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3872284 SHIPS INERTIAL NAVIGATION STORAGE AND RETRIEVAL SYSTEM (SINSARS)  
A system for storing and retrieving the outputs of inertial sensors (accelerometers) and of other appropriate quantities such as EM Log Data (velocity reference), time, gimbal angle information and...
3851303 HEAD UP DISPLAY AND PITCH GENERATOR  
A collimated head up display of pitch related information for an aircraft operator. A generated pitch signal combines a gyroscope signal referenced to the airframe with an inertial signal...
3848340 DISTANCE AND DIRECTION RECORDING DEVICE AND METHOD  
The specification discloses a system for recording distance and direction by shifting the center of gravity of a rotatable device as a function of the distance and direction traveled from a given...
3836690 NAVIGATION DATA COMPUTATION APPARATUS  
An improved navigation data computation apparatus having manually settable data entry devices receiving pilot entered data, a data computation assembly receiving the pilot entered data and...
3827361 SETTABLE PNEUMATIC ALTITUDE DETECTION EQUIPMENT  
A settable pneumatic altitude detection device provides an electrical sig to a missile or projectile for arming and destructing the missile or projectile at preset altitudes. The present...
3824386 APPARATUS FOR DETERMINING THE MOMENTARY TILT OF A VEHICLE OR CRAFT  
An apparatus for determining the momentary tilt of a moving vehicle or craft is provided with two translational accelerometers mounted rigidly on or in the vehicle or craft. The output signals of...
3806866 FLIGHT DATA DISPLAY SYSTEM  
A flight data display system providing the visual display of luminous markers which comprise, in particular, a fixed marker for indicating a reference incidence angle, a movable marker for...
3802372 METHOD AND APPARATUS FOR OBTAINING MAXIMUM SAIL WIND VELOCITY  
A pair of wind speed sensors are mounted on opposite sides of the mast of a sailboat rigged with two sails forming a slot therebetween such that on either windward tack one of the wind speed...
3787867 NAVIGATIONAL AID SYSTEM  
A navigational aid system is disclosed in which the operation of a plurality of navigational aid devices is synchronized by a distinctive radiated energy signal received by each of the devices so...
3774017 APPARATUS AND METHOD FOR ACHIEVING OPTIMUM PERFORMANCE OF AN AIRPLANE  
Apparatus for providing a pilot of an airplane with an indication of the specific energy of the airplane and a method for operating an airplane at an optimum level of performance by the application...
3754247 BERTHING DISPLAY APPARATUS  
A display apparatus which produces a display of a ship, a line representing an intended berth and indicators whose separation from the berth marker line represents the deviation of the closing rate...
3748900 RATE OF CHANGE OF ENERGY INDICATOR  
Apparatus for providing a pilot of an airplane with an indication of the rate of change of specific energy of the airplane.
3746843 DIGITAL COMPASS REPEATER READOUT DEVICE  
A solid state digital readout device for use with gyrocompass step data in the form of either current sinking logic or current sourcing logic. The input data is waveshaped in a plurality of...
3744312 NAVIGATION APPARATUS  
Navigation apparatus for a military tank includes three flux-valve detector-pairs that each sense fore-aft and athwartships components of the earth's magnetic field at different distances from the...
3744309 PITCH SIGNAL CALCULATOR FOR AIRCRAFT  
An instrument for calculating the pitch angle of an aircraft from two pitch signals, one having long term and the other short term pitch accuracy. The long term pitch signal is derived from a...
3722272 CLEAR AIR TURBULENCE DETECTORS  
A radiometer for use in aircraft as part of a clear air turbulence detector apparatus, constructed to provide signals representing the atmospheric temperatures of at least three regions ahead of...
3719337 FLIGHT CONTROL APPARATUS FOR MAINTAINING MAXIMUM GROUND SPEED WHILE WITHIN THE JET STREAM  
A system for maximizing ground speed utilizing jet stream air currents and/or providing guidance along the path of least resistance by processing of dynamic pressure information signals derived at...
3718042 AUTOMATIC GEOGRAPHICAL POSITION INDICATOR  
A navigation aid primarily for aircraft pilots and which functions as an automatic position indicator includes means for clamping a conventional air navigation chart beneath a transparent hollow...
3699316 STRAPPED-DOWN ATTITUDE REFERENCE SYSTEM  
A "strapped-down" attitude reference system, that is one which uses three nstrained rate-sensing gyros rather than free gyros. In addition, three accelerometers are used to obtain a vertical...
3696671 AIRCRAFT HORIZONTAL SITUATION NAVIGATION DISPLAY SYSTEM  
A display system is disclosed for a navigation director system in which a portion of an azimuth stabilized navigation chart is displayed optically with the aircraft position on the chart at the...
3691987 INDICATOR MECHANISM FOR NAVIGATION INSTRUMENTS  
An indicator mechanism for navigational instruments comprising first and second members mounted for rotation with respect to each other and with respect to the instrument housing. Drive means are...
3686936 METHOD AND APPARATUS FOR DETECTING STALL BUFFET  
An aircraft instrument has been designed to indicate impending stall buffet. An angle of attack indicator is provided with a dial having two scales, one displaying angles of attack and the other...
3685352 COURSE-MADE-GOOD APPARATUS FOR SAILBOATS  
A sailboat measures and displays course-made-good information with the use of a gimbal-mounted magnetometer sensor for detecting the direction of the earth's magnetic field. The magnetically...
3679297 DISPLAY SYSTEMS  
An aircraft head-up display is projected from symbol-markings borne by two complementary color filters superimposed in the light-path from an electric lamp. An horizon-line marking of the first...
3677278 SELF ACTIVATED FLUIDIC CONTROL FOR A SUBMERGED TOWED BODY  
A bi-stable fluidic amplifier is inserted in a towed body. The nose of the owed body is opened to admit fluid, which is funnelled under the force of the flow stream into the fluidic amplifier. A...
3657918 PERFORMANCE MONITOR FOR A VERTICAL GYRO  
Apparatus for monitoring a vertical gyro includes means for monitoring gyro vertically in the roll axis as a function of true air speed and rate of turn and monitoring vertically in the pitch axis...
3654806 AIRCRAFT INSTRUMENT  
An aircraft instrument utilizing a signal which represents the aircraft angle of attack, in a head-up display, to direct the pilot during the approach to a landing. The signal drives a bar in the...
3654443 ANGLE-OF-ATTACK COMPUTER  
An angle-of-attack computer using closed loop computation techniques wherein various on-board sensor outputs are combined to determine a first or initial measure of angle-of-attack which is then...
3652836 NAVIGATION DIRECTOR SYSTEM  
A navigation system is disclosed in which a displayed map is continuously and accurately controlled during flight of an aircraft to display the true relation between the aircraft and the terrain...
3651691 PENDULOUS TYPE INERTIAL REFERENCE DEVICES  
A non-gyroscopic inertial data reference device for aircraft capable of developing pitch angle, roll angle, lateral and longitudinal acceleration information and comprising a gravity-responsive...
3649818 GROUNDSPEED AND TIME-TO-GO COMPUTER  
A groundspeed and time-to-go computer for an aircraft. The groundspeed computation is implemented by counting the pulses from a fixed frequency pulse generator during an interval established by the...
3648232 FLIGHT PATH DISPLAY INSTRUMENT  
An electro-optical flight instrument is provided which accepts input signals from appropriate sensors and transducers on an aircraft to provide a visual display of the pitch angle of the aircraft,...
3635399 PEDOMETER WITH DIRECTION READOUT  
An integrating pedometer, to be carried by a person walking, having a pendulum pedometer movement, a spring-loaded escapement assembly which suddenly reciprocates a needle at distance-related...
3633534 MECHANICAL ANNUNCIATOR FOR INDICATING THE POSITION OF THE ACTUATION SHAFT OF A SELECTOR SWITCH  
A mechanical annunciator for indicating the position of the actuation shaft of a selector switch comprising a flag selectively positioned in view or out of view in accordance with two positions of...
3631476 MULTIPLE ANNUNCIATOR FOR AIRCRAFT INSTRUMENTS  
A display device for multiple annunciation instruments, particularly of the type used in aircraft, comprising a mask having two diametrically arranged apertures therein. A disk, having a plurality...
3630079 NAVIGATION METHOD AND APPARATUS UTILIZING MULTIPLE SENSORS  
The disclosure is directed to a navigation system for a vessel including a radio navigation system for generating signals representative of the absolute position of the vessel. A second independent...
3621210 COMBINED PERFORMANCE AND COMMAND INDICATOR  
Visual annunciation of predetermined scale segments of a performance indicator of the type comprising a zero or reference index and performance indications either side of the reference is utilized...
3619580 NAVIGATION AIDS  
A navigational aid including a position display device driveable to indicate orthogonal position coordinates of an aircraft in response to received pulses from a resolver fed by a transducer that...
3599488 APPARATUS FOR MEASURING AIR TURBULENCE ENCOUNTERED BY AIRCRAFT  
Air turbulence encountered by an aircraft is measured according to the equation I P T δ P T /(P T -K.P s ) 2 , wherein, with respect to turbulent air through which an aircraft is passing, I is...
3599597 ADJUSTABLE METER MOUNTING  
Apparatus for aligning a meter pointer relative to a housing in which the meter is installed. Three set screws arranged in a triangular pattern and threaded through a support structure rigidly...
3597598 METHOD AND MEANS FOR TRANSFORMING THE ACCELERATION SIGNALS GENERATED BY ACCELEROMETERS IN A FIRST COORDINATE SYSTEM INTO ACCELERATION SIGNALS IN A SECOND COORDINATE SYSTEM  
A method and means for transforming the acceleration signals generated by orthogonally disposed accelerometers mounted upon an untorqued inertial gyro platform into acceleration signals which are...
3596069 COMPUTER-STABILIZED MAGNETIC COMPASS  
A magnetic compass for navigating a craft incorporates magnetometers for sensing the earth's horizontal and vertical magnetic flux, roll and pitch accelerometers for continuously sensing the...
3595077 ALTIMETER  
An altimeter which continuously presents to the pilot of an aircraft the altitude of the aircraft above ground and in which the ground reference moves relative to a fixed sea level reference with...
3583360 PRECISION ADJUSTABLE EXCURSION LIMITERS  
Precision adjustable excursion limiters for a moveable element include a pair of arms pivotally mounted on an indicator drive assembly cover plate. One end of the arms are pivotally mounted to and...
3576124 SYSTEM AND METHOD FOR ALIGNING AN INERTIAL NAVIGATION SYSTEM  
A system and a method of aligning an inertial navigation system providing signals corresponding to azimuth movement of a vehicle moving in a known azimuth. The azimuth movement signals are compared...
3574283 A NUMERIC COLLIMATED DISPLAY INCLUDING MEANS FOR PROJECTING ELEVATION, ATTITUDE AND SPEED INFORMATION  
A simulated visual reference collimated heads-up display system for aircraft pilots arranged in the pilot's normal line of sight through the windshield and utilizing the established basic theories...
3545090 AIRCRAFT ATTITUDE INDICATOR DEVICES  
3545268 GROUND TRACK ALIGNMENT SENSING SYSTEM  
3545269 DISPLAY APPARATUS  
3545266 NONINERTIAL STRAPPING-DOWN GRAVITY GRADIENT NAVIGATION SYSTEM