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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8104364 | Vibratory gyroscope balanced by an electrostatic device Described is a gyroscope with a vibrating structure, produced by micromachining in a thin wafer, which comprises a movable inertial assembly comprising at least one movable mass able to vibrate in the plane of the wafer along a drive axis x and along a sense axis y ... | 01/31/2012 |
| 7194813 | Gyrocompass A gyrocompass has a gyrosphere which incorporates a rotor and floats in a liquid tank filled with an electrolyte, and a plurality of electrodes which are disposed in the gyrosphere and the liquid tank, and are respectively opposed through the electrolyte, wherein at... | 03/27/2007 |
| 7190097 | Cross plane wide-gap motor system for gimbal An apparatus for the control and alignment of a sensor on a moving vehicle is provided that includes a gimbal ball supported by an outer axis structure and adapted to pivot about an outer elevation axis and about an outer azimuth axis. The outer axis structure is mo... | 03/13/2007 |
| 7121159 | Apparatus and method for gyroscopic propulsion The present invention is a combination of three interconnected gyroscopic ring-like rotating masses, with each of the three ring-like masses being configured to rotate in various planes, depending on the desired orientation. Regardless of the orientation of the thre... | 10/17/2006 |
| 7106189 | Tracking system and methods thereof The present invention relates generally to tracking systems and methods for monitoring the location of an asset or group of assets. In particular, the present invention provides systems for monitoring the location of a large group of assets. Furthermore, the present... | 09/12/2006 |
| 7102258 | Manual electric generating device The present invention discloses a manual electric generating device, which comprises an upper casing, a lower casing; a rotor, a fixed stand, a hollow cylinder, a coil for generating power supply; and a printed circuit board for processing and outputting the power s... | 09/05/2006 |
| 7088019 | Air bearing for MEMS based motor A MEMS (micro-electromechanical system) device having a rotor 44, a stator 43 and a shaft 27 connected to the stator 43 and around which the rotor 44 rotates. Grooves 47 are formed in a portion of the rotor 44, such t... | 08/08/2006 |
| 7056236 | Soccer kicking training apparatus A soccer kicking practice apparatus is provided with an elongated soccer ball mounting arm comprised of a center shaft positioned inside of a coil spring. An outside end of the elongated soccer ball mounting arm is provided with a soccer ball mounting device. An ins... | 06/06/2006 |
| 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 and velocity of the device without the need for electronic integration... | 05/09/2006 |
| 7009321 | Compact two-axis wide gap torquer motor A novel design concept for a torquer motor is useful for stabilizing apparatuses in a vibrating structure. According to one aspect, a novel design for a coil pair is provided. A first coil in the pair is box shaped with a hollow interior portion and windings provide... | 03/07/2006 |
| 7009310 | Autonomous power source An autonomous power source comprises a power harvester mounted on a movable structure. The power harvester includes a coil, a magnet, and a low-friction ferrofluidic bearing in contact with the magnet, arranged such that the magnet and coil move with respect to each... | 03/07/2006 |
| 6907800 | Shaftless gyrostabilizer for aerial platforms Gyrostabilizer methods and apparatus having simultaneously counter-revolving masses that do not require physical shafts or axles. The stabilizer can have dual counter-revolving concentric rings, or tracks filled with weights such as spherical balls, that are propell... | 06/21/2005 |
| 6834561 | Radially actuated control moment gyroscope The present invention provides a control moment gyroscope that overcomes many of the limitations of the prior art. The control moment gyroscope provides a radial actuator mechanism to provide rotation to an inner gimbal assembly around a gimbal axis. The radial actu... | 12/28/2004 |
| 6789437 | Apparatus for precision slewing of flatform-mounted devices An apparatus and a method for controlling the path of oscillatory travel of a device within a two-axis system. A device, such as a camera, is held in a two axis gimbal system having motors for driving the azimuth and pitch axes. A two degree-of-freedom gyroscope is ... | 09/14/2004 |
| 6705174 | Apparatus and method for gyroscopic propulsion The present invention is a combination of three interconnected gyroscopic ring-like rotating masses, with each of the three ring-like masses rotating in a separate plane. Each of the three interconnected rotating masses will share substantially the same center of gr... | 03/16/2004 |
| 6615681 | Hybrid wafer gyroscope A hybrid wafer gyroscope includes a combination of micro-machined components and traditional electromechanical components to form a miniature gyroscope having a high degree of stability. The gyroscope includes a rotor, gimbal, flexures, and stop cutouts m... | 09/09/2003 |
| 6351049 | Ball joint type magnetic bearing for tilting body A magnetic bearing for centering a first body, which is mobile in tilting, relative to a second body includes: a hollow outer part at least part of which is made from a ferromagnetic material and which is attached to the first body and which has an inside ... | 02/26/2002 |
| 6145393 | Floated gimbal optical platform The invention is a floated gimbal instrument platform that provides a stable optical path for optical instruments. The instrument platform has an outer vessel with a transparent viewing port, an inner vessel also with a transparent viewing port, a transpa... | 11/14/2000 |
| 5868031 | Triaxial gyroscopic stabilizer for movie or television camera A triaxial gyroscopic stabilizer for a movie or television camera has a camera in a cardan suspension unit, two three-stage gyroscopes, controlled linkages for adjusting course, banking and pitch, booster-converters, a set of accelerometers, a pitch angle... | 02/09/1999 |
| 5791591 | Target seeking free gyro A free gyro for use with a missile's seeker which allows the seeker to tr the target. The free gyro includes a support structure having a pair of roll axis forks which support a pitch gimbal and allow for rotational movement of the pitch gimbal about a p... | 08/11/1998 |
| 5476018 | Control moment gyro having spherical rotor with permanent magnets A multi-freedom electric motor has a broad operational range and a wide space for accommodating an article. The electric motor includes a spherical rotor, a plurality of magnets disposed on an outer surface of the rotor with polarities of the respective a... | 12/19/1995 |
| 5445040 | Caging system A caging system for a magnetized rotor of a gyro. A capacitive detector dcts amounts of linear deflection of the rotor, from an upright position, over time. A computer calculates the linear deflection velocity of the rotor. A power supply sends an amount... | 08/29/1995 |
| 5413010 | Electric motor having a spherical rotor and its application apparatus A multi-freedom electric motor has a broad operational range and a wide space for accommodating an article. The electric motor includes a spherical rotor, a plurality of magnets disposed on an outer surface of the rotor with polarities of the respective a... | 05/09/1995 |
| 5386738 | Direct torque control moment gyroscope A control moment gyroscope for providing directional control in a spacecraft. The control moment gyroscope has a rotor which is electrostatically or magnetically supported within a gimbal housing so as not to touch any of the interior surfaces of the hous... | 02/07/1995 |
| 5321986 | Polar loop implementation for a two degree of freedom gyro A two degree of freedom gyroscope having a drive motor (20), with a permanent magnet rotor (22), which comprises a sensing coil (32) looped around the permanent magnet rotor (22) and disposed in a plane orthogonal to a null spin axis, a torquer coil loope... | 06/21/1994 |
| 5245880 | Gryoscope control system A control system for, for example, a null-point gyroscope is provided in which, to minimize stiction, the control system is arranged to apply a decreasing oscillatory drive output to a precessed element of the gyroscope.... | 09/21/1993 |
| 5105669 | Dynamically tuned gyro With an electrically caged, dynamically tuned gyro, the torquers (34, 36) contain two annular discs (58, 60) which extend out radially and are attached to the gyro rotor (18). The annulalr discs (58, 60) are axially magnetized and an air gap (66) is forme... | 04/21/1992 |
| 5000053 | Apparatus for increasing suspension stiffness in a gyro Suspension stiffness about the input axis of a gyro is increased by selectively disabling suspension legs when the gyro float exceeds a predetermined deviation away from the equilibrium position. Float position may be measured directly or inferred from mo... | 03/19/1991 |
| 4993274 | Gyroscope system A gyroscope system comprises a dual-axis rate gyroscope (1) including angle pick-offs and rotor torque applying device (5), and a control circuit (3) arranged to supply a control signal to the rotor torque applying device (5) in accordance with the output... | 02/19/1991 |
| 4961352 | Magnetic bearing and suspension system A magnetic rotor suspension system including a magnetic rotor having a spin axis, and a generally spherical housing spaced from the rotor. The system includes means attached to the housing for applying magnetic fields to the rotor to fix its lateral and a... | 10/09/1990 |
| 4891997 | Dynamically tuned gyro A dynamically tuned gyro is disclosed in which a gyro rotor is mounted on an rotor shaft of a spin motor through the medium of a hinge unit. The rotor shaft is in the form of a hollow hysteresis ring mounted rotatably by the intermediary of a pair of bear... | 01/09/1990 |
| 4885489 | Permanent magnet motor with hysteresis drag cup coupling A permanent magnet, alternating current motor having a variable hysteresis output coupling has an annular permanent magnet rotor caused to rotate within a stator structure. This permanent magnet rotor is capable of being shifted laterally to engage or dis... | 12/05/1989 |
| 4870310 | Portable crash-survivable kinetic energy storage machine A portable crash-survivable kinetic flywheel storage machine which makes use of a ring shaped flywheel which is designed to be suspended by electromagnetic levitation. The structural and mechanical arrangement combine to allow functions which the unique e... | 09/26/1989 |
| 4823626 | Inertial sensor arrangement An inertial sensor arrangement comprises two electrically restrained gyros with three mutually orthogonal input axes. After A/D-conversion pick-off signals are supplied to a digital computer which forms part of the restraining loop of the gyros and provid... | 04/25/1989 |
| 4703654 | Liquid bearing two degree of freedom inertial sensor apparatus Liquid bearing two degree of freedom inertial sensor apparatus is disclosed. A single liquid bearing sensor is configured in a two degree of freedom rate gyro mode, or two of the liquid bearing sensors are made pendulous along their spin axes and configur... | 11/03/1987 |
| 4658659 | Gyroscope A gyroscope with a rotor which rotates about a nonrotating axis is simple its structure and has but a few movable parts because the rotor axis (2) is divided into two sections by an articulation piece (8), whereby one section (2a) is connected with the h... | 04/21/1987 |
| 4651576 | Gyroscope having temperature controlling arrangement Gyroscopes, particularly those with permanent magnet torquers, may be temperature sensitive. A temperature signal may be derived and used to correct the temperature dependent parameters such as gyro scale factor. Herein, instead of or in addition to such ... | 03/24/1987 |
| 4648284 | Apparatus and method for reducing gyro activation time The apparatus and method for reducing gyro activation time is to be used with a gyroscope including a float floated within an outer case. An electromagnetic suspension is provided for maintaining the float at an equilibrium position within the outer case.... | 03/10/1987 |
| 4643034 | Gyroscopically stabilized magnetic suspension system The gyroscopically stabilized magnetic suspension system constitutes a base assembly which itself constitutes a narrow beam source of electromagnetic energy disposed at substantially the radial center of the base assembly. The base assembly also includes ... | 02/17/1987 |
| 4642500 | Control arrangement for magnetic bearing apparatus An electromagnetic bearing apparatus having five degrees of freedom includes two radial magnetic bearings. Each of the radial bearings consists of two pairs of electromagnets. The electromagnets of one pair are arranged opposite one another around a rotat... | 02/10/1987 |
