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WO/2017/103750A1 |
A microelectromechanical (MEMS) accelerometer has a proof mass, a sense electrode, and an auxiliary electrode. The sense electrode is located relative to the proof mass such that a capacitance formed by the sense electrode and the proof ...
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WO/2017/098458A1 |
A microelectromechanical sensor, such as an accelerometer, has one more proof masses that respond to movement of the sensor, the movement of which is measured based on a distance between the one or more proof masses and on one or more se...
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WO/2017/098459A1 |
An accelerometer has a plurality of proof masses and a plurality of sense electrodes, which collectively form at least two capacitors. A first sense drive signal is applied to a first capacitor and a second sense drive signal is applied ...
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WO/2017/098456A1 |
A sensor such as an accelerometer includes a proof mass located opposite a plurality of electrodes located on a substrate. Some of the electrodes are auxiliary electrodes that apply an alternating current auxiliary signal to the proof ma...
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WO/2017/094521A1 |
In the present invention, when a stationary state determination unit 24 determines that a wearable device 2 is not in a stationary state or when an attitude determination unit 25 determines that the attitude of the wearable device 2 with...
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WO/2017/090067A1 |
An accelerometer system with automatic calibration is described, composed of: an electronic conditioning and digitizing circuit (5), a vibrating device (4) driven by the electronic circuit (5), and a set of groups of accelerometer transd...
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WO/2017/089904A1 |
A device (1) for determining a cinematic magnitude of a bicycle and a rate of the pedal- thrust exerted by an user on the pedals of said bicycle comprises: - a sensor (2) of said cinematic magnitude of the bicycle, adapted to be associat...
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WO/2017/085756A1 |
Provided is an information processing device having an acquisition unit for acquiring angular velocity output by an angular velocity sensor, a calculation unit for using the acquired angular velocity to calculate information about a firs...
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WO/2017/080547A1 |
The present invention relates to a method for determining a corrected rotational speed signal and to an electric motor arrangement. In one step of the method, a periodic rotational angle signal having a rotational-angle-dependent, period...
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WO/2017/078471A1 |
An apparatus according to various embodiments may comprise: an electronic device; and a frame including at least one vertical groove for disposing the electronic device in the vertical direction, wherein the electronic device provides a ...
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WO/2017/072897A1 |
To more accurately perform a control to stop vibration of a movable electrode, and shorten a self-diagnosis time. This acceleration sensor system has: a sensor that outputs an output signal that indicates a capacitance change correspondi...
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WO/2017/068711A1 |
There is a problem in that it is difficult to achieve a MEMS sensor having a wide dynamic range so that the MEMS sensor can cope with a low input to a high input, since the MEMS sensor is easily destroyed by a strong sound/vibration inpu...
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WO/2017/063740A1 |
The present invention concerns a method for determining the radial acceleration (Zcalc) of a vehicle wheel (1) in saturation conditions of a radial acceleration sensor, provided with a system for monitoring the pressure of the tyres, and...
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WO/2017/055022A1 |
The invention relates to a method for detecting a defect in an acceleration sensor (6). In order to be able to reliably detect a defect in an acceleration sensor (6), according to the invention the acceleration sensor (6) generates a sig...
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WO/2017/025726A1 |
A method of determining whether parametric performance of an inertial sensor has been degraded comprises: recording first data output from an inertial sensor; then recording second data output from the inertial sensor; comparing the firs...
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WO/2017/010309A1 |
The objective of the present invention is to provide an acceleration sensor in which it is possible to easily and inexpensively perform constant fault diagnosis on the acceleration sensor. In order to accomplish the above objective, this...
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WO/2017/006562A1 |
An inertial force sensor is provided with an acceleration detection element (20), a temperature sensor (44) for detecting the temperature around the acceleration detection element (20), a bridge circuit (first bridge circuit (41)) for pr...
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WO/2016/208440A1 |
Provided is a sensor output correction system with which the problem whereby the correction value employed in zero point correction diverges from the actual amount of deviation of the zero point. An ECU is equipped with: a travel route i...
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WO/2016/201413A1 |
An inertial measurement apparatus has mechanically bendable beams that have an isosceles trapezoid cross-section. The apparatus has a resonant member having a perimeter at least partially defined by a sidewall slanted at a first angular ...
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WO/2016/189509A1 |
The invention falls within the field of the techniques for manufacturing seismic monitoring systems and is applicable to structures related to civil engineering. The accelerometric sensor comprises - one or more accelerometers (2a, 2b); ...
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WO/2016/184585A1 |
The invention relates to a method for operating an inertial sensor (2) of a vehicle, in particular a motor vehicle, wherein measurement data of at least one measurement variable of the inertial sensor are captured during operation of the...
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WO/2016/165510A1 |
An inspection device and method. The device comprises a rotating device (10) and a rotating platform (20). A rotating shaft (12) of the rotating device (10) is perpendicularly disposed. The rotating platform (20) is horizontally disposed...
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WO/2016/164908A1 |
An opportunistic calibration method continuously monitors a smartphone orientation and compensates for its variation, as necessary. The method relies on the probabilistic fusion of built-in sensors; in particular, the GPS, accelerometer,...
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WO/2016/160181A1 |
An apparatus is disclosed that may include a substrate that may have a surface, a channel of a volume that may be defined, at least in part, by the substrate, wherein the channel may have a first end and a second end, a valve may be coup...
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WO/2016/113653A1 |
A capacitive sensor device includes capacitive elements for detecting at least two inertial channels. At least one of the inertial channel comprises at least two self-test tones with distinctive fundamental frequencies. Inertial signals ...
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WO/2016/114852A1 |
Described is an apparatus which comprises: a first sheet, formed of non-metallic material, to position a Device-Under-Test (DUT); and a frame, formed of non-magnetic material, to support the first sheet such that the frame can be oriente...
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WO/2016/111887A2 |
Methods and systems are provided herein for measuring 3D apparatus (e.g., manual tool or tool accessory) orientation. Example implementations use an auto-nulling algorithm that incorporates a quaternion-based unscented Kalman filter. Exa...
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WO/2016/110460A1 |
The invention relates to an acceleration sensor (400) comprising an excitation mass (420) having excitation electrodes (430), which excitation mass is movably mounted over a substrate (410) along a movement axis (x) and comprising detect...
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WO/2016/110439A1 |
The invention relates to a device (1) for testing an inertial sensor (2) for a vehicle, which has at least two attachment points (7, 8), having at least one first oscillation body (3, 4) to which the inertial sensor (2) is fastenable/fas...
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WO/2016/107806A1 |
Device for measuring an inertia parameter comprising a first sensor of electromechanical microsystem type operating at a first frequency and a second sensor of cold atoms device type operating at a second frequency which is lower than th...
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WO/2016/089843A1 |
A method is provided for determining flow conditions for a body immersed in a fluid. The method comprises obtaining flow sensor data downstream of the leading edge stagnation point (LESP) using one or more minimal calibration flow sensor...
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WO/2016/082952A1 |
The invention relates to an electronic arrangement in a motor vehicle, in which at least one, preferably, active sensor (3) is connected to a first electronic control unit (1) by means of a current interface for transmitting signals and/...
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WO/2016/068875A1 |
Adjusting emulated encoder frequencies in an example embodiment can include determining a difference between an encoder count and a theoretical encoder count and adjusting a frequency of an emulated encoder signal to mitigate at least so...
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WO/2016/069216A2 |
A magnetic field sensor for detecting motion of an object includes error detection circuiting and processing. Magnetic field sensing elements are configured to generate at least two magnetic field signals in response to a magnetic field ...
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WO/2016/059519A1 |
A capacitive sensor that includes at least one capacitive element and a switched-capacitor readout circuit part for detecting at least one signal capacitance that results from motions of the capacitive element. The self-test bias voltage...
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WO/2016/038984A1 |
For a small sensor produced through a MEMS process, when an electrode pad, wiring, or a shield layer is formed in a final step, it is difficult to nondestructively investigate whether a structure for sensing a physical quantity has been ...
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WO/2016/027001A1 |
According to an example aspect of the present invention, there is provided an apparatus comprising at least one processing core, at least one memory including computer program code, the at least one memory and the computer program code b...
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WO/2016/021485A1 |
Provided is a state monitoring device for wheel components for automobiles, capable of determining the presence of errors and specifying error sites, with high accuracy, in wheel components. Said device comprises: at least one first acce...
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WO/2016/014193A2 |
Systems, methods, and apparatuses for magnetic field sensors with self-test include a detection circuit to detect speed and direction of a target. One or more circuits to test accuracy of the detected speed and direction may be included....
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WO/2016/008782A1 |
The invention relates to an accelerometer device for determining the acceleration of an object to which the accelerometer device is mechanically connected, along 3 axes X, Y and Z of a main orthonormal reference system comprising three a...
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WO/2016/001037A1 |
The invention relates to a diagnosis of a drive system (1), in particular a door drive system, which has an electric motor (2), preferably a synchronous motor, with a stator (3) with phase windings (4, 5, 6) and with a rotor (7) excited ...
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WO/2015/192232A1 |
A downhole system comprises a main sensor, such as a gamma sensor, and a backup sensor. The backup sensor may be of a different type from the main sensor. In some embodiments the backup sensor is a high reliability sensor that may have a...
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WO/2015/189288A1 |
One example discloses a MEMS device, including: a cavity having an internal environment; a seal isolating the internal environment from an external environment outside the MEMS device; wherein the seal is susceptible to damage in respons...
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WO/2015/190104A1 |
In the present invention, a physical quantity sensor is provided with: a detection unit (415) that outputs a detection signal (430) according to the oscillations of an oscillating body (312) in an angular velocity sensor (30); and a self...
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WO/2015/185937A1 |
In a method for open loop operation of a capacitive accelerometer, a first mode of operation comprises electrically measuring a deflection of a proof mass (204) from the null position under an applied acceleration using a pickoff amplifi...
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WO/2015/182612A1 |
A smartphone (1) pertaining to an embodiment of the present invention is provided with an acceleration sensor (15) and a controller (10). The acceleration sensor (15) detects the acceleration in three axes. The controller (10) controls v...
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WO/2015/159725A1 |
The purpose of the present invention is to detect vehicle speed sensor failure in a short period of time. Provided is a vehicle speed sensor failure detection device that is connected to a vehicle speed sensor, which is mounted to a vehi...
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WO/2015/157069A1 |
This disclosure provides techniques for guiding a user through a calibration operation of a mobile de vice having a motion sensor. The user may receive one or more visual cues to aid the user in positioning the device in one or more desi...
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WO/2015/146046A1 |
The purpose of the present invention is to provide a correlation coefficient correction method, a correlation coefficient correction device, and a program, with which it is possible to improve the estimate accuracy of the walking speed o...
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WO/2015/146045A1 |
This vehicle sensor signal processing device is used in a vehicle. The vehicle sensor signal processing device is provided with an acceleration sensor, a detected value acquisition unit for acquiring detected acceleration values output b...
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