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WO/2009/028283 |
Provided is a semiconductor strain sensor having a strain sensor chip composed of a semiconductor substrate having a piezoresistive element as a strain detecting section. The semiconductor strain sensor has stable characteristics for a l...
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WO/2009/027037 |
A method for contactless capacitive thickness measurement of a flat material (10) that is placed in the fringe field (32) of a capacitor (C1, C2), with simultaneous measurement of the width L of an air gap (16) between the flat material ...
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WO/2009/028124 |
Provided is a pressure distribution detecting device using electromagnetic coupling, the cost of which can be reduced by reducing the number of wirings, the reliability of which can be improved, and in which an extra space other than a d...
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WO/2009/027457 |
The invention relates to a method for measuring the thickness (d) of a layer (40) on a carrier (20). According to the invention, the layer contains particles (80) of a magnetizable material and the thickness is measured with the aid of a...
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WO/2009/028776 |
The present invention relates to a portable wheel diameter measuring digital gauge. The portable wheel diameter measuring digital gauge includes an inner sliding unit provided to move along an outer circumference surface of a wheel, a di...
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WO/2009/024939 |
A method for determining an amount of creep for a tool on a cable and positioned in a well at an oilfield. The method includes moving a winch at a surface of the oilfield to effect movement of the tool below the surface in the well. The ...
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WO/2009/025886 |
A method of operating a metrology instrument includes generating relative motion between a probe (14) and a sample (22) at a scan frequency using an actuator (110). The method also includes detecting motion of the actuator using a positi...
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WO/2009/023917 |
A control system (30) for controlling equipment (66) includes a control member (14). At least one excitation device (16) is associated with the control member (14). A sensing arrangement (20) is in contaclless communication with the exci...
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WO/2009/024187 |
The contactless measurement device (2) for measuring the thickness of a film (48) or a layer deposited on a substrate moving opposite this device comprises an inductive distance sensor (22) and an air-cushion nozzle (20) fastened to this...
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WO/2009/025384 |
In a method for detecting an uneven surface defect of a magnetic metal, a signal generated due to deformation of an uneven surface defect of 0.5-6μm is detected. Such signal is a magnetic flux leaked from the magnetic metal to which the...
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WO/2009/025886 |
A method of operating a metrology instrument includes generating relative motion between a probe (14) and a sample (22) at a scan frequency using an actuator (110). The method also includes detecting motion of the actuator using a positi...
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WO/2009/021792 |
A displacement sensor having at least one magnetoelectric transducer element and a magnetic circuit comprising at least one flux piece (13) and at least one magnet (10) is proposed, in which an influencing of the magnetic flux, which inf...
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WO/2009/015638 |
The invention relates to an arrangement having at least one distance sensor, comprising at least two elevations (A, B) in the form of columns, and windings fitted around these elevations (A, B). The object of simplifying the design of th...
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WO/2009/017196 |
A flow rate control valve includes: a target probe (31) of magnetic response to be mounted at one end of a flow rate control valve spool (12); and a sensor housing (32) to be mounted at one end of a sleeve (11). The sensor housing (32) h...
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WO/2009/015639 |
The invention relates to a sensor system for a magnetic bearing, comprising two actuator coils (1, 2), two clocked power output stages (4, 5), a current sensor (3) for detecting those currents in the actuator coils (1, 2) which are encum...
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WO/2009/015780 |
The invention relates to a proximity sensor (1) for optically measuring the distance to a magnetic material. Said proximity sensor comprises a sensor evaluation unit (2) for providing and coupling light into an optical fiber (3) and at l...
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WO/2009/016160 |
Disclosed is a leak detector comprising a basic unit (10) that is connected to a probe (12) by means of a hose (11). The probe tip (16) is placed against test zones (T) of the test object (30). A test gas detector in the basic unit (10) ...
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WO/2009/013769 |
A method of compensating the measurement errors of a measuring machine (1) that derive from the deformations of the machine bed (2) caused by the load exerted by the workpiece to be measured on the machine bed, comprising a first acquisi...
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WO/2009/012956 |
The invention describes a sensor system (3) for measuring the thickness of a film (2) which is moved relative to the sensor system (3), which system has the following features: a first sensor apparatus (14) for measuring the thickness of...
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WO/2009/013787 |
A paper sheet thickness detection device which can reliably detect a foreign matter adhering to a paper sheet. A paper sheet thickness detection device (300) comprises a first sensor (301) and a second sensor (302) which detect a change ...
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WO/2009/012956 |
The invention describes a sensor system (3) for measuring the thickness of a film (2) which is moved relative to the sensor system (3), which system has the following features: a first sensor apparatus (14) for measuring the thickness of...
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WO/2009/010645 |
The invention relates to a reliable, simple and precise method for detecting the threshold thickness of a purely resistive material deposited on a sensor, and providing a response independent from the material resistivity. The invention ...
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WO/2009/011638 |
The invention concerns a system for measuring the alignment error of two axles provided with a first and a second coupling part by means of a biaxial orthogonal magnetic sensor system comprising a sensor and a magnet, wherein said sensor...
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WO/2009/011262 |
Provided is a contact detector having a detection needle for detecting the contact with a detecting object so that it is used in a measuring device for measuring a positional relation between the tool axis of a machining tool and a worki...
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WO/2009/011781 |
A method (400) of sensing proximity to a showerhead (102, 202) in a semiconductor-processing system is provided. The method (400) includes. measuring (402) a capacitance that varies with proximity to the showerhead (102, 202), as well as...
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WO/2009/010645 |
The invention relates to a reliable, simple and precise method for detecting the threshold thickness of a purely resistive material deposited on a sensor, and providing a response independent from the material resistivity. The invention ...
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WO/2009/004319 |
An eddy current sensor for use as a dynamic proximity sensor, particularly for monitoring of blade tip timing and clearance in turbomachinery, has a common coil (6) for use in both generating a magnetic field in a proximate region and de...
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WO/2009/004319 |
An eddy current sensor for use as a dynamic proximity sensor, particularly for monitoring of blade tip timing and clearance in turbomachinery, has a common coil (6) for use in both generating a magnetic field in a proximate region and de...
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WO/2009/002368 |
A magnetic rotational position sensor (20) has a single magnet (40) mounted on a rotating turret (30) that rotates on a housing (22) that is mounted about a fixed ball stud (52). The turret (30) is arranged to rotate in a first plane aro...
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WO/2009/001022 |
This invention relates to a piece of equipment intended for being sent through the inside of a pipe, with means to perceive and record irregularities caused by corrosion on the internal wall of the said pipe. It comprises elastomeric ele...
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WO/2009/003186 |
An apparatus including a controller, a workpiece transport in communication with the controller having a movable portion and a transport path, and a multi- dimensional position measurement device including at least one field generating p...
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WO/2009/003193 |
A sensing mechanism includes a magnetic source, a magnetic flux sensor, a sensor backing on which the magnetic source and flux sensor are mounted, and a ferromagnetic target, where the magnetic source, magnetic flux sensor, and ferromagn...
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WO/2009/002368 |
A magnetic rotational position sensor (20) has a single magnet (40) mounted on a rotating turret (30) that rotates on a housing (22) that is mounted about a fixed ball stud (52). The turret (30) is arranged to rotate in a first plane aro...
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WO/2008/156099 |
Provided is a magnetic detecting device, which is enabled to position highly precisely by detecting the horizontal intensity of a magnetic line of force emanating from the surface of a magnet and by changing a switch in accordance with t...
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WO/2008/152024 |
The invention relates to a method for monitoring the bending of a shaft, particularly a shaft in a kneader, the shaft being supported on at least one side. In a first step, the deviation of the shaft from the radial position is measured ...
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WO/2008/151597 |
The invention relates to an inductive sensor arrangement comprising a measurement coil (2), wherein an oscillator (4) supplies the measurement coil (2) with an alternating voltage. In order to improve the measurement behaviour of the sen...
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WO/2008/153340 |
The present invention provides an apparatus for measuring a step difference and an inclination angle difference between a first surface and a second surface which are to be measured, comprising: a first contacting member installed for be...
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WO/2008/153340 |
The present invention provides an apparatus for measuring a step difference and an inclination angle difference between a first surface and a second surface which are to be measured, comprising: a first contacting member installed for be...
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WO/2008/149805 |
Provided is a position detection system which can be realized at a low cost without requiring a strict management of sensor mounting accuracy. The position detection system includes: a linear motor (11) having a rod (1) in which N-poles ...
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WO/2008/150278 |
A lightweight wheel clamp assembly is provided for attaching to a vehicle wheel for performing a wheel alignment on the vehicle. Examples include a wheel clamp having an upper sliding bracket for engaging the vehicle wheel, a lower slidi...
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WO/2008/145292 |
The invention relates to an apparatus for detecting slow movements or changes in the length of a test piece (16), particularly by applying a tensile force that affects the test piece (16). Said apparatus comprises a measuring brace (26) ...
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WO/2008/146184 |
Magnetoresistive sensors are commonly used for angular detection in many automotive applications. According to an exemplary embodiment of the present invention, a sensor is provided in which a first half-bridge has magnetoresistive resis...
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WO/2008/146184 |
Magnetoresistive sensors are commonly used for angular detection in many automotive applications. According to an exemplary embodiment of the present invention, a sensor is provided in which a first half-bridge has magnetoresistive resis...
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WO/2008/143347 |
To ensure stable sensor output at a plurality of levels. A GMR sensor is provided with a plurality of GMR elements (12, 13) each of which has a free layer whose magnetization direction changes due to an external magnetic field; and a mag...
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WO/2008/143738 |
An improved apparatus and methods of posture and physical activity monitoring. The apparatus is physically mountable to or associated with an object or person, includes a multi-axis accelerometer, and derives measurements of posture and ...
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WO/2008/143738 |
An improved apparatus and methods of posture and physical activity monitoring. The apparatus is physically mountable to or associated with an object or person, includes a multi-axis accelerometer, and derives measurements of posture and ...
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WO/2008/142291 |
The invention relates to a method for preparing an ophthalmic lens for the purpose of mounting it in a surround (110) of a spectacle frame having an inner face (114) provided with a fitment rib or groove (111) and bordered by a rear edge...
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WO/2008/142951 |
Even if both of one marker for generating an alternating magnetic field by the power supply from an outside source and another marker provided with a resonant circuit having a resonant frequency in the same area as that of the frequency ...
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WO/2008/142291 |
The invention relates to a method for preparing an ophthalmic lens for the purpose of mounting it in a surround (110) of a spectacle frame having an inner face (114) provided with a fitment rib or groove (111) and bordered by a rear edge...
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WO/2008/141640 |
According to the invention, a method for compensating for temperature related measurement errors in an optical arrangement, comprising at least one lens (2) is designed with a view to an economical and reliable as possible compensation f...
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