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Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 5788188 | Control of the attitude of a satellite in low orbit involving solar acquisition For controlling the attitude of the body of an earth satellite placed on a low orbit, values of components of the geomagnetic field of the earth are measured along three axes of a frame of reference bound to the body. The values are derivated with respect... | 08/04/1998 |
| 5788189 | Spacecraft and an attitude control method for a spacecraft A spacecraft is provided which has an environmental disturbance torque filter that predicts the environmental disturbance torque acting on the spacecraft, and an unloading control section 5 which establishes, from the predicted environmental disturbance t... | 08/04/1998 |
| 5787368 | Spacecraft yaw control using only wheel speed measurements processed through a simple filter bank An attitude or orientation control system for spacecraft that provides for yaw axis error reduction and momentum dumping using a simple calculation involving only the momentum wheel speeds as input and which outputs two axis (roll and yaw) torque commands... | 07/28/1998 |
| 5752675 | Thruster control of yaw without yaw measurements An automatic, on-board system for orbiting spacecraft that controls yaw excursions caused by solar torques and thruster firings, which system combines inputs indicative of roll and yaw momentum increases and inputs containing information comprising the un... | 05/19/1998 |
| 5702067 | Method and apparatus for determining the angular momentum vector of a satellite The invention relates to a method for determining the angular momentum vector of a satellite, located in an external magnetic field, relative to a satellite-integral orthogonal system of coordinates. The satellite has a torque generating system to generat... | 12/30/1997 |
| 5540405 | Method and apparatus for compensating for magnetic disturbance torques on a satellite This invention discloses a method for compensating for the disturbance torque on an orbiting satellite (10) from the interference of the earth's magnetic field lines with particular current loops associated with the satellite (10). The current flow in the... | 07/30/1996 |
| 5413293 | Magnetic torque attitude control systems A magnetic torquing system for a spacecraft using conducting coils is disclosed. In one embodiment, the conductors (44, 46) on a spacecraft's (10) solar wing (28, 30) which connect the solar cell strings (38) to the voltage controller (48) are wired to pr... | 05/09/1995 |
| 5354016 | Pivoted wheel roll control with automatic offset A 3-axis stabilized spacecraft includes roll and yaw magnetic torquers, and a momentum wheel oriented with its spin axis orthogonal to, and pivotable about, the roll axis. Roll control may be applied by pivoting the wheel. Secular increases in pivot angle... | 10/11/1994 |
| 5279483 | Attitude control system for a three-axis stabilized satellite especially a remote sensing satellite An attitude control device for a three-axis stabilized satellite in terrestrial orbit embodies an attitude sensing system adapted to deliver roll, yaw and pitch attitude signals, a set of at least three non-parallel axis momentum wheels and a set of at le... | 01/18/1994 |
| 5259577 | Attitude control system for three-axis stabilized satellite in near-equatorial orbit A roll/yaw attitude control system for a three-axis stabilized satellite in an at least approximately Equatorial orbit embodies a processor circuit connected between a roll, yaw and pitch attitude sensing device including a terrestrial sensor and a stella... | 11/09/1993 |
| 5248118 | Spacecraft attitude control system with reaction wheel bearing protection A spacecraft includes an attitude control system using one or more reaction wheels, the speed of which from time to time lie near and pass through zero angular velocity. When operated for extended periods of time at low speeds, the lubrication films are n... | 09/28/1993 |
| 5158250 | Spin-stabilized artificial satellite with passive compensation of solar radiation pressure A satellite adapted to be stabilized in terrestrial orbit by rotation about an axis oriented at least approximately NORTH-SOUTH has on its external wall a solar generator composed of a plurality of columns of solar cells divided into groups adapted to sup... | 10/27/1992 |
| 5141180 | Satellite attitude control system using a superconducting magnetic loop A satellite comprising a deployable solar generator that can be oriented relative to the satellite body is kept facing the sun at all times. It includes an attitude stabilization device comprising a superconductive material closed loop carried by a suppor... | 08/25/1992 |
| 5123617 | Spacecraft momentum unloading using controlled magnetic torques A method for maintaining the attitude of a three-axis controlled satellite by use of magnetic torquers includes using magnetometers for measuring the direction of the ambient geomagnetic field. The direction of the net reaction wheel momentum is also dete... | 06/23/1992 |
| 5047945 | Residual magnetic dipole cancellation system for satellites The magnitude and direction of the residual magnetic field or dipole of an orbiting spacecraft is estimated from the attitude-perturbing effects of its interaction with the magnetic field of the heavenly body about which it orbits. The measurements are pe... | 09/10/1991 |
| 4916622 | Attitude control system An attitude control system using magnetic torquing is enhanced using a momentum wheel which is pivoted if the sensed error signal about the roll axis exceeds a given threshold. The momentum wheel is pivoted under control of a stepping motor through a firs... | 04/10/1990 |
| 4883244 | Satellite attitude determination and control system with agile beam sensing Agile (electronically steerable) beam sensing with associated on-board processing, previously used exclusively for positioning of antennas for beam formation and tracking in communications systems, is now also used for satellite active attitude determinat... | 11/28/1989 |
| 4807835 | Spacecraft attitude stabilization system The attitude of a spacecraft can be effectively controlled in three axes using the combination of a gravity gradient boom and three electromagnets. The electromagnets are controlled according to a control law that takes into consideration signals from a m... | 02/28/1989 |
| 4746085 | Method for determining the earth's magnetic field and a satellite's attitude for attitude control A method for determining the earth's magnetic field and, selectively, additionally, for determining a satellite orientation as a premise for the attitude control of an earth satellite in a known orbit. The satellite is equipped with magnetic coils 5, 6, a... | 05/24/1988 |
| 4661737 | Electrical machines with multiple axes of rotation Electrical machine including a base member, a rotor and a stator. The base member has a first magnetically permeable body with a first winding arrangement. The rotor has a second magnetically permeable body and is rotatable relative to the base member aro... | 04/28/1987 |
| 4504912 | Satellites and roll/yaw controls therefor In the disclosed satellite and arrangement therefor, roll or yaw of a satite with pitch momentum bias and travelling on a substantially polar orbit with the aid of a coil interacting with the earth's magnetic surface includes a timing arrangement for div... | 03/12/1985 |
| 4489383 | Closed-loop magnetic roll/yaw control system for high inclination orbit satellites A closed-loop magnetic roll/yaw control system for high inclination satellites where the predominant component of the geomagnetic field lies in the orbit plane of the satellite. The system includes a torquing means that forms a magnetic dipole moment para... | 12/18/1984 |
| 4483570 | Magnetic bearing arrangement for an artificial satellite A magnetic bearing arrangement for rotor for controlling the attitude of an artificial satellite wherein the rotor has a rotating speed and an axis of rotation which are adjusted in accordance with a change in the attitude of the satellite. The arrangemen... | 11/20/1984 |
| 4424948 | Magnetically torqued nutation damping A system for actively damping nutation of a satellite and/or aligning the pitch axis of a momentum bias satellite with some external reference includes a magnetic torquing means which is energized with currents of appropriate polarity and magnitude to eff... | 01/10/1984 |
| 4325586 | Electromagnetic process for controlling orientation of a platform and platform for carrying out said process Electromagnetic method and apparatus to accurately control the orientation of a platform according to two axes wherein pivoting of the platform about two orthogonal axes passing through its center is effected by electromagnetic means, with the servo-contr... | 04/20/1982 |
| 4170904 | Single-axis disturbance compensation system The invention relates generally to an improved system for sensing and compensating for external disturbance forces acting on a satellite while in orbit. A proof mass member is housed within an enclosure and shielded from external, non-gravitational forces... | 10/16/1979 |
| 4168048 | Eddy current nutation damper with progressive damping factor A nutation damper apparatus capable of damping small nutation angles in a satellite. A permanent magnet mounted on the free end of a pendulum arm oscillates back and forth parallel to an adjacent conductive plate in the form of a circular segment having a... | 09/18/1979 |
| 4164018 | Method and apparatus for steering a spacecraft and regulating its onboard supply voltage The invention relates generally to a method of regulating the onboard voltage of a spacecraft and of steering the same by at least two contrarotating motor-generator dynamoelectrical machines. According to said method, there are provided two phases: The energy... | 08/07/1979 |
| 4114841 | Magnetic torquing system for changing the spin rate of an orbiting satellite The angular momentum of a tumbling orbiting satellite is changed to reduce the spinning of the spacecraft such that the spacecraft can operate in an essentially stabilized condition. The change in spin rate is accomplished by the development of a magnetic... | 09/19/1978 |
| 4084773 | Magnetic control of spacecraft roll disturbance torques For a spacecraft in an equatorial or low inclination orbit predictable roll disturbance torques due principally to solar radiation pressure are minimized by interacting a magnetic dipole oriented parallel to the spacecraft's yaw axis with the earth's magn... | 04/18/1978 |
| 4084772 | Roll/yaw body steering for momentum biased spacecraft Roll and yaw attitude errors introduced by orbit inclination deviations from the nominal orbit plane are minimized by sinusoidally varying the momentum produced by a transverse wheel mounted on the spacecraft. The wheel is mounted on the spacecraft such t... | 04/18/1978 |
| 4071211 | Momentum biased active three-axis satellite attitude control system Control of an active three-axis multiple-wheel attitude control system is provided with a bias momentum to achieve stiffness about the pitch axis. With this stiffness, the system overcomes the inherent inability of a zero momentum system employing the sun... | 01/31/1978 |
| 4065189 | Magnetically suspended angular momentum wheel A momentum wheel wherein friction has been substantially eliminated by replacing mechanical bearings with a magnetic suspension. The rotor of the momentum wheel, in the form of a circular disk whose diameter greatly exceeds its thickness, is maintained in... | 12/27/1977 |
| 4062509 | Closed loop roll/yaw control system for satellites Attitude of a pitch momentum biased satellite in a low inclination orbit is controlled by a closed loop magnetic torquing control system. A magnetic dipole oriented perpendicular to the satellite's pitch axis in the roll/yaw plane and at a predetermined a... | 12/13/1977 |
| 4034941 | Magnetic orientation and damping device for space vehicles A bar magnet is suspended by torsion wires and a ring inside a spherical frame rigidly attached to the space vehicle. The frame is filled with a damping fluid and damping domes are attached to each end of the bar magnet. The damping fluid and damping dome... | 07/12/1977 |
| 4010921 | Spacecraft closed loop three-axis momentum unloading system A system for autonomously unloading accumulated angular momentum on space craft reaction wheels in the attitude control systems with external torques generated by the interaction of spacecraft magnetic dipoles with the earth's magnetic field. An onboard c... | 03/08/1977 |
| 3955858 | Satellite momentum wheel The invention provides a satellite momentum wheel with passive magnetic centering means, between a stator and a rotor comprising at least one passive radial magnetic centering device, at least one axial magnetic centering device slaved to an axial velocit... | 05/11/1976 |
