System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8050780 | Apparatus and method for controlling a force-activated controller A servo-controlled system is disclosed for providing simulated feel equivalent to that of traditional mechanical hand controllers. Processed position and force sensor signals are used in a feedback loop that controls the motor mechanically connected to the stick. Th... | 11/01/2011 |
| 7856282 | Hydraulic system with coordinated multiple axis control of a machine member A member of a machine, such as a boom on construction equipment for example, is pivoted by a first actuator and has a length that is alterable by a second actuator. A control method allows an operator of the machine to command a point on the member to move along a s... | 12/21/2010 |
| 7778716 | Position command generating device A command generating device includes a command shape calculating unit for calculating an nth derivative command shape which is a fixed multiple of the nth derivative with respect to time of a position command for causing a machine to reach a target position at a pos... | 08/17/2010 |
| 7672741 | Position/force control device A position/force control device includes position detectors on a master 1 side and on a slave 3 side. Reaction force estimation observers 2 and 4 estimate reaction force based on outputs of the position detectors. A position control part ... | 03/02/2010 |
| 7627387 | Position command generating device A command generating device includes a command shape calculating unit for calculating an nth derivative command shape which is a fixed multiple of the nth derivative with respect to time of a position command for causing a machine to reach a target position at a pos... | 12/01/2009 |
| 7603188 | Servo motor control system An electronic cam using a servo motor is controlled such that its motion including its acceleration will be connected between synchronized and non-synchronized control sections. A controlled object is moved at a fixed speed during the synchronized control section. A... | 10/13/2009 |
| 7519441 | Systems, methods and apparatus for powered assistance of a motorized support device Systems, methods and apparatus are provided through which movement of a medical imaging device is detected and the movement is assisted in magnitude by an external force. ... | 04/14/2009 |
| 7370524 | Adaptive vibration control using synchronous demodulation with machine tool controller motor commutation A control system and method for actively reducing vibration in a spindle housing caused by unbalance forces on a rotating spindle, by measuring the force-induced spindle-housing motion, determining control signals based on synchronous demodulation, and provide compe... | 05/13/2008 |
| 7353135 | Positioning and aligning the parts of an assembly The invention is an apparatus and process for obtaining values for one or more alignment quantities using one or more transportable devices. The process consists of establishing and maintaining a transportable device in a reference position and a reference orientati... | 04/01/2008 |
| 7341822 | Time-optimal setpoint generator in a lithographic apparatus The present invention discloses a lithographic apparatus, a device manufacturing method, and a robotics system capable of specifying a trajectory to be followed by a substrate relative to a radiation beam comprising a position and/or an orientation as a function of ... | 03/11/2008 |
| 7319909 | Position control device, measuring device and machining device In a quadruple loop position control device (1) including: a drive controller (5) having a current control loop that controls motor current (I) and a motor speed control loop that controls a motor speed (Vm); a speed control loop (3) that contro... | 01/15/2008 |
| 7319910 | Method and device for controlling a movement of a movable machine element of a machine tool or production machine A method and device for controlling a movement of a movable machine element of a machine tool or production machine with at least two drive axles are disclosed. At least one mechanical characteristic frequency is determined for each drive axle of the machine, and th... | 01/15/2008 |
| 7309204 | Articulated arm robot In a multi-axis articulated arm robot for transferring workpieces, there is a robot base, on which a movement unit is able to be pivoted about a first axis, which is vertical in an operational state. The movement unit has a pivoting part adjacent to the base, an art... | 12/18/2007 |
| 7292000 | Angular velocity measuring device and leg-moving robot An angular velocity measuring device (1) includes a first sensor (2) (vibration gyro) and a second sensor (3) (gas rate gyro). The detection output of the first sensor (2) is inputted to a high pass filter (4). Output of the filter... | 11/06/2007 |
| 7289858 | Lithographic motion control system and method A lithographic apparatus comprising a control system, such as a motion control system, is presented. The control system includes an actuator for moving a moveable part, a feed-forward path from a setpoint input of the control system to the actuator, a feed-back loop... | 10/30/2007 |
| 7286890 | Transfer apparatus for target object A processing system includes a transfer chamber, a plurality of chambers connected to the transfer chamber, a transfer apparatus disposed in the transfer chamber, and a control section configured to control the transfer apparatus. The transfer apparatus includes a b... | 10/23/2007 |
| 7271972 | Method and apparatus for reducing seek acoustics using a variable-bandwidth low-pass filter A method and apparatus for reducing seek acoustics in a disk drive using a variable-bandwidth low-pass filter is provided. The variable-bandwidth low-pass filter is used to adaptively shape a control signal supplied to a VCM for moving a head relative to a disk surf... | 09/18/2007 |
| 7191031 | Reverse rotation preventing electronic cam curve generating method based on electronic cam type rotary cutter control and control device therefor It is an object of the invention to provide a reverse rotation preventing electronic cam curve generating method of an electronic cam type rotary cutter control which serves to prevent the reverse rotation of a cutter. According to the invention, there is pro... | 03/13/2007 |
| 7178606 | Work implement side shift control and method A system for automatically moving a work implement of a work machine includes a position monitoring system configured to track a position of the work implement relative to a mapped landscape and programmable to incorporate an electronic representation of at least on... | 02/20/2007 |
| 7181296 | Method of adaptive interactive learning control and a lithographic manufacturing process and apparatus employing such a method By applying time-frequency analysis to a given standard iterative learning control or ILC an adaptive filter for the learned feed-forward loop is designed. This time varying filter varies according to the momentary frequency content of the error signal and allows to... | 02/20/2007 |
| 7157879 | On-hardware optimization of stepper-motor system performance Apparatus for optimizing performance of a stepper motor includes interaction between on-hardware system drivers and a host controlling computer through an intermediate target computer. The command instructions from the host computer are optimized by the interaction ... | 01/02/2007 |
| 7154377 | Movable barrier operator compressed information method and apparatus In a movable barrier operator, data that corresponds to force requirements to effect desired movement of a movable barrier is compressed and stored for later retrieval. Multiple compression schemes and/or compression rates can be made available. Selection of a given... | 12/26/2006 |
| 7145305 | System for estimating attitude of leg type moving robot itself A system for estimating an acceleration of a motion of an accelerometer itself that is generated by a motion of a robot 1, using amounts of motional states of the robot, including a desired motion of a desired gait, a detected value of a displacement of a joi... | 12/05/2006 |
| 7138784 | Position command and pulse timing command optimization for step motors, using a position sensor Optimized pulse commands are utilized for reducing vibration in a step motor, the optimized commands being created by correcting position, velocity, acceleration, deceleration, and movement distance terms of a basic motion profile with position feedback information ... | 11/21/2006 |
| 7130716 | System of path planning for robotic manipulators based on maximum acceleration and finite jerk constraints A system for wafer handling employing a complex numerical method for calculating a path of wafer travel that controls wafer acceleration and jerk, and results in maximum safe speed of wafer movement from a first point to a second point. Motion is begun along a strai... | 10/31/2006 |
| 7110853 | Processes and devices for computer-aided adaptation of an application program for a machine tool A process and device for computer-aided adaptation of an application program for a machine tool is described. A sequence of control commands for feed axes of the machine tool defines a contour to be traveled by a tool relative to a workpiece. Based on the sequence o... | 09/19/2006 |
| 7093383 | Automatic hydraulic load leveling system for a work vehicle A machine has a boom, that is pivotally raised and lowered by a first cylinder, and has a load carrier that is pivoted at the end of the boom by a second cylinder. As a machine operator commands movement of the boom, the position of the load carrier is automatically... | 08/22/2006 |
| 7082010 | Method and apparatus for reducing seek acoustics in a disk drive using feedback during large current transitions A method and apparatus for reducing seek acoustics in a disk drive using feedback during large current transitions is provided. A desired transition profile, which uses feedback, is followed in order to smoothen transitions of a commanded current profile that is sup... | 07/25/2006 |
| 7072724 | Method for processing the parameters of a spatiotemporal trajectory Method for processing parameters of a spatiotemporal trajectory of movement of a moving body, this method being characterized in that: after having collected the data of the trajectory, the curvilinear abscissa (s) of the trajectory is calculated at least for the po... | 07/04/2006 |
| 7061203 | Method and related apparatus for controlling calibration of a stepping motor A controlled stepping motor is electrically connected to a controller and a loading device. A method of controlling the stepper motor includes utilizing the controller to output a control signal to the stepping motor according to a target displacement and a first in... | 06/13/2006 |
| 7061587 | Control system, lithographic apparatus, device manufacturing method, and device manufactured thereby A control system for a positioning device includes a controller connected in a feedback loop. The controller calculates a current for supply to the positioning device according to the error between a desired current value and a measured current value. This current i... | 06/13/2006 |
| 7061579 | Lithographic apparatus and device manufacturing method A lithographic apparatus is disclosed. The apparatus includes an illumination system that provides a beam of radiation, and a support structure that supports a patterning structure. The patterning structure is configured to impart the beam of radiation with a patter... | 06/13/2006 |
| 7062334 | Positioning control method, positioning control device, and electronic component mounting apparatus using same There are provided a positioning control method and a positioning control device, which enables high speed positioning with low power consumption without repeating two or more acceleration and deceleration operations during travel from an original position to a targ... | 06/13/2006 |
| 7054099 | Methods and systems for moving a read/write head to a velocity and position where it is useful to switch from a deceleration phase to a settling phase of a seek operation Improved deceleration control for a disk drive is provided. A deceleration profile is selected based on a present velocity (vi), a present position (xi) and a BEMF constant associated with a voice coil motor (VCM), wherein the deceleration prof... | 05/30/2006 |
| 7042185 | Robot control apparatus and control method thereof A robot control apparatus to control an operation path of a robot includes an interpolator including a rough interpolation processor to output a rough velocity signal of no-acceleration and no-deceleration according to input commands, a plurality of acceleration/dec... | 05/09/2006 |
| 7039494 | Controller for machine A controller that eliminates an error caused by acceleration/deceleration control, and controls the velocity of drive axes which is not represented by a rectangular coordinate system such that maximum allowable values of velocity, acceleration, and jerk of the drive... | 05/02/2006 |
| 7035694 | Automatic tuning of motion controllers using search techniques System and method for user configuration of an autotuning algorithm for a controller in a motion control system. A desired trajectory in one or more dimensions for the motion control system is received. Values of one or more gains for a controller are initialized. A... | 04/25/2006 |
| 7030586 | Method for co-ordinating and synchronizing the movement of servo-assisted axes The invention regards a method for co-ordinating and synchronizing the movement of servo-assisted axes in machines and apparatuses which execute various industrial applications. The method in object is applied in the programming of electronic control systems using s... | 04/18/2006 |
| 7023165 | Stepping motor control apparatus A stepping motor control apparatus in accordance with the present invention comprises: a current detection unit that detects phase currents flowing into a stepping motor; an equivalent model-of-motor arithmetic unit that includes a coefficient multiplication block w... | 04/04/2006 |
| 7017395 | Method of estimating floor reaction of bipedal movable body It is determined whether the motion state of legs 2, 2 is a one-leg supporting state or a two-leg supporting state, and a total floor reaction force is estimated based on a motion equation of the center of gravity of a bipedal movable body 1. If the mo... | 03/28/2006 |