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| Number | Title | Issue Date |
| 8170826 | Calibration method for a position determination of a rear axle steering actuator The present invention relates to a method for the calibration of a position determination system of a rear axle steering actuator for a motor vehicle. The rear axle steering actuator has an actuator element which can be driven by a rotary movement of a rotor to a tr... | 05/01/2012 |
| 8160831 | Gyroscope monitoring for an antenna system A gyroscope monitoring system operates with an antenna system that has a gyroscope that controls the position of multiple antennas. The monitoring system receives data indicating reference signal strengths and test signal strengths for the antennas. The monitoring s... | 04/17/2012 |
| 8140286 | Position sensing system and method The linear position of a moving mechanical component is determined. A plurality of values of a quantity using a plurality of sensors is sensed and the sensed values are indicative of the linear position of the mechanical component. The plurality of sensed values are... | 03/20/2012 |
| 8126671 | Measurement system and method for monitoring a measurement system A measurement system has a transmitter for determining the position of a movable element, and a first energy store which, in the event of failure of an external electrical supply unit of the transmitter, supplies at least a part of the transmitter with electrical po... | 02/28/2012 |
| 8095330 | Position detecting device A position detecting device includes a position calculator that performs an optimization convergence calculation using an evaluation function that expresses an error between a measurement value and a theoretical value of magnetic field information of a detection tar... | 01/10/2012 |
| 8065103 | Calibration of a position measuring device of an optical device A method for calibrating a position measuring device of an optical device, including a measurement step in which a movable unit of the optical device is moved according to a predefinable scheme in at least one degree of freedom and a position of the movable unit is ... | 11/22/2011 |
| 8060329 | Display-device inspection apparatus and inspection method A display-device inspection apparatus includes a pointing device for following a position where an identification for identifying an attention area on an inspection image is displayed on the inspection image simultaneously, an attention area information extracting p... | 11/15/2011 |
| 8032320 | Position detection system and position detection method A position detection system and method in which the accuracy of position measurement of a device is not decreased with changes in the resonant frequency. The system includes a device having a magnetic induction coil; a driving coil generating an alternating magnetic... | 10/04/2011 |
| 7966143 | Distributed graph layout for sensor node networks Certain exemplary embodiments comprise a method, comprising: in a sensor node network comprising a plurality of sensor nodes, each sensor node from the plurality of sensor nodes having location coordinates that are initially unknown, each sensor node from the plural... | 06/21/2011 |
| 7949486 | Method and apparatus for calibrating an image capturing device, and a method and apparatus for outputting image frames from sequentially captured image frames with compensation for image capture device offset A camera (17) mounted on a rear view minor housing (5) of a vehicle (1), which captures a plan view image of the ground on one side of the vehicle for display on an in-vehicle visual display unit (13) is calibrated to correct for offset o... | 05/24/2011 |
| 7933730 | Method and system for restoration of a navigation data loss in image-guided navigation A method for restoring navigation failure information in a fluoroscopy-based imaging system is disclosed. The method includes obtaining a plurality of receiver navigation information using a calibration target rigidly attached to a supporting member of the imaging s... | 04/26/2011 |
| 7925462 | Position-measuring device and method for transmitting information concerning movement In a position-measuring device and a method for transmitting movement information from a position-measuring device to sequential electronics, the position-measuring device includes a position-measuring unit, a movement-measuring unit, an arithmetic logic unit and an... | 04/12/2011 |
| 7920981 | Method of calibrating a sensor, in particular a yaw rate sensor The invention relates to a method of calibrating a sensor, in particular a yaw rate sensor, in which sensor values (Ysensor) and associated temperature values (T) are stored in the shape of reference points in a non-volatile memory of the sensor, in which... | 04/05/2011 |
| 7904267 | Adaptive resolver compensation controller An adaptive method and device for identification and compensation of errors in resolver output signals which can increase the accuracy of position estimates of the resolver angle is disclosed. The method utilizes the ideal orthogonal relationship of two resolver out... | 03/08/2011 |
| 7873487 | Position detecting device and method A position detecting device for a motor includes a resolver, amplifiers and a microcomputer. The microcomputer corrects an amplified sine wave signal to have the same amplitude in both positive and negative polarities, and corrects an amplified cosine wave signal to... | 01/18/2011 |
| 7865324 | Encoder signal analysis system for high-resolution position measurement An apparatus and method for identifying the position of a magnetic shaft are provided. N field sensors are adjacently positioned at fixed locations relative to the shaft's periodic field, corresponding to 180/N relative phase shifts. A table provides N>2 predetermin... | 01/04/2011 |
| 7856333 | Method for commissioning actuators The disclosure relates to a method for commissioning pneumatically operated actuators that are controlled by a positioner. To determine the drive type, a constant flow of pneumatic fluid is applied to the actuator during commissioning while a drive-specific characte... | 12/21/2010 |
| 7853422 | Dynamic-mode atomic-force-microscope probe (Tip) vibration simulation method, program, recording medium, and vibration simulator The vibration characteristic of a dynamic AFM probe is simulated. For a given operation parameter (for example, the displacement u0 of the probe, the spring constant k of the cantilever, or the radius of curvature of the probe R1), the plate-spring can... | 12/14/2010 |
| 7853423 | Image forming apparatus and method for correcting position displacement A disclosed image forming apparatus for detecting position displacement patterns and correcting position displacement of an image forming position in a main scanning direction according to the detection result, includes a position displacement amount calculating par... | 12/14/2010 |
| 7813887 | Location determining system A location measurement system comprises: a GPS receiver for attachment to a person and for determining earth location of the person; a display for attachment to the person; memory for storing map data; a processor configured to process earth location and the map dat... | 10/12/2010 |
| 7805270 | Encoder signal analysis system for high-resolution position measurement An apparatus and method for identifying the position of a magnetic shaft are provided. N field sensors are adjacently positioned at fixed locations relative to the shaft's periodic field, corresponding to 180/N relative phase shifts. A table provides N>2 predetermin... | 09/28/2010 |
| 7805269 | Device and method for ensuring the accuracy of a tracking device in a volume The invention provides a system and method for testing and correcting the accuracy of a tracking device in a volume using an accuracy device. The invention may include placing a rigid object into an experimental volume and sampling position and orientation informati... | 09/28/2010 |
| 7797120 | Telescope based calibration of a three dimensional optical scanner An embodiment of the invention includes using a set of telescopes to calibrate a three dimensional optical scanner. Three separate calibrations are disclosed for a survey grade calibration: (1) angular calibration, implemented using at least one anti-podal pa... | 09/14/2010 |
| 7792653 | Correction of interpolation errors of a machine, such as a coordinate measuring machine A machine, such as a coordinate measuring machine, uses a material measure with a periodic division in order to determine spatial positions of a working or measuring head. The periodic division of the material measure is further subdivided by interpolation values. F... | 09/07/2010 |
| 7783444 | Systems and methods of alternative overlay calculation Methods and systems of alternative overlay calculation and of calculating overlay stability based on alternative overlay settings in a fabrication unit, and a computer readable medium are disclosed being capable of calculating alternative overlay error values based ... | 08/24/2010 |
| 7783443 | Information processing apparatus, information processing method, and calibration Jig When a calibration jig (50) which includes an image sensing device (100) is moved within the image sensing range of an image sensing device (200), the image coordinates of an index (110) on the image sensing device (100) in a plura... | 08/24/2010 |
| 7765079 | Two-dimensional lattice calibrating device, two-dimensional lattice calibrating method, two-dimensional lattice calibrating program and recording medium A two-dimensional lattice calibrating device includes: a measuring unit that measures respective positions of marks for each of a plurality of measurement dispositions; a simultaneous-equations generating unit that generates simultaneous equations for acquiring devi... | 07/27/2010 |
| 7756660 | Lithographic apparatus and device manufacturing method A lithographic apparatus has an array of individually controllable elements to impart a projection beam with a pattern in its cross-section. The projection system includes an array of lenses and an actuator configured to change the shape of the array of lenses. In o... | 07/13/2010 |
| 7729875 | Long infrastructure management system and program A long object management system for managing the history of the attribute data as well as the shape data constituting the temporal information of pipeline facilities, in which the future prediction is conducted by acquiring and managing the temporal information. The... | 06/01/2010 |
| 7725279 | System and a method for motion tracking using a calibration unit The invention relates to motion tracking system (10) for tracking a movement of an object (P) in a three-dimensional space, the said object being composed of object portions having individual dimensions and mutual proportions and being sequentially interconne... | 05/25/2010 |
| 7715998 | Surveying instrument There are provided a horizontal angle detector for detecting a horizontal angle, an elevation angle detector for detecting an elevation angle, a dynamic displacement detector for detecting posture displacement of a surveying instrument main unit in two horizontal di... | 05/11/2010 |
| 7711507 | Method and device for determining the relative position of a first object with respect to a second object, corresponding computer program and a computer-readable storage medium A method and system determines a relative position of a first object in relation to a second object. A computer program and computer-readable storage medium is usable to determine a spatial position and orientation of measurement devices in environments of arbitrary... | 05/04/2010 |
| 7711508 | Position detector Two position sensors provide, as outputs, two signals that vary sinusoidally at a pitch of wavelength λ with respect to a displacement of a target and have phases shifted from each other by 90°. A memory unit has stored therein offset values for the two signals, a... | 05/04/2010 |
| 7668677 | Error correction method for a displacement sensor signal A method and device for correcting an error caused by electromagnetic interference, in a signal of an inductive displacement sensor or angle sensor, in that when known activation of at least one component which causes electromagnetic interference occurs and there is... | 02/23/2010 |
| 7640128 | Rotor position detection in an electrical machine An electrical machine has a rotor position transducer which provides output signals to a control system. The output signals contain errors due to component shortcomings and manufacturing imperfections. A method is disclosed which is able to determine the errors in t... | 12/29/2009 |
| 7599810 | Position detecting circuit and apparatus using the same A position detecting circuit including: a plurality of magnetic field detecting devices discretely disposed for outputting a signal corresponding to a magnetic field strength produced by an oppositely disposed magnetic field generation means; a correction parameter ... | 10/06/2009 |
| 7558689 | Information processing method and system An information-processing system for calibrating an orientation sensor mounted on an image-pickup device calculates a relative orientation between the orientation sensor and the image-pickup device by using information about image coordinates of indices detected fro... | 07/07/2009 |
| 7546215 | Method for calibrating a powered seat A method of calibrating a powered seat includes storing a first position of at least one seat part in a memory, calculating a second position of the at least one seat part by adding to the first position a difference between a predetermined value of first position a... | 06/09/2009 |
| 7542863 | Position measuring system A position-measuring system is for measuring the position of an object, movable in several degrees of freedom, relative to a stationary object. The position-measuring system includes at least one measuring graduation that is joined to one of the objects, as well as ... | 06/02/2009 |
| 7490014 | Distributed graph layout for sensor node networks Certain exemplary embodiments comprise a method, comprising: in a sensor node network comprising a plurality of sensor nodes, each sensor node from the plurality of sensor nodes having location coordinates that are initially unknown, each sensor node from the plural... | 02/10/2009 |
