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Portable automobile partition

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Class 74/5.6E - Electrical and magnetic


Subclass of Class 74 - Machine element or mechanism
No. of patents: 47
Last issue date: 03/16/1999


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NumberTitleIssue Date
5881598Flat-pack gyroscope
A flat pack gyroscope fabricated of a number of discrete flat layers, which, when assembled together, accomplish a version of a single degree of freedom, spinning wheel gyroscope....
03/16/1999
5445040Caging 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
5433123Measuring 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 an interior frame and an exterior frame, is provided with...
07/18/1995
5321986Polar 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
5105669Dynamically 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
5094104Rate of turn indicator
Rate of turn indicator for a nautical vessel, aircraft and the like indicating the rate of turn or swing in units such as degrees per unit of time from a particular course of travel. The indicator includes a magnetic gyro wheel including a flexible hub ro...
03/10/1992
5000053Apparatus 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
4993274Gyroscope 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
4986139Gyroscope control systems
A gyroscope system includes a gyroscope (1), angle pick-offs (5) and a control circuit (6,7). The angle pick-offs (5) sense the tilt of the gyroscope's rotor and generate a signal which is received by the control circuit (6,7). The control circuit generat...
01/22/1991
4929943Marine compass rate-of-turn indicator
An array of light emitting diodes in a circular arrangment are illuminated to indicate the discrete magnitude of rate-of-turn and the direction of turn. The number of diodes illuminated is indicative of the discrete magnitude of turn and the clockwise or ...
05/29/1990
4891997Dynamically 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
4848169Two axis rate gyro apparatus
A two-degree of freedom, open loop, spring restrained rate gyro apparatus includes a motor mounted in a housing with a conductive device provided for conducting operating voltages into and out of the housing. A shaft is rotatably mounted in the housing an...
07/18/1989
4823626Inertial 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
4751444DC motor system with AC auxiliary system
A direct current (DC) powered gyroscope (41) utilizes an alternating current (AC) subsystem in which electrolytic switches (49, 50) control torquer motors (45, 46). The alternating current is obtained from commutation circuitry (21-23) in the gyroscope sp...
06/14/1988
4722233Gyroscopic device for generating an angle corresponding to magnetic flux changes
The disclosure relates to a gyroscope in which an electric signal corresponding to an angle (-଱, +଱) between the rotor of the gyroscope and the frame of the rotor is generated. The rotor is provided with one or more permanent magnets. An eleme...
02/02/1988
4658658Coil system for inductive measurement of the velocity of movement of a magnetized body
A movement detection system for use in measuring movements of a rotating body or shaft which is magnetized along an axis which is angularly displaced from the mechanical axis of rotation thereof. The system has a plurality of inductive coils which are con...
04/21/1987
4658659Gyroscope
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
4651576Gyroscope 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
4612819Torquer for gyros
In a dry tuned gyro, two pairs of coils 44 having ferromagnetic cores 46 are provided as torquers, which act on a ferromagnetic gyro rotor 36. The coils 44 are each angularly offset by 90°. Opposite coils 44 are energized in opposite directions by a dire...
09/23/1986
4610172Induction feedback stabilized suspension gyroscope
A suspension gyroscope has a stator and a rotor rotatably mounted with respect to the stator. The rotor has at least one generally hemispherical portion which is, at least in part, electrically conductive. The rotor may also have disc-like portions which ...
09/09/1986
4587860Gyroscope apparatus, in particular a flexibly suspended and electrostatically supported gyro accelerometer
A flexibly suspended gyroscope apparatus comprises a fixed body (100), a rotary drive shaft (200) supported in said body, and a flywheel (220) mounted on said drive shaft by a rotary joint (222). The joint serves to retain the flywheel radially and to tra...
05/13/1986
4503718Azimuth determining gyroscope
In an azimuth determining gyroscope, a mechanically balanced gimbal is suspended from a fixed case by a wire which passes through the generally tubular upper portion of the suspended gimbal. A spin motor and a wheel for rotating about a vertical axis are ...
03/12/1985
4487083Pick-off, torquer, and reference signal generator for free rotor gyroscopes
The invention is an integrated pick-off, torquer, and reference signal generator system for a two-degree-of-freedom flexure-suspended free-rotor gyroscope and a miniature gyroscope incorporating such an integrated system. The three gyroscopic functions ar...
12/11/1984
4472978Stabilized gyrocompass
In a stabilized gyrocompass having meridian seeking gyroscopic means and slaved horizontal gryoscopic means disposed upon a common platform, a signal representative of the angle which develops between the meridian seeking gyro and the platform in response...
09/25/1984
4461176Miniature 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 cylindrical case; a motion sensor to determine any rotation o...
07/24/1984
4454777Flexure suspended gyro utilizing dual salient pole magnets
The torquer section of a gyro includes a plurality of torquer coils symmetrically positioned within a flywheel. A pair of parallel spaced radially oriented salient torquer magnets are located within the flywheel and are equidistant to each respective coil...
06/19/1984
4452092Torque feedback control for two degree of freedom rate sensor
In a gyroscopic reference system of the type having force rebalanced or flexure suspended gyroscope rate sensors and pulse width modulated torquer signals, undesirable transformer like coupling between the torquer coils and the pick-off coils and transfor...
06/05/1984
4357837Dynamically tuned gyroscopes
Gyroscope apparatus includes a tubular rotor that is supported at opposite ends by bearings, such as a gas-lubricated bearing, for rotation about its axis. A gimbal ring encircles the rotor and is resiliently supported with the rotor, for angular displace...
11/09/1982
4355541Magnetic gyroscope
A magnetic gyroscope includes a flexible rotating disk having a plurality of magnetic regions formed in or on the periphery of the disk. Typically four pairs of magnetic sensors are disposed about the disk at 90° angles with respect to each other to dete...
10/26/1982
4316389Rate of turn indicator
Rate of turn indicator for a nautical vessel, aircraft, and the like indicating the rate of turn or swing in units such as degrees per unit of time from a particular course of travel. The indicator includes a magnetic gyro wheel including a flexible hub r...
02/23/1982
4316394Magnetically suspended free rotor gyroscope
A gyro rotor is freely suspended in a housing for simultaneous rotation about a spin axis and a pair of precession axes in turn orthogonal to the spin axis, by a pair of magnetic suspensions spaced along the spin axis. Each magnetic suspension comprises a...
02/23/1982
4297883Rate of turn indicator
Rate of turn indicator for a nautical vessel, aircraft, and the like indicating the rate of turn or swing in units such as degrees per unit of time from a particular course of travel. The indicator includes a magnetic gyro wheel including a flexible hub r...
11/03/1981
4296639Free rotor gyro with three torquers and three pickoffs
A dynamically tuned free rotor gyro is equipped with a set of three case-fixed torquers equally spaced circumferentially about the drive axis beneath the rotor. Three pickoffs are arranged diametrically opposite the corresponding torquers beneath the roto...
10/27/1981
4290316Free-rotor gas-bearing gyroscope having electromagnetic rotor restraint and acceleration output signal
A two degree-of-freedom, free-rotor, gas-bearing gyroscope having greatly reduced sensitivity to acceleration-induced and other disturbances. An electromagnetic forcer acts on the rotor to keep the axial component of bearing deflection negligible. Closed-...
09/22/1981
4267737Dual suspension gyroscopic device having powered gimbal support
A dual suspension gyroscopic device includes a gyro having at least a single degree of freedom and defining an output axis, i.e., the sensitive axis of the gyroscopic device. The gyro is supported by a gimbal which in turn is supported in a case for unlim...
05/19/1981
4266432Gyro motor control
In order to eliminate the day-to-day gyro drift phenomena which result from interaction of the magnetic pole position of the synchronous motor typically used to drive the gyro and the gyro wheel, an induction motor controlled by a phase locked loop refere...
05/12/1981
4259871Gyroscopes
A gyroscope comprises a rotor driven by a motor shaft through the intermediary of an intermediate ring connected to the motor and to the rotor by torsion bars at 90° with respect to each other and precession motors for applying to the rotor, precession t...
04/07/1981
4257280Gyroscopes
The invention provides a gyroscope employing a sensitive element rotated by a hysteresis motor and which has an improved bias repeatability, the bias arising from vibration of the sensitive element imparted thereto by the hysteresis motor. An identifiable...
03/24/1981
4240301Free gyro motor drive circuit
A system which utilizes a free gyro motor drive circuit to control the sp and rotational direction of a gyro motor. The free gyro motor drive circuit includes a first sensing means for generating a up-down sinusoidal position signal and a second sensing ...
12/23/1980
4191346Target seeking gyro
A body is provided which consists of several discrete portions at least on one portion of which is spin stabilized. Mechanism is carried by the body for generating a signal having a frequency proportional to the spin frequency of the spin stabilized porti...
03/04/1980
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