Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 18,200

Document Document Title
WO/2009/001310A1
The present invention relates to a method and apparatus for determining an angular position of a rotor of a wind turbine. The method comprises the steps of rotating at least three acceleration sensors (16), which are situated at a distan...  
WO/2008/155312A1
Electrostatic device for damping a mechanical vibration movement of a moving object, the moving object being made of an electrically conductive material, the movement of the moving object having at least one parasitic vibration mode of f...  
WO/2008/156018A1
A capacitance type acceleration sensor in which detection error can be reduced by suppressing the component of other axial acceleration, is provided. There are bonded onto one major surface of a glass substrate (11) a substantially recta...  
WO/2008/156896A2
A resonant laser powered micro accelerator platform capable of producing relativistic or near relativistic electrons and, optionally, x-rays. The apparatus has a pair of parallel slab-symmetric dielectric slabs that are separated by a na...  
WO/2008/151683A1
The invention relates to a method and a switch arrangement for operating a micromechanical capacitive sensor having at least one, and at most two, fixed electrodes (E1, E2) and one differential capacitor formed by a movable central elect...  
WO/2008/149693A1
A fact that the differentiated absolute value of acceleration drops below a negative threshold DAth1 in the negative direction from a first stage (S1: steady state) where such value is substantially 0 is detected and considered to be a s...  
WO/2008/150536A3
An arrangement that converts mechanical energy into electrical energy employs a base member and a cantilever member coupled thereto. The cantilever member has two piezoelectric layers with an air space therebetween. A proof mass is coupl...  
WO/2008/149821A1
Provided is a small and low-height sensor device. The sensor device is provided with a base body (1); a mounting body (3), which is arranged by being at least partially spaced apart from the base body (1) and can be displaced with respec...  
WO/2008/150536A8
An arrangement that converts mechanical energy into electrical energy employs a base member and a cantilever member coupled thereto. The cantilever member has two piezoelectric layers with an air space therebetween. A proof mass is coupl...  
WO/2008/146757A1
It is possible to estimate a reliable offset even if a vector physical amount to be measured is not a measured data group acquired in a uniform space. It is possible to further improve the reliability of the estimated offset. A vector ph...  
WO/2008/145823A1
The invention relates to measuring devices used in measuring angular velocity, and, more precisely, to vibrating micromechanical sensors of angular velocity. In the solution for a sensor of angular velocity according to the invention, a ...  
WO/2008/146624A1
Provided is an acceleration sensor which has high detection sensitivity and can be manufactured with improved manufacturing efficiency. An acceleration sensor (50) is provided with a ceramic substrate (1) composed of Al2O3; a ferroelectr...  
WO/2008/143191A1
An MEMS (Micro Electro Mechanical Systems) sensor comprises a base layer and a deformation part formed above the base layer with a gap therebetween and deformed by an external force. The deformation part is made of an organic material.  
WO/2008/141774A1
The invention relates to a device (2) for the error monitoring of chassis components of rail vehicles, comprising at least one vibration sensor (28, 28', 28'). According to one embodiment of the invention, at least one vibration sensor (...  
WO/2008/140147A1
A method and apparatus for determining a vertical driving state using a sensor which determines the driving state according to a gravity change of a moving object by using an acceleration sensor are provided. The method of determining a ...  
WO/2008/139503A1
A wide-band, single-axis or multiple-axis accelerometer or acceleration-measuring sensor (1), self-recognising its calibration is described, comprising at least one accelerometric detecting unit, such group being composed of at least two...  
WO/2008/137934A1
Methods and devices for a miniature, ultra-low power impact recorder (24) for detecting, quantifying and recording the energy of an explosive blast or ballistic projectile impact. In one embodiment, the impact recorder can included a sen...  
WO/2008/136316A1
Disclosed is a laminated substrate structure wherein electrical conductivity between a conductive member penetrating through a substrate and a conductive substrate joined to the substrate is high. Specifically, a conductive member (12) i...  
WO/2008/135314A1
An acceleration (a1) in a first direction and at least one yaw rate about an axis extending perpendicular to the first direction are each captured on a first location of the vehicle, or are determined from variables that were detected on...  
WO/2008/133183A1
A capacitance type acceleration sensor that is excellent in the linearity of sensitivity and has a simple structure. A pair of fixed electrodes (12) is formed on one main surface of a glass substrate (11). The fixed electrodes (12) of th...  
WO/2008/129865A1
An inertia force sensor is provided with a spindle section; a first fixed section connected to the spindle section; a second fixed section connected to the spindle section through the first fixed section; a first electrode arranged on a ...  
WO/2008/126409A1
An acceleration sensor is provided with a main substrate having a spindle section, and a facing substrate, which is placed over the main substrate through a protruding section and faces the spindle section of the main substrate through a...  
WO/2008/127849A3
Multi-axis micromachined accelerometer and rate sensor having first and second generally planar masses disposed side-by-side and connected together along adjacent edge portions thereof for torsional movement about axes parallel to a firs...  
WO/2008/128087A1
An apparatus having an arrangement of two or more identical accelerometers with aligned sensitivity axes. Each of the accelerometers senses motion over at least one axis. The accelerometer readings include a component corresponding to gr...  
WO/2008/125730A1
The invention relates to measuring devices to be used in physical measuring, and more particularly, to a method and a device for measuring the progress of a moving person. In the solution according to the invention the quantities describ...  
WO/2008/127849A2
Multi-axis micromachined accelerometer and rate sensor having first and second generally planar masses disposed side-by-side and connected together along adjacent edge portions thereof for torsional movement about axes parallel to a firs...  
WO/2008/121739A1
A system (10) and method detect freefall associated with an object that is spinning or tumbling as it falls. Two tri-axis accelerometers (14, 16) provide inputs to an algorithm (28) that detects the freefall of a spinning object that wou...  
WO/2008/121739A8
A system (10) and method detect freefall associated with an object that is spinning or tumbling as it falls. Two tri-axis accelerometers (14, 16) provide inputs to an algorithm (28) that detects the freefall of a spinning object that wou...  
WO/2008/116882A1
The invention provides an accelerometer comprised entirely in a single component of a piezoelectric or piezoresistive material. The accelerometer comprises three electrode regions each being adapted to provide a specific electrical patte...  
WO/2008/111100A1
System (100) for measuring an angular velocity (ωa) of a body (1) , comprising: a plurality (PA) of axial inert ial accelerometers associable to said body (1) for the measurement of linear accelerations of the body (1); at least one gyr...  
WO/2008/110519A1
The invention relates to an automatic stabilizing unit for watercrafts, such as boats, yachts and the like. In order to provide stabilization of the watercraft over the entire speed range and during all water conditions while maintaining...  
WO/2008/112700A1
This invention relates to high precision, fluid-containing, transducer-based accelerometers that are capable of measuring acceleration, inclination, position and velocity by measuring the electronic response of a transducer to fluid flow...  
WO/2008/111291A1
An acceleration sensor having a fixed section adapted to be fixed to an object to be detected, a flexible section connected to the fixed section, a weight section connected to the fixed section via the flexible section, a first facing el...  
WO/2008/107737A1
The invention relates to an electronic circuit and a method capable of providing feedback in the electronic circuit, such that the effect of leakage currents in the circuit are minimised. The method includes the steps of storing an analo...  
WO/2008/108387A1
A first magnetic sensor (11) is arranged with its horizontal installation direction substantially parallel to a main surface of a substrate (10), so that it has sensitivity in the X-axis direction. Moreover, a second magnetic sensor (12)...  
WO/2008/107924A1
An apparatus for sensing impact of a body on a strip located on a support, characterised by comprising: a strip (2) of material presenting piezoelectric characteristics, applicable to a support in the region to be monitored; at least one...  
WO/2008/102535A1
An inertia force sensor includes a detection element (1) having an acceleration detection section. The detection element (1) has two perpendicular arms formed by connecting first arms (8) and second arms (10) in perpendicular directions,...  
WO/2008/102537A1
A composite sensor includes a flexible body having fixation sections to which weight sections are connected via flexible sections, facing electrodes arranged on the surfaces of the weight sections, and sensing electrodes arranged on the ...  
WO/2008/096936A1
Provided is a triple-axis MEMS acceleration sensor that measures accelerations in directions of first, second, and third axes, which spatially cross each other, using convection of a fluid, the triple-axis MEMS acceleration sensor compri...  
WO/2008/094358A1
A load-bearing structural member (12) has a continuous structural material (14) with piezoelectric material particles (16) mixed in throughout. The structural material may be any of a variety of suitable materials, such as polymer materi...  
WO/2008/093693A1
An electrostatic capacitance type acceleration sensor is formed by joining one main surface of a silicon substrate (11), which is a first substrate, and a glass substrate (13), which is a second substrate. The silicon substrate (11) has ...  
WO/2008/093680A1
Provided is a small and highly sensitive acceleration sensor which is provided with a simple structure and is easily manufactured. The acceleration sensor is provided with a pair of main surface protection members (31a, 31b) arranged at ...  
WO/2008/091722A1
An apparatus (100, 200) and method (300) for sensing acceleration are provided. The method includes producing (305) a first signal in response to an acceleration sensed by a transducer, producing (310) a second signal based on the first ...  
WO/2008/086635A1
The invention relates to an apparatus for performing dynamic strength measurements on a test object (5) and to a method for measuring the strength values of the test object 5. The apparatus according to the invention comprises a mass bod...  
WO/2008/085981A1
A measurement system is provided for measuring parameters of a motion system. The measurement system includes a sensor for sensing the passing of a magnetic field as the source of the magnetic field passes the sensor; a processor for pro...  
WO/2008/080683A2
The invention relates to a micromechanic acceleration sensor, comprising a substrate (1), an elastic membrane (5), which extends in parallel to the substrate plane, is partially connected to the substrate and comprises a surface region, ...  
WO/2008/080683A3
The invention relates to a micromechanic acceleration sensor, comprising a substrate (1), an elastic membrane (5), which extends in parallel to the substrate plane, is partially connected to the substrate and comprises a surface region, ...  
WO/2008/081776A1
An acceleration computing device which comprises wheel speed sensors FRs, FLs for detecting the respective actual wheel speeds of a front right wheel FR and a front left wheel FL that are drive wheels, and wheel speed sensors RRs, RLs fo...  
WO/2008/078770A1
A mechanical quantity sensor comprises: a first structure having a fixed portion with an opening, a displacing portion arranged in the opening and displacing with respect to the fixed portion, and a portion for connecting the fixed porti...  
WO/2008/074538A1
The invention relates to a micromechanical capacitive acceleration sensor having at least one seismic mass (1) connected in a deflectable manner to a substrate (5), at least one electrode (11) rigidly connected to the substrate (5), and ...  

Matches 601 - 650 out of 18,200