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7040164 |
Method of simultaneously and directly generating an angular position and angular velocity measurement in a micromachined gyroscope
A sensor is fabricated with micron feature sizes capable of simultaneously measuring absolute angles of rotation and angular rotational rates. The measurements are made directly from the position...
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6912078 |
Electrostatically actuated micro-electro-mechanical devices and method of manufacture
One embodiment is directed to a gimbal mechanism for a MEMS mirror device having folded flexure hinges. Another embodiment is directed to a gimbal mechanism having a frame with through-holes or...
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6888662 |
Micro-mechanical system employing electrostatic actuator and fabrication methods of same
A vertical electrostatic actuator is based on a layered structure consisting of two conducting or semiconducting layers separated by an insulating layer and/or layered structure consisting of...
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6776041 |
Micromechanical rotation rate sensor
A micromechanical yaw rate sensor having: a substrate having an anchoring device provided on the substrate; and an annular flywheel that is connected, via a flexural spring system, with the...
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6750999 |
Reconfigurable quasi-optical unit cells
A quasi-optical system is provided. More specifically, a quasi-optical system is provided comprising various embodiments of quasi-optical grids (such as arrays or layers and the like) with...
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6665110 |
Diagonal to rectangular pixel mapping for spatial light modulator
A method of mapping diagonal rows and columns of two-dimensional grid elements to rectangular rows and columns of two-dimensional grid elements. The method is of particular use with a spatial light...
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6609037 |
Gimbal pointing vector stabilization control system and method
A hybrid stabilization system for isolating a pointing vector of a gimbal from the motion of a vehicle base is provided. The hybrid stabilization control system includes a rate feedback loop...
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6584840 |
Angular velocity sensor
A sensitive angular velocity sensor is provided without increasing an inter-electrode gap for inducing a torsional vibration. An angular velocity sensor which employs an electrostatic drive system...
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5915275 |
Oscillating gyroscope
An oscillatory gyroscope is described based on a three gimbal structure whose output is the rotary deflection of the middle gimbal. Closed loop operation is achieved by the oscillatory interaction...
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5882532 |
Fabrication of single-crystal silicon structures using sacrificial-layer wafer bonding
A thin micromechanical device is fabricated in a way that is mechanically compatible with wafer handling for conventional-thickness wafers. A removable bonding layer bonds a fabrication wafer to a...
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5712426 |
Pendulous oscillating gyroscopic and accelerometer multisensor and amplitude oscillating gyroscope
A pendulous oscillating gyroscope and accelerometer multisensor having an accelerometer input axis and a gyroscopic input axis, comprising: a fixed case; a servo driven member mounted to the case...
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5691470 |
Pendulous oscillating gyroscopic accelerometer
A pendulous oscillating gyroscopic accelerometer, comprising: a fixed case; a servo driven member mounted to the case for oscillation about a servo axis; a torque summing member mounted to the...
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5650568 |
Gimballed vibrating wheel gyroscope having strain relief features
A gimballed vibrating wheel gyroscope for detecting rotational rates in inertial space. The gyroscope includes a support oriented in a first plane and a wheel assembly disposed over the support...
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5555765 |
Gimballed vibrating wheel gyroscope
A gimballed vibrating wheel gyroscope for detecting rotational rates in inertial space. The gyroscope includes a support oriented in a first plane and a wheel assembly disposed over the support...
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5433123 |
Measuring and transmitting system for position gyros
A measuring and transmitting system of measuring signals for the deflection of an interior frame angle of a position gyro cardanically mounted in an exterior housing, in which the position gyro has...
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5331852 |
Electromagnetic rebalanced micromechanical transducer
A method and apparatus for electromagnetically rebalancing a micromechanical transducer via a plurality of current carrying electrodes disposed beneath or above the transducer interacting with a...
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4461176 |
Miniature gyroscope
A miniature rate-integrating gyroscope is shown to comprise: an electrical motor (whose rotor, when rotating, constitutes a gyroscopic mass) mounted in a single degree of motion gimbal within a...
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4445375 |
Tuned coriolis angular rate measuring device
A tuned coriolis, angular rate measuring device includes a substantially hollow, generally annular rotor driven by a high-speed, synchronous spin motor. The rotor is made unsymmetrical by mounting...
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4426889 |
Molded inertial sensor
Structural elements of an inertial sensor are fabricated from molded plastic materials. The structural elements are characterized by relatively, small cross-section areas, and further incorporate...
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4342226 |
Turn indicator for ships or aircraft
A turning indicator for indicating the turning direction and the turning speed of course changes of a ship or an aircraft, in which an electromotor is movably mounted between two supports of a...
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4214482 |
Inertial instrument
Disclosed is apparatus and method for accurately determining the direction of true north or the change in drift of other gyroscopes. The apparatus comprises a single degree of freedom gyroscope...
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4161884 |
Turn rate indicator of aircraft using gyroscope
A turn rate indicator of an aircraft wherein the outer rotor of a Hall motor is used as a gyro rotor. A driving circuit for the gyro stator circuit is provided integrally with the gyro gimbal. The...
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4149418 |
Turn rate indicator of aircraft with improved zero seeking characteristics
A turn rate indicator for an aircraft includes magnetic substance pieces facing each other, one being rotatable integrally with a gimbal and the other being fixed to a body. Because of the...
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4016469 |
Sensor including means for operating the sensor in rate measuring and stabilization modes
A sensor including means for operating the sensor in angular rate measuring and stabilization or rate integrating modes. When operating in the rate measuring mode, a loop is closed through an...
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4005608 |
Electrically controlled rate integrating device
A rate integrating device includes a torquer in open loop configuration for torquing the device to null and a load connected to the device in closed loop configuration for maintaining the device at...
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3599495 |
SYSTEMS FOR GYROSCOPICALLY STABILIZING AND CONTROLLING EQUIPMENT MOUNTED ON VEHICLES
A system by which equipment mounted on a vehicle, such as an aerial on a ship, may be stabilized and controlled comprises mounting the equipment on a three-axis gimbal s stem with the elevation...
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3526145 |
ACCELERATION INTEGRATING GYRO
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3490297 |
DUAL-ROTOR INERTIAL SENSOR
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3486383 |
VIBRATING BEAM TRANSDUCER
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3477298 |
GYROSCOPIC APPARATUS AND SYSTEMS
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3375722 |
Linear and angular velocity and acceleration measuring instrument
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3371332 |
PANNING RATE INDICATOR
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3358513 |
Bearings
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3277840 |
Vehicle stabilization system
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3277725 |
Method of and apparatus for testing rate gyros
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3252339 |
Gyroscopic apparatus
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3241377 |
Method of and apparatus for detecting angular motion
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3240050 |
Gimbal mounted self-test mechanism for an angular rate gyroscope
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3239118 |
Web transport system
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3186211 |
Self checking gyroscopic apparatus
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3141339 |
Control device using gyroscope precession for measurement of displacement
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3053095 |
Apparatus for measuring and regulating very low speeds
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3004221 |
Gyro ammeter
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2795957 |
Multiple derivative instruments
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2785573 |
Gas-floated gyroscopes
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3616699 |
Title is not available
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