an aircraft derives a signal from a node in a coherent or vector filter having a position vector input and...
4023016 Signal characterizing apparatus  
A digital circuit for generating an error correction or otherwise characterized signal having a value which changes in accordance with a second signal such as the speed of an airplane (MACH). As a...
3987988 Ground speed calculation for digital DME  
A voltage controlled oscillator provides a pulse signal which, when frequency scaled, is representative of aircraft velocity. Pulses representative of passage of the aircraft over distance...
3960344 Precision mobile gravity survey and guidance system  
A gravity survey and aircraft guidance system comprises a pendulum clock mounted in an aircraft in level flight, having a pendulum bob with a signal sender mounted thereon. A signal receiver...
Matches 1 - 50 out of 78 1 2 >