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| Number | Title | Issue Date |
| 7365544 | Methods of adjusting airborne geophysical measurements based on mapping instrument measurements This invention concerns a method of making airborne geophysical measurements. Such measurements may be made from fixed or moving wing airplanes or dirigibles. The method comprises the following steps: taking first real time measurements from one, or more, geophysica... | 04/29/2008 |
| 7350303 | Level, angle and distance measuring device The portable self-contained horizontal and vertical level, angle and distance measuring device is suitable for indicating whether or when two or more points are level with each other and for measuring distances and angles between two or more points, a point and a li... | 04/01/2008 |
| 7337668 | Accelerometer in closed loop with error detection An accelerometric measurement device with a return loop including accelerometer, a corrector generating a signal for correction of the position of the accelerometer, a closed return loop to apply this correction signal to the accelerometer, a detector to detect an e... | 03/04/2008 |
| 7185858 | Spacecraft gyro calibration system A method of calibrating a gyro (42) of a spacecraft (14) may include determining a yaw attitude residual of the spacecraft. Roll gyro bias residual is determined in response to the yaw attitude residual. The gyro (42) is calibrated in response t... | 03/06/2007 |
| 7089674 | Angle-measuring gauge for motorcycles and the like An angle measuring guide includes a housing having a plurality of monolithically formed walls and an annular opening formed within selected ones of the walls. The rear wall has a planar surface for being directly mated with the motorcycle. A transparent lens is mono... | 08/15/2006 |
| 6965397 | Measuring camera attitude A system is disclosed for using camera attitude sensors with a camera. A camera assembly includes a tripod base, a tripod head interface mounted on the tripod base, a tripod head mounted on the tripod head interface and a camera mounted on the tripod head. The tripo... | 11/15/2005 |
| 6961643 | System and method for gyro enhanced vertical flight information A system and associated method where a vertical flight dynamic sensor is stabilized using pitch rate gyro information combined with azimuth rate gyro information corrected by scaling the azimuth rate gyro information in accordance with feedback derived from the diff... | 11/01/2005 |
| 6892118 | Pictographic mode awareness display for aircraft A device, method and computer program for generating and displaying graphical displays symbolic of current and available operational modes of instrument systems, such as navigation and autopilot systems. Accordingly, the method of the invention includes receiving a ... | 05/10/2005 |
| 6853315 | Piezoelectric rate sensor system and method A compact, lightweight, cost effective, self-contained standby electronic navigation system with high signal-to-noise ratio and good dynamic stability is provided. The system includes a first sensor module for providing a plurality of rotational rate signals, a seco... | 02/08/2005 |
| 6816064 | Escape apparatus detecting an emergency situation and providing illumination A survival device for use in an emergency situation includes a battery, a lamp, and a detection circuit for detecting an occurrence of the emergency situation and for switching the lamp to be powered by the battery when such an occurrence is detected. In one form, t... | 11/09/2004 |
| 6715213 | 3D angle measurement instrument A 3D angle measurement instrument includes a casing having a top and bottom with side walls extending therebetween. A gyroscope is positioned within the casing and electrically connected to a battery power source. The gyroscope is capable of measuring acceleration a... | 04/06/2004 |
| 6594911 | Long-term navigation method and device Using an inertial master box mounted on a carrier for measuring its movements with respect to a geographic frame of reference of fixed directions along three axes Xg, Yg, Zg, a measuring method provides for continuously measuring an orientation of a frame... | 07/22/2003 |
| 6588117 | Apparatus with gyroscopes and accelerometers for determining the attitudes of an aerodyne The invention relates to an apparatus for determining postures, in particular the attitude (θ) and the inclination ($c;) of an aerodyne, comprising: a strap-down gyrometer device providing the components of the vector (Ω) of instantaneous rotation of... | 07/08/2003 |
| 5172323 | Apparatus for determining the attitude of a vehicle A method of automatically determining attitude of a moving vehicle. Acceltion of the moving vehicle is measured with gyro stabilized accelerometers. The measurement is converted to a motion related vector in a first frame of reference. The coordinates ar... | 12/15/1992 |
| 4882845 | Gyroscopic artificial horizon A gyroscopic artificial horizon comprises a gyroscope suspended in a gimbal ount which has an inner frame and an outer frame pivoted, one within the other, about two orthogonal axes. It also comprises a device for sensing the spatial position of the axis o... | 11/28/1989 |
| 4878054 | Method and device for representing the horizon on board an aircraft As a method and device for representing the horizon on board an aircraft, there is displayed on the cathode tube of a collimator an image comprising a circle of small size inside which there are, on the one hand, a horizon line inclined to the horizontal ... | 10/31/1989 |
| 4786905 | Wind shear detector head-up display system An aircraft performance instrument which provides a first indicator which represents the line of level flight of the aircraft and a second indicator representative of the maximum permissible angle of attack of the aircraft.... | 11/22/1988 |
| 4682171 | Turn-and-bank indicator which displays the total angle or total time of a turn A turn-and-bank indicator can integrate with regard to time the displacement of a pointer of the turn-and-bank indicator, the pointer indicating the turning rate of the airplane. It includes a non-contact converter which outputs an electrical signal in pr... | 07/21/1987 |
| 4513509 | Attitude director indicator The invention relates to an aircraft attitude indicator having a gyro controlled spherical display with delineations of regularly spaced meridians that maintain a vertical orientation and spaced parallels transverse to the meridians, one of which is an eq... | 04/30/1985 |
| 4399425 | Circuit for operating a flight navigation indicator A circuit for use in aircraft navigation equipment includes operational amplifiers to drive a cockpit indicator such as an electric meter linearly over a first predetermined range, constantly over a second predetermined range, and out of view over a third... | 08/16/1983 |
| 4367383 | Push button mechanism with locking device for two stable positions A push-button mechanism, for example, for a telephone instrument of the type which from a first stable initial position of the push-button is locked in a second stable position when depressed and returns to the initial position when again depressed. The p... | 01/04/1983 |
| 4193059 | Attitude indicator comparator warning system The indications of attitude indicators at two different indicating locations that are indicating the same parameter but actuated from different sources, are monitored for the same indication by electrically interconnecting two transolvers that are mechani... | 03/11/1980 |
| 4151656 | Manually manipulatable gyroscope-stabilized indicating apparatus and method for its use A manually manipulatable gyro-stabilized indicating instrument which may be used by pipefitters, carpenters, builders, land and road graders and the like for solving a construction problem involving determining the orientation in space of an unknown geome... | 05/01/1979 |
| 4060910 | Orientation system An orientation system adapted to be mounted within a vehicle, comprising a display including a rotational heading indicating compass card fabricated from an image retaining electronic display panel responsive to bearing data signals.... | 12/06/1977 |
| 4038876 | Acceleration error compensated attitude sensing and control apparatus and method A structural body is monitored in angular position about at least one axis by utilizing a tilt sensor responsive to tilt about the one axis and a sensor responsive to angular acceleration of the body about the one axis. The tilt sensor also responds to th... | 08/02/1977 |
| 4013946 | Means for determining a first magnetic field direction by measuring secondary magnetic fields induced in a body rotated in said first field A phase-sensitive device for determining the direction of a primary magnetic field is disclosed which includes an electrically conductive rotor mounted for rotation about a predetermined axis. The rotor includes means for defining at least one electrical ... | 03/22/1977 |
| 3974699 | Angular position sensing and control system, apparatus and method A structural body is monitored in angular position about at least one axis by utilizing a level sensor and a sensor responsive to angular motion of the body about the axis being monitored. An output indicative of long term angular variations of the body a... | 08/17/1976 |
