|| List of recent Degrees Of Freedom-related patents
| Patient mounted mri and ct compatible robot for needle guidance in interventional procedures|
A patient mountable robot includes a four link mechanism, three actuators, and a first robot base. The mechanism includes four links that form a closed loop structure.
| System and method retracting body tissue|
A method for retracting body tissue providing a retractor system that includes a rail having two opposed widened rail portions separated by a narrowed portion, each widened portion engageable by a separate clamp. The clamps are configured to support the rail to a fixed surface, or to support a surgical device.
|Technique for converting a model predictive control (mpc) system into an explicit two-degrees of freedom (2dof) control system|
A method includes obtaining a reference tracking performance ratio and a disturbance rejection performance ratio associated with a model predictive control (mpc) controller. The method also includes filtering an output target signal for the controller using a first filter based on the reference tracking performance ratio.
|Robotic platform for mini-invasive surgery|
Robotic platform for mini-invasive surgery comprising robotic arms (4a, 4b) suitable to be placed in the body of a patient, introduced through a single access port, which are an extension of external robotic manipulators (19). The continuity between external (1) and internal (4a, 4b) robotic arms is guaranteed by means of a trans-abdominal magnetic connection (6) between the internal robotic arm integral with the external one.
|Assistive device for positioning a medical instrument relative to an internal organ of a patient|
The invention relates to an assistive device for positioning a medical instrument (2) inserted into a natural duct (100) or an artificial duct of a patient relative to an internal organ (p) of a patient, wherein the device comprises a support (1) that is to be inserted at least in part into the body of the patient and supports the medical instrument, means for moving the support, wherein said movement means comprise an articulated arm (9) that includes a plurality of degrees of freedom for moving a proximal end (1a) of the support, means for acquiring images of the internal organ for positioning the medical instrument relative to the internal organ, wherein the image acquisition means comprise a probe (5) supported by the support such that the medical instrument and the probe are rigidly connected, and a control unit (10) for controlling the movement means, which is connected to the image acquisition means and comprises image analyzing means (11) for generating control commands for the articulated arm in order to control at least one movement of the medical instrument relative to the internal organ. The invention further relates to a method for controlling such a device..
|Systems and methods for aligning a near-eye display device|
A near-eye display system includes (a) a near-eye display device, having a display and capable of providing, to a pupil of a user, an image from the display superimposed on an ambient scene, and (b) a fixture for coupling the near-eye display device to a holder mounted to the user, wherein the fixture has a plurality of degrees of freedom for alignment of the display device with respect to the pupil.. .
|Metrology system optimization for parameter tracking|
Methods and systems for evaluating the capability of a measurement system to track measurement parameters through a given process window are presented herein. Performance evaluations include random perturbations, systematic perturbations, or both to effectively characterize the impact of model errors, metrology system imperfections, and calibration errors, among others.
|Catheter control system and graphical user interface|
A remote workstation for the control of percutaneous intervention devices is provided. The remote workstation includes a control system for remotely and independently controlling at least two percutaneous intervention devices.
|Cube corner retroreflector for measuring six degrees of freedom|
A target and method of manufacturing the target is provided. The method of manufacturing includes providing the cube cornered retroreflector, the cube cornered retroreflector including a first, second and third planar reflectors.
|User interface devices|
User interface devices (uids) for sensing position or motion of an actuator assembly in multiple degrees of freedom are disclosed. In one embodiment a uid includes a frame having a top and bottom assembly, an actuator assembly disposed within a volume between the top and bottom of the frame having magnets disposed therein, a sensor array for sensing magnetic fields from the magnets in multiple axes, and a processing element for receiving the sensed magnet fields and generating a uid output signal corresponding to a position, translation, rotation, deformation, or other action of the actuator assembly..
|Providing a description of aircraft intent|
The present invention provides a computer-implemented method of generating an aircraft intent description expressed in a formal language that provides an unambiguous four-dimensional description of an aircraft's intended motion and configuration during a period of flight. A flight intent description is parsed to provide instances of flight intent that span a flight segment, the flight segments together spanning the period of flight.
|Expandable interbody fusion device|
An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing wafer stack.
|Uv forming apparatus and method for roll to roll alignment|
A uv forming apparatus and method for roll to roll alignment is disclosed. The apparatus comprises an unrolling mechanism (101), a coating mechanism (102), a uv forming mechanism (100), a stripping mechanism (107) and a withdraw roll mechanism (110); wherein the apparatus further comprises an adjusting alignment mechanism (10) comprising a flat mold supporting apparatus (116) and an alignment probe (108), the flat mold supporting apparatus (116) is capable of adjusting the position of the flat mold at three degrees of freedom including horizontal, vertical, and angle; the mold (112) is disposed on the flat mold supporting apparatus, the uv forming mechanism (100) and the adjusting alignment mechanism (10) are fixed to the forming apparatus.
|Manipulation of overlapping objects displayed on a multi-touch device|
A multi-touch display device that is configured to display multiple objects concurrently and that provides multi-touch controls for manipulating multiple of the displayed objects with multiple degrees of freedom concurrently but independently is configured to reduce the degrees of freedom provided by the manipulation controls for at least two of the displayed objects in response to detecting that an input mechanism is exerting control over the two displayed objects concurrently.. .
|Apparatus for guiding a moving web|
An apparatus (20) for steering a web (22), including a web path having at least one steering roller (24) and an exit roller (26), each having a mount; wherein the steering roller(s) (26) each have an axis of rotation and wherein the mounts for the steering roller(s) (26) can pivot those axes with a total of two degrees of freedom. An array (30) comprising a plurality of sensors (30a) for monitoring the position of the web (22) is present connected to a controller so as to determine the position and angular orientation of the web (22).
|Vehicle test apparatus and vehicle test system|
A vehicle test apparatus includes: a test article installation vehicle body to which four axles corresponding to four wheels that are a left front wheel, a right front wheel, a left rear wheel and a right rear wheel are attached, and on which a test article is installed; a first motion base that supports the test article installation vehicle body, and that allows the test article installation vehicle body to make motions of six degrees of freedom; and four second motion bases each of which supports a corresponding one of the axles, and each of which allows a corresponding one of the axles to make motions of six degrees of freedom.. .
|Vehicle test system|
In a vehicle test system, a displacement degree computing unit computes degrees of six-degree-of-freedom displacements of each of second motion bases, which correspond to external forces of respective six degrees of freedom detected by a corresponding one of six-axis force sensors, on an assumption that each of the second motion bases has a virtual mechanical impedance. A mb second target value generator generates final position and posture target values for each of the second motion bases based on the position and posture target values for each of the second motion bases and the degrees of six-degree-freedom displacements of each of the second motion bases..
|Method and apparatus for docking a test head with a peripheral|
A method and apparatus for docking an electronic test head with a peripheral, which positions devices for testing. Exact-constraint alignment features, also sometimes known as kinematic features, are incorporated to provide repeatable positioning of the test head in three degrees of freedom with respect to the docking plane of the peripheral.
|5 degrees of freedom alignment-correcting preloaded bearing connection system|
Exemplary embodiments provide a rotary misalignment-compensation bushing connection system that may be used in large-scale operations where several components are mounted in alignment on a single pin. For example, the misalignment-compensation system may be used in preloaded connection of a male lug rotatably mounted between a first lug and a second lug, on heavy equipment, for example, oil field exploration and production equipment.
|Constrained virtual camera control|
A method is described that includes receiving, from a first device, input used to select a first object in a computer-generated environment. The first device has at least two degrees of freedom with which to control the selection of the first object.
|Plasma torch cutting device and process|
A method of operating a plasma arc torch system includes placing a work piece to be cut on a table of the plasma arc torch system, wherein at least a portion of the work piece has a planer surface facing away from the table. A plasma arc torch is positioned adjacent the planer surface of the work piece using a positioning apparatus, wherein the positioning apparatus has at least five degrees of freedom about which it can move the plasma arc torch relative the work piece for cutting the work piece on the table.
|Umbrella having a pivot joint to provide additional degrees of freedom of orientation of its canopy|
An umbrella having the crown of the canopy coupled to a support structure via a pivot joint that is structured and configured to allow swiveling and/or tilting of the canopy with ease by a user, in more than one plane or with more than one degree of freedom with respect to the support structure. The canopy frame includes a longitudinal central support hub, and the pivot joint is rotatable about a rotation axis, wherein the axis of the canopy support hub makes a fixed or variable non-zero angle with respect to the pivot joint rotation axis.
|System for estimating road slope|
A system for estimating a road slope, includes a signal processor receiving a raw signal including information on acceleration and rotation velocity transmitted from a 6 degrees of freedom (6dof) inertial sensor, a vehicle motion estimator calculating overall angles of a vehicle based on the signals from the 6dof inertial sensor filtered by the signal processor and on vehicle measurement information transmitted from a vehicle sensor. The system further includes a vehicle suspension angle estimator calculating a vehicle suspension angle based on the signal from the 6dof inertial sensor and the vehicle measurement information and a road slope estimator determining a difference between the overall angles of the vehicle and the vehicle suspension angle so as to calculate a road slope..
|Miniature robot having multiple legs using piezo legs having two degrees of freedom|
The present invention relates to a miniature robot using a plurality of piezo legs capable of deforming in two degrees of freedom by supplying input voltage signals, and an integrated artificial neural network behavior controller capable of modeling complex behavioral patterns and gait patterns by a simple structure. The miniature robot with multiple legs includes: a main body; a plurality of piezo legs constituted by bimorph piezoelectric elements and connected to the main body to generate motion through morphological deformation in two degrees of freedom by applied voltage signals, thereby resulting in movement on the ground; and a control part including an artificial neural network behavior controller, which controls motion patterns by feeding back information with respect to the environment transmitted from external sensors and to electrical signals transmitted when the piezo legs contact the surface of the ground, to control the voltage applied to each of the piezo legs..
|Sensor-based vehicle control methods|
The novelty of this invention is that the vehicle's two degrees of freedom in motion is controlled by a single action of a driver. With this method, a driver can control a vehicle easily and intuitively.
|Ossicle prosthesis comprising a built-up attaching element|
An ossicular prosthesis formed as a sound-conducting, elongated prosthesis body has a first coupling element designed as a tympanic membrane top plate or a clip or a connecting piece to an actuator end piece of an active hearing implant and a second coupling element provided with an access opening into a receiving space designed as a bell or a clip for a mechanical connection of the prosthesis to the head of the stapes. The second coupling element has a backing section on an inner surface of the receiving space as an axial extension of the prosthesis body.
|Positioning system for manipulating a channel within a medical device|
Embodiments of the invention include a medical device for accessing a patient's body portion and used for diagnosis and treatment of medical conditions. Embodiments of the invention may include a particular endoscopic positioning mechanism for placing an endoscope and an additional treatment device within desired body portions in order to assist in diagnosis and treatment of anatomical diseases and disorders.
|Motion simulation system controller and associated methods|
A motion simulation system includes actuators having a planetary gearbox engaged with and driven by a servomotor engaged with a crank. A connector rod is engaged with the crank of each actuator, and engaged with a platform configured to attach to a vehicle.
|Arrangement for actuating an element in a microlithographic projection exposure apparatus|
The invention relates to arrangements for actuating an element in a microlithographic projection exposure apparatus. In accordance with one aspect, an arrangement for actuating an element in a microlithographic projection exposure apparatus comprises a first number (nr) of degrees of freedom, wherein an adjustable force can be transmitted to the optical element in each of the-degrees of freedom, and a second number (na) of actuators, which are coupled to the optical element in each case via a mechanical coupling for the purpose of transmitting force to the optical element, wherein the second number (na) is greater than the first number (nr).
|Device for guiding a medical instrument inserted into a natural duct or an artifical duct of a patient|
The invention relates to a device for guiding a medical instrument (2) inserted into a natural duel (101) or an artificial duct of a patient in order to bring at least a distal end (1) of the instrument in proximity to an internal organ (100), the device comprising an articulated arm (3) with a plurality of degrees of freedom, for moving a proximal end (4) of the instrument, and controlled blocking means (7) for blocking the degrees of freedom of the articulated arm. According to the invention, the blocking means are designed in such a way that, for at mast one of the degrees of freedom, a blockage imposed on said degree of freedom can be enforced when an outer stress exerted on the instrument (2) exceeds a predetermined threshold..
|Methods and apparatus for rehabilitation and training|
A method of rehabilitation using an actuator type that includes a movement mechanism capable of applying a force that interacts with a motion of a patient's limb in a volume of at least 30 cm in diameter, in at least three degrees of freedom of motion of the actuator and capable of preventing substantial motion in any point in any direction in said volume, in which a same movement mechanism is used at two different places of rehabilitation.. .
|Haptic device with controlled traction forces|
A haptic device includes a substrate that is subjected to lateral motion such as lateral oscillation with one or more degrees of freedom together with modulation of a friction reducing oscillation in a manner that can create a shear force on the user's finger or on an object on the device.. .
|Four degrees of freedom motion apparatus|
The present invention relates to a four degrees of freedom motion apparatus, and more particularly, to a four degrees of freedom motion apparatus capable of implementing three degrees of freedom (pitch, roll, heave) motions by three actuators positioned at a lower plate and a center plate, and between the lower plate and the center plate, and a spline, and additionally implementing an one degree of freedom (sway) motion by a connecting means provided between the center plate and an upper plate.. .
|Robot system and method for the removal of bolts from haulage truck wheels|
The robotic system for the removal of bolts from haulage truck wheels is comprised mainly of an anthropomorphous robotic manipulator of at least 5 degrees of freedom (1), with a system for tightening and removal (2) which allows taking bolts from a drawer rack (3) located on a mobile equipment (4). The operator indicates the beginning of the operations as well as the key positions for the activity development.
|Robots and methods of controlling the same|
A robot may include: a multi-tool module having redundancy, the multi-tool module including a guide tube and a plurality of tools configured to operate while interacting with the guide tube and extended from the guide tube; and/or a controller configured to generate a control signal regarding motion of the multi-tool module in a joint space based on motion instruction information regarding distal ends of the plurality of tools in a task space. The redundancy may reflect that a number of degrees of freedom of the multi-tool module in the joint space is greater than a number of degrees of freedom of the task space.
|Systems and methods for facilitating access to edges of cartesian-coordinate space using the null space|
Devices, systems, and methods for providing increased range of movement of the end effector of a manipulator arm having a plurality of joints with redundant degrees of freedom. Methods include defining a position-based constraint within a joint space defined by the at least one joint, determining a movement of the joints along the constraint within a null-space and driving the joints according to a calculated movement to effect the commanded movement while providing an increased end effector range of movement, particularly as one or more joints approach a respective joint limit within the joint space..
|Systems and methods for tracking a path using the null-space|
Devices, systems, and methods for providing a desired movement of one or more joints of a manipulator arm having a plurality of joints with redundant degrees of freedom while effecting commanded movement of a distal end effector of the manipulator. Methods include defining a constraint, such as a network of paths, within a joint space defined by the one or more joints and determining a movement of the plurality of joints within a null-space to track the constraints with the one or more joints.
|Software configurable manipulator degrees of freedom|
Methods, apparatus, and systems for controlling a plurality of manipulator assemblies of a robotic system. In accordance with a method, a first plurality of sensor signals are received at a plurality of joint space interface elements from a plurality of connector input elements via a first mapping between the joint space interface elements and joints of the first manipulator assembly.
|System and method for ophthalmic laser surgery employing eye tracking without eye docking|
A system and method for performing ophthalmic surgery using an ultra-short pulsed laser is provided. The system includes a laser engine configured to provide an ultra-short pulsed laser beam, optics configured to direct the laser beam to an undocked eye of a patient, an eye tracker configured to measure five degrees of freedom of movement of the undocked eye, an optical coherence tomography module configured to measure depth of the undocked eye, and a controller configured to control laser beam position on the undocked eye toward a desired laser pattern based on depth and the five degrees of freedom of movement of the undocked eye.
|Motorized mount for seating system|
The present disclosure illustrates a motorized mount with a plurality of degrees of freedom coupled to a seating system.. .
|Support module and support device having multiple degrees of freedom|
A support device having multiple degrees of freedom includes a base unit, a first support unit, a second support unit and a hinge unit. The base unit includes a base body.
A system for capturing a surfing experience includes a camera mounted on a surfboard with a camera mount providing at least three degrees of freedom to position the camera to capture a preview picture or video; and a web server coupled to the camera to render pictures or videos during a surf session. The camera may be a low profile camera designed to be flush with surface of board with same shape as surface of board.
|In situ creation of planar natural feature targets|
Disclosed are a system, apparatus, and method for in-situ creation of planar natural feature targets. In one embodiment, a planar target is initialized from a single first reference image one or more subsequent images are processed.
|Generation and sharing coordinate system between users on mobile|
A multi-device system for mobile devices to acquire and share 3d maps of an environment. The mobile devices determine features of the environment and construct a local map and coordinate system for the features identified by the mobile device.
|Workpiece support structure with four degree of freedom air bearing for high vacuum systems|
A workpiece adjustment assembly is disclosed. The assembly can include a shaft, a spherical bearing, and a wafer support.
|Workpiece support structure with four degree of freedom air bearing for high vacuum systems|
A workpiece adjustment assembly is disclosed. The assembly can include a shaft, a spherical bearing, and a wafer support.
|Web insulation system, valve for a web insulation system, and a storage container using the web insulation system|
A storage system, including an outer casing having an evacuated inner volume; a vessel for storage located within the outer casing and having a plurality of protrusions distributed on an outer surface thereof; and a plurality of filamentary strands spanning the inner volume, wherein at least some of the plurality of protrusions are essentially tangentially contacted by a plurality of the filamentary strands to secure the vessel in six degrees of freedom relative to the outer casing.. .
The present invention is directed to a safety device for use in a single rope technique arrangement. The device includes a clamping mechanism including a plurality of clamping segments interconnected by a flexible spine arrangement.
|Quick-release gimbal hinges for face protectors and systems and methods relating thereto|
Multi-axis quick-release gimbal hinges that releasably attach a face protector to a helmet. The hinges allow the face protection to be easily and quickly released from the as-worn position to a position hanging from the other side of the helmet—even if the user has only a single hand free to release the face protector, and further to be fully detached from the helmet if desired.
|Endoscopic surgical instruments|
An endoscopic surgical instrument may include: two surgical instrument modules, each of which is provided with a surgical instrument portion; and/or an endoscopic module configured to form a triangular shape with the two surgical instrument modules and configured to capture operations of the surgical instrument modules at different angles using a plurality of joints. Wires connecting respective members coupled by the plurality of joints may be configured to amplify drive forces of a drive portion applied to the plurality of joints.
|Slider control of catheters and wires|
One exemplary user interface for a medical robotics system may include a control panel and one or more sliders that may be slidably carried by the control panel to actuate one or more motors for moving a surgical instrument of the medical robotics system. The sliders may be configured to actuate the motors to move the surgical instrument along a respective one of a plurality of degrees of freedom..
|Single port access system|
Embodiments of a surgical access system useful for single or limited port procedures comprise a trocar comprising a fixation cannula, a retractor, and a gel cap removably coupled to the retractor. The gel cap comprises a gel pad that acts as an artificial body wall, through which instruments may be inserted into a body cavity, either directly or through one or more trocars.
|Communications connector with improved contacts|
A network cable jack includes a printed circuit board (pcb) for balancing both inductive and capacitive coupling. Using a pcb allows compact trace paths to be formed without significantly increasing manufacturing costs.
|Tray gripper head|
This invention relates to gripper head for unstacking a stack of trays, each tray provided with a relief of pockets with edge portions and loaded with eggs, the gripper head provided with a holder frame,—having included therein a matrix of suction heads connected with an air suction system, the suction heads, during pickup, transfer and deposition of one tray, being placed on the eggs and engaging them with suction,—having connected therewith at least two oppositely arranged grippers for engaging, simultaneously with the eggs, the tray at corresponding sides during pickup, transfer and deposition of the tray, and—having at least a mast piece which extends perpendicularly with respect to the matrix and is connected with at least an arm for displacing the gripper head between a pickup location and a delivery location, wherein the gripper head furthermore comprises a carrier unit which is connected through at least one spacer with the holder frame in a carrying manner, movably in at least three degrees of freedom. Several of such tiers can be provided..
|Anchoring system for seat back|
A seating system adapted for use in stadium, auditorium, and/or theater-type settings. The system utilizes seat back pins, support beams, and anchors for installing seat backs in series and without requiring custom components to account for variability in dimensions.
|Architected materials for enhanced energy absorption|
A three-dimensional lattice architecture with a thickness hierarchy includes a first surface and a second surface separated from each other with a distance therebetween defining a thickness of the three-dimensional lattice architecture; a plurality of angled struts extending along a plurality of directions between the first surface and the second surface; a plurality of nodes connecting the plurality of angled struts with one another forming a plurality of unit cells. At least a portion of the plurality of angled struts are internally terminated along the thickness direction of the lattice structure and providing a plurality of internal degrees of freedom towards the first or second surface of the lattice architecture..
|Reflecting parabolic splice solar smelter|
A revolution-of-a-parabolic-curve is sliced by two planes to form a reflecting-parabolic-splice-solar-smelter so as to focus the sun's noon light to a crucible for smelting rocks, glass and metals and for processing of chemicals, using zero degrees of freedom. (50 words).
|Multiple degrees of translational adjustment pedals|
A pedal system for an aircraft comprising a pedal and a pedal mounting mechanism is provided. The pedal is configured for manipulation through at least one operational degree of freedom by a pilot to provide control inputs to the aircraft.
|Selection of objects in a three-dimensional virtual scene|
A representation device for representing and interacting with a three-dimensional virtual scenario includes an input unit and at least one representation region for representing the three-dimensional scenario. A marking element may be moved on a virtual surface area with two translational degrees of freedom such that each virtual object in the three-dimensional virtual scenario may be selected with the marking element..
|Immersive, flux-guided, micro-coil apparatus and method|
A pemf web using immersive, flux-guided, micro-coils to direct intense, deeply penetrating, magnetic flux into a subject from each micro-coil capable of pointing in an arbitrary direction. Micro-coils are spooled around iron cores, insulated properly, and soldered to connecting wires, all embedded in a polymeric resin, such as cold-cured silicone resin.
|Rotary powered surgical instruments with multiple degrees of freedom|
A surgical instrument may comprise a drive system that is configured to electrically generate a plurality of discrete rotary control motions. In at least one form, the surgical instrument may include an elongate shaft assembly that is operably couplable to the drive system for receiving a first rotary control motion therefrom for rotating the elongate shaft assembly about a shaft axis.
|Apparatus for monitoring one or more surgical parameters of the eye|
An apparatus for monitoring one or more surgical parameters of the eye over multiple sessions which are temporally spaced apart and between which the eye of the patient can have moved, said apparatus comprising: a camera for taking one or more images of the eye; a module for determining during a first session said at least one surgical parameter of the eye and its coordinates based on the image taken by said camera in a first coordinate system; a module for determining during a second session temporally spaced apart from said first session said at least one surgical parameter of the eye and its coordinates based on the image taken by said camera in a second coordinate system; a module for determining the eye motion in six degrees of freedom between said first and said second session and for determining a coordinate transformation based thereon; a module for transforming based on said determined eye motion said at least one surgical parameter of the eye and its coordinates from said first coordinate system into said second coordinate system; a module for quantifying and/or visualizing the change of said at least one surgical parameter of the eye and its coordinates between said first and said second session based on said surgical eye parameter and its coordinates measured during said second session and said transformed surgical eye parameter and its coordinates measured during said first session, wherein said surgical eye parameters are one or more of the following: implant-related parameters of the eye which are based on an implant which has been surgically placed in the eye of a patient; or the location and/or contour of corneal or limbal or scleral incisions.. .
|Swivel attachment and branch line restraint|
A swivel attachment and/or branch line restraint device with angular versatility and mobility for facilitating connection of installation components to support a pipe or other load relative to a support surface is provided. Advantageously, embodiments of the device provide a plurality of rotational or swivel degrees of freedom, which are substantially independently controllable, for its mating portions, which respectively engage corresponding mating portions of other installation components.
|Method to estimate real-time rotation and translation of a target with a single x-ray imager|
A method of real-time estimation of target rotation and translation for 6 degrees of freedom using a single planar 2-dimensional imager and an algorithm, such as the iterative closest point (icp) algorithm, that includes creating pairing, using a nearest neighbor algorithm, between a set of target points of at least three fiducial markers and a set of source points of the markers using k nearest neighbors, iteratively executing estimation of a rotation parameter r and a translation parameter t of the markers using a cost function such as root mean square error, terminating the estimation of r and t if the change in a mean distance between the set of target points of the markers and the set of source points of the markers is below a threshold or at a maximum iteration number, transforming the set of target points of the markers using estimated parameters, and re-associating a new set of the target points of the markers.. .
|Apparatus for monitoring one or more parameters of the eye|
An apparatus for monitoring one or more parameters of the eye of a patient over multiple sessions which are temporally spaced apart and between which the eye of the patient can have moved, said apparatus comprising: a camera for taking one or more images of the eye; an illumination unit for illuminating the eye by a ring-shaped light pattern to generate corneal reflections, said illumination unit being preferably located such that the center of the ring is coaxial with the optical axis of the camera; a module for determining during a first session the location of the corneal reflections in the image of the eye; a module for determining during said first session based on said determined location of the corneal reflections, at least one further parameter of the eye and its coordinates in a first coordinate system based on a geometrical model representing the eye as a spherical eyeball having a spherically shaped cornea mounted thereon; a module for determining during a second session temporally spaced apart from said first session said location of said corneal reflections of the eye and based thereon said further eye parameter and its coordinates in a second coordinate system; a module for determining the eye motion in six degrees of freedom between said first and said second session and for determining a coordinate transformation based thereon; a module for transforming based on said determined eye motion said further eye parameter and its coordinates from said first coordinate system into said second coordinate system; a module for quantifying and/or visualizing the change of said further eye parameter between said first and said second session based on said further parameter and its coordinates measured during said second session and said transformed parameter and its coordinates measured during said first session.. .
An aerial vehicle includes independently controlled horizontal thrusters and vertical lifters to provide design and operational simplicity while allowing precision flying with six degrees of freedom and use of mounted devices such as tools, sensors, and instruments. Each horizontal thruster and vertical lifter can be mounted as constant-pitch, fixed-axis rotors while still allowing for precise control of yaw, pitch, roll, horizontal movement, and vertical elevation.
|Trophy mount and skull clamp|
A trophy mount and a skull clamp are disclosed. The trophy mount can comprise a skull coupling feature configured to interface with and support a skull, and a positioning device configured to provide rotation of the skull coupling feature in at least two rotational degrees of freedom to facilitate positioning of the skull.
|Enhanced system and method for presenting a view of a virtual space to a user based on a position of a display|
An enhanced system and method presents a view of a virtual space on a display based on a position of the display in one or more degrees of freedom. For such a position of the display, a corresponding field of view in the virtual space may be determined.
|Cab suspension system for a machine adapted to surface excavate rock or like materials|
A system for providing suspension to a cab of an excavation machine such as a trencher or a surface mining machine. The system includes air cushions and elastomeric dampeners positioned between a platform and the cab.
|System, method and computer program for autonomously emulating robot manipulators of continuously-varying configurations|
The invention is a modular and autonomously reconfigurable manipulator system which introduces a new dimension to the versatility of robot manipulation for diverse tasks. The hardware component is a redundant mechanism which can lock any number of its joints at any relative position to form a particular configuration with a certain number of degrees of freedom and specific values for kinematic, dynamic and control parameters, optimum for a given task to be performed.