Abrégé

The present invention relates to a computer-implemented method for operating a motion simulation system, the method comprising: receiving first data from a motion base comprising a moveable platform, the first data indicative of motion of the moveable platform; determining one or more first values based on the received first data, the one or more first values indicative of an estimated motion of a head mounted display worn by a user on the movable platform; receiving second data from one or more sensors of the head mounted display, the second data indicative of a detected motion of the head mounted display; determining one or more second values based on the received second data; comparing the one or more first values to the one or more second values; based on the comparison, identifying a movement of the head mounted display relative to the movable platform; determining a field of view of a virtual environment based at least in part on the identified movement of the head mounted display relative to the platform; and causing the field of view to be displayed via one or more display screens of the head mounted display.

Classes IPC  ?

• G09B 9/12 - Systèmes de déplacement pour simulateurs d'aéronef
• G09B 9/30 - Simulation de vue à partir d'un aéronef
• A63F 13/21 - Dispositions d'entrée pour les dispositifs de jeu vidéo caractérisées par leurs capteurs, leurs finalités ou leurs types
• G09B 9/042 - Simulateurs pour l'enseignement ou l'entraînement pour l'enseignement de la conduite des véhicules ou autres moyens de transport pour l'enseignement de la conduite des véhicules terrestres avec une simulation dans un véhicule réel
• G09B 9/06 - Simulateurs pour l'enseignement ou l'entraînement pour l'enseignement de la conduite des véhicules ou autres moyens de transport pour l'enseignement de la manœuvre des navires, des vaisseaux ou autres véhicules flottants

Abrégé

An actuator including a housing, an actuator rod and a snubber assembly. The actuator has an axis, the housing has a first end and an aperture positioned at the first end of the housing, and the actuator rod extends through the aperture along the axis of the actuator. The snubber assembly is mounted at the first end of the housing, and includes one or more energy absorbing devices. The snubber assembly is positioned on the housing such that an axis of each of the one or more energy absorbing devices is offset relative to the axis of the actuator. The snubber assembly is configured such that the one or more energy absorbing devices provide bidirectional end-of-stroke damping.

Classes IPC  ?

• F15B 15/22 - Autres parties constitutives pour accélérer ou ralentir le mouvement

Abrégé

b), and a processor adapted to derive a first output force signal for output to the first admittance controller and actuator assembly based on a Lagrange multiplier dependent on a comparison of the first input force signal and the second input force signal.

Classes IPC  ?

• B25J 9/16 - Commandes à programme

Abrégé

An actuator including a housing, an actuator rod and a snubber assembly. The actuator has an axis, the housing has a first end and an aperture positioned at the first end of the housing, and the actuator rod extends through the aperture along the axis of the actuator.The snubber assembly is mounted at the first end of the housing, and includes one or more energy absorbing devices. The snubber assembly is positioned on the housing such that an axis of each of the one or more energy absorbing devices is offset relative to the axis of the actuator.The snubber assembly is configured such that the one or more energy absorbing devices provide bidirectional end-of-stroke damping.

Classes IPC  ?

• F15B 15/22 - Autres parties constitutives pour accélérer ou ralentir le mouvement

Abrégé

A coupling device (16, 116, 216, 316) configured optimally to communicate between a first and a second admittance controller and actuator assembly, the first and the second admittance control and actuator assembly respectively having a first and a second admittance controller (12a, 12b) configured to drive a respective first and a second actuator and each of the first and the second actuator being respectively connected to a first body having a first mass and a second body having a second mass, wherein the coupling device (16, 116, 216, 316) comprises: an input port having a first input for receiving a first input force signal (f1) from the first admittance controller and actuator assembly (12a) and a second input for receiving a second input force signal (f2) from the second admittance controller and actuator assembly (12b), and a processor adapted to derive a first output force signal for output to the first admittance controller and actuator assembly based on a Lagrange multiplier dependent on a comparison of the first input force signal and the second input force signal.

Classes IPC  ?

• B25J 9/16 - Commandes à programme

Abrégé

A motion simulator is constructed from a base driving an intermediate member via a 6 DOF hexapod, and a platform driven by a 2 DOF simulator is provided on the intermediate member to supplement pitch and roll.

Classes IPC  ?

• G09B 9/00 - Simulateurs pour l'enseignement ou l'entraînement
• G09B 9/12 - Systèmes de déplacement pour simulateurs d'aéronef
• G09B 9/14 - Systèmes de déplacement pour simulateurs d'aéronef commandés par vérin à piston ou à cylindre actionné par un fluide
• G09B 9/02 - Simulateurs pour l'enseignement ou l'entraînement pour l'enseignement de la conduite des véhicules ou autres moyens de transport

Abrégé

Apparatus for dental simulation comprising: a display; one or more processors; a hand piece comprising a light emitter and an inertial measurement unit (IMU), wherein the IMU is in communication with at least one of the one or more processors, and wherein the IMU is configured to generate IMU position and orientation data, wherein the IMU position and orientation data describes the position and orientation of the hand piece; at least two cameras in communication with at least one of the one or more processors, wherein each of the at least two cameras is configured to generate a series of images using light emitted by the light emitter; wherein the one or more processors are configured to: receive the series of images from each of the at least two cameras, generate, based on two dimensional coordinate data derived from the series of images, three dimensional coordinate data identifying the position of the LED; receive the IMU position and orientation data;and further wherein the one or more processors are configured to combine the IMU position and orientation data and the three dimensional coordinate data to generate simulation instructions, and to display, on the display, a three dimension virtual image of an object and animate movement of the object according to the simulation instructions.

Classes IPC  ?

• G09B 23/28 - Modèles à usage scientifique, médical ou mathématique, p. ex. dispositif en vraie grandeur pour la démonstration pour la médecine
• G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur

Abrégé

A computer-implemented method of generating a 3D model for dental simulation, comprising reading a file describing the surface of a 3D object having a volume; generating a voxel grid encompassing the 3D object, wherein the voxel grid contains a plurality of voxels; identifying a subset of voxels of the plurality of voxels which are located within the volume of the 3D object; generating a triangulated surface, wherein the triangulated surface encompasses the subset of voxels and defines the outer surface of the 3D model; assigning a density value to each voxel in the subset of voxels, wherein the subset of voxels defines the solid volume of the 3D model.

Classes IPC  ?

• G06T 17/00 - Modélisation tridimensionnelle [3D] pour infographie
• G06T 17/20 - Description filaire, p. ex. polygonalisation ou tessellation
• G09B 23/28 - Modèles à usage scientifique, médical ou mathématique, p. ex. dispositif en vraie grandeur pour la démonstration pour la médecine

Abrégé

A dental simulation machine including a support having a support surface for engagement by a finger of a user to support a hand of the user, the support surface being moveable between a plurality of positions.

Classes IPC  ?

• G09B 23/28 - Modèles à usage scientifique, médical ou mathématique, p. ex. dispositif en vraie grandeur pour la démonstration pour la médecine
• G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur

Abrégé

A medical simulator rest (106) has a model (116) mounted on a force sensing apparatus (118), which model (116) can be used as a hand rest providing force / displacement response to a simulation.

Classes IPC  ?

• G09B 23/28 - Modèles à usage scientifique, médical ou mathématique, p. ex. dispositif en vraie grandeur pour la démonstration pour la médecine

Abrégé

A medical simulator handpiece (112; 114) has a body (156; 180), a first formation (157; 184) representing a first medical tool and is characterised by a second formation (159, 161; 186) representing a second, different medical tool in which the first and second formations are connected and spaced apart to permit a user to manipulate one or other of the first and second formations.

Classes IPC  ?

• G09B 23/28 - Modèles à usage scientifique, médical ou mathématique, p. ex. dispositif en vraie grandeur pour la démonstration pour la médecine

Abrégé

A medical procedure simulator (100) has a computer (102) configured to run medical simulation software to simulate a medical procedure; at least one handpiece (112, 114) configured to be held in the hand of a user and manipulated by the user in a real space, which handpiece comprises an inertial measurement unit (220) for creation of position and / or orientation data of the handpiece in real space; and, a data link (222) to the computer from the handpiece for transmission of the position and / or orientation data.

Classes IPC  ?

• G09B 23/28 - Modèles à usage scientifique, médical ou mathématique, p. ex. dispositif en vraie grandeur pour la démonstration pour la médecine

Abrégé

A movement apparatus (10) for a limb e.g. a human shoulder (S) has a series of push rods (76, 88) and a torque rod (100) extending from a base (11) to a human-machine interface (22) to apply torques thereto without the need for mechanical joints proximate the biological joint.

Classes IPC  ?

• B25J 9/00 - Manipulateurs à commande programmée

Abrégé

A movement simulator [100] has at least three translational degrees of freedom and has at least three actuator assemblies [106, 108, 110] each of which having a four bar parallelogram/trapezoidal link arrangement. A stiffener [214] is also disclosed.

Classes IPC  ?

• G01M 7/02 - Test de vibration
• G09B 9/12 - Systèmes de déplacement pour simulateurs d'aéronef
• G01M 17/00 - Test des véhicules
• G09B 9/00 - Simulateurs pour l'enseignement ou l'entraînement
• G01M 7/06 - Supports pour test multidirectionnel

Abrégé

A manipulator (110) for e.g. gait training is constructed from an Evans mechanism with an additional degree of freedom to provide a two dimensional workspace.

Classes IPC  ?

• B25J 9/10 - Manipulateurs à commande programmée caractérisés par des moyens pour régler la position des éléments manipulateurs
• F16H 21/18 - Transmissions à manivelleTransmissions à excentrique

Abrégé

A linkage (100, 200) having a plurality of small angle links (114, 116; 208, 212) with axes of rotation directed to a single point to allow movement of an recipient object without moving the point of action of an applied force (F).

Classes IPC  ?

• A61H 1/02 - Appareils d'exercice extenseurs ou de ployage

Abrégé

A driving simulator (100) comprises a slide rail (102) on which a yaw table (104) is mounted on which a hexapod (106) is mounted in turn, the hexapod providing acceleration input to a cabin (108) surrounded by a projection dome (110) carried on the static part of the yaw table (104).

Classes IPC  ?

• G09B 9/04 - Simulateurs pour l'enseignement ou l'entraînement pour l'enseignement de la conduite des véhicules ou autres moyens de transport pour l'enseignement de la conduite des véhicules terrestres

Abrégé

A gait rehabilitation apparatus (12) uses a mechanical shadow leg (42) positioned behind the biological leg (18) to provide forces and guide the biological leg in use.

Classes IPC  ?

• A61H 1/02 - Appareils d'exercice extenseurs ou de ployage
• A61H 3/00 - Appareils pour aider des personnes handicapées à marcher

Abrégé

A motion simulator is constructed from a base driving an intermediate member via a 6 DOF hexapod, and a platform driven by a 2DOF simulator is provided on the intermediate member to supplement pitch and roll.

Classes IPC  ?

• G09B 9/12 - Systèmes de déplacement pour simulateurs d'aéronef
• G09B 9/14 - Systèmes de déplacement pour simulateurs d'aéronef commandés par vérin à piston ou à cylindre actionné par un fluide
• B25J 9/16 - Commandes à programme
• G09B 9/02 - Simulateurs pour l'enseignement ou l'entraînement pour l'enseignement de la conduite des véhicules ou autres moyens de transport

Abrégé

A movement simulator [100] has at least three translational degrees of freedom and has at least three actuator assemblies [106, 108, 110] each of which having a four bar parallelogram / trapezoidal link arrangement. A stiffener [214] is also disclosed.

Classes IPC  ?

• G09B 9/00 - Simulateurs pour l'enseignement ou l'entraînement

Abrégé

A remote-center three degree-of-freedom gimbal (20) includes: a support (21 ); a first link (24) mounted on the support for pivotal movement about a first axis (z-z); a second link (25) mounted on the first link for pivotal movement about a second axis (x-x); and a member (26) mounted on the second link for pivotal movement about a third axis (y-y); wherein said axes intersect at an imaginary point (28); and wherein said first and second links are configured as arcuate segments.

Classes IPC  ?

• B25J 13/02 - Moyens de commande à préhension manuelle
• B25J 17/02 - Joints articulés
• B25J 18/00 - Bras