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WO/2012/014792 |
[Problem] To provide a physical quantity sensor that is superior both in terms of hermetic qualities and electrical stability. [Solution] Formed on the back surface (8a) of the frame body portion (8) of a sensor substrate (26) are a firs...
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WO/2012/012863 |
A system tracks an object in computer-assisted surgery. The system comprises a sensor unit secured to the femur. Gyroscopes on the sensor unit produce readings related to orientation data about three axes of rotation. A tracking unit rec...
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WO/2012/006936 |
The present invention relates to a fibre-optic coil for a fibre-optic gyroscope comprising a sensing frame and polarization-maintaining optical fibres (PMF) wound around the sensing frame, characterized in that said PMF are a PMF ribbon ...
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WO/2012/006762 |
A minimal reciprocal structure interferential all-fiber-optic gyroscope is provided, which belongs to the technical field of optical fiber sensing. The gyroscope comprises: a polarization light source (21), a detecting unit (22), a light...
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WO/2012/008955 |
An occasional calibration waveform is used to, first, make an interferometer sensitive to small changes in Sagnac phase difference due to rotating the gyroscope (this is commonly referred to as biasing the interferometer); second, supply...
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WO/2012/004979 |
Provided is a rotational vibration gyro which achieves improvement in the degree of freedom of design regarding flexural and torsional characteristics of a support spring. Disclosed is a rotational vibration gyro (1) characterized by bei...
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WO/2012/005062 |
This invention is directed to provision of a high-performance inertia sensor that can sustain SNR even in an environment where vibration disturbance exists. A vibration type inertia sensor comprises: two dead weights (2, 3); means (C1, C...
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WO/2012/004825 |
Provided is a rotational vibration gyro capable of accurately detecting the angular velocity. Disclosed is a rotational vibration gyro (1) characterized by being provided with a disc-shaped movable weight (4) which is released above a su...
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WO/2012/005292 |
Disclosed is a semiconductor substrate etching method that selectively etches a set etching region on a semiconductor substrate and which includes: a step which forms in the etching region a plurality of first concave sections with the s...
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WO/2012/001942 |
Disclosed are: an angular velocity sensor which comprises a perovskite complex oxide (NaxBiy)TiO0.5x+1.5y+2-BaTiO3 layer and is capable of determining an accurate angular velocity; an inkjet head which is capable of ejecting an accurate ...
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WO/2012/002514 |
Disclosed is a semiconductor device wherein a semiconductor substrate has a sensor region and an integrated circuit region, and a hollow is formed directly under the surface layer section in the sensor region. In the sensor region, a cap...
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WO/2011/161958 |
The disclosed inertial-force detection element has a frame, a flexible part, a support, and a detection unit. The frame has a first surface and a second surface which is opposite the first surface. A hollow region is formed inside the fr...
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WO/2011/158492 |
Disclosed are: a piezoelectric film which contains a lead-free ferroelectric material and has low dielectric loss and high piezoelectric performance equivalent to that of PZT; and a method for producing the piezoelectric film. Specifical...
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WO/2011/158491 |
Disclosed is a piezoelectric membrane that contains a lead-free ferroelectric material and exhibits low dielectric loss and piezoelectric performance as high as that of PZT. Also disclosed is a method for manufacturing said piezoelectric...
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WO/2011/158228 |
An attitude determination system provided with North-finding capability, comprises: a) a stage consisting of a rotating platform provided with a high precision positioning controller; b) an Inertial Navigation System (INS) comprising ine...
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WO/2011/158348 |
A composite sensor comprises: a first unit including first and second vibrators arranged symmetrically relative to each other and capable of being displaced in the direction of drive and the direction of detection; a second unit includin...
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WO/2011/158490 |
Disclosed is a piezoelectric film which comprises a (001)-oriented NaxLa1-xNiO3-x layer and a (001)-oriented (Na, Bi)TiO3-BaTiO3 layer, wherein x is 0.01-0.1 (inclusive). The NaxLa1-xNiO3-x layer (0.01 ≤ x ≤ 0.1) and the (Na, Bi)TiO3...
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WO/2011/155530 |
In the disclosed table device for inspecting angular velocity sensors: a rotary plate (20) is arranged on the output shaft of a motor (10) for providing angular velocities; angular velocity sensors (2) are arranged on the rotary plate (2...
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WO/2011/153839 |
A gyroscope and a method for manufacturing the same are provided. The gyroscope comprises: a substrate (100), which is equipped with a bottom driving electrode (110) and a bottom measuring electrode (120) arranged surrounding the bottom ...
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WO/2011/153837 |
An inertial micro electromechanical sensor and a manufacturing method thereof are provided. The inertial micro electromechanical sensor includes a main body (10) and a mass block (200) which can move relatively to each other. The main bo...
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WO/2011/152105 |
A magnetic gyroscope (1) has: a triaxial magnetic sensor (21); a triaxial acceleration sensor (22); a memory (3); a first rotational axis determination means (41); a second rotational axis determination means (42); a first rotational ang...
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WO/2011/146986 |
A down hole surveying tool (10) for directional surveying of boreholes. The tool (10) comprises a body (11) which accommodates a two-axis gyroscope (13) and a two-axis accelerometer (15). The gyroscope (13) and accelerometer (15) are rig...
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WO/2011/147787 |
The invention relates to an inertial rotation sensor including a base (1) on which a hemispherical vibrating resonator (4) is mounted, said hemispherical vibrating resonator being combined with transducers defining at least two control p...
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WO/2011/148137 |
The invention comprises an inertia! sensor comprising a frame, a proof mass; a first resonant element having a proximal end and a distal end, the first resonant element being fixed to the frame at its proximal end and coupled to the proo...
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WO/2011/145729 |
Provided is a composite sensor wherein the detection sensitivities of an acceleration sensor and an angular velocity sensor are improved by sealing the respective sensors in pressure atmospheres corresponding thereto in the process of a ...
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WO/2011/144899 |
An angular velocity sensor is described with improved ageing and hysteresis properties. The sensor may be of a ring type driven by a driver circuit, the sensor further comprising primary and secondary portions having corresponding signal...
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WO/2011/145543 |
Provided is a vibratory gyroscope that is smaller than those of the conventional art, that minimizes variations in machining errors in mass detection sections, and that has a configuration that enables the accuracy of matching the natura...
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WO/2011/144890 |
An inertial sensor is described that has means for improving quadrature rejection The sensor is of a ring type, driven by a driver circuit, the sensor further comprising primary and secondary portions having corresponding signal pickoffs...
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WO/2011/142399 |
Provided is a direction detecting device capable of appropriately performing a correction using a geomagnetic sensor. Specifically provided is a direction detecting device applied to a game machine (1) comprising a housing (2) serving as...
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WO/2011/139966 |
A method in which a ribbon fiber, containing a plurality of waveguides each having a first end and a second end, is wound into a coil and the second end of a first waveguide is coupled together with the first end of a second waveguide su...
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WO/2011/140534 |
A method and system for transmitting source light to a plurality of Sagnac interferometers includes a first directional coupler that splits the source light into a second light beam and a third light beam. The second light beam supplies ...
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WO/2011/136972 |
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using gyroscopes. Such gyroscopes may include a sense frame, a proof mass disposed outside the sense f...
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WO/2011/136969 |
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using gyroscopes. Such gyroscopes may include a central anchor, a sense frame disposed around the cent...
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WO/2011/136971 |
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using gyroscopes. Some gyroscopes include a drive frame, a central anchor and a plurality of drive bea...
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WO/2011/136970 |
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using x-axis gyroscopes, y-axis gyroscopes, z-axis gyroscopes, two-axis accelerometers and three-axis ...
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WO/2011/131690 |
The invention relates to a micro-gyroscope for detecting motions relative to an X and/or Y and Z axis, particularly as a 3D, 5D, or 6D sensor. Said micro- gyroscope comprises a substrate (2), a plurality of oscillating sample masses (1 )...
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WO/2011/131285 |
A rotational rate sensor arrangement (100) comprises a micro-electronically mechanical rotational rate sensor device (110) and a piezoelectric actuator (131), which is mechanically connected to the rotational rate sensor device (110). A ...
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WO/2011/133682 |
In one embodiment, an apparatus includes a resonant structure having a plate, a drive electrode and a sense electrode. The resonant structure defines an axis substantially orthogonal to a plane defined by the plate when the resonant stru...
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WO/2011/128605 |
A gyroscopic system provides measurements on the basis of a vibrating gyroscope and provides a measurement signal. A periodic control signal is applied to it; in order to rotate (21) the position of vibration, during a half period, accor...
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WO/2011/128606 |
Gyroscopic measurements are provided, by a system comprising a vibrating gyroscope, in the form of an output signal. The vibrating gyroscope provides an original measurement signal. A periodic control signal (CP) is applied to it over a ...
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WO/2011/128449 |
A micro-electromechanical system (MEMS) structure for an angular rate sensor, the structure being positioned between first and second silicon-insulator composite wafers formed of a plurality of structured silicon parts, electrically isol...
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WO/2011/126861 |
Systems and methods are described for operating motion sensors in a power-efficient manner. An example technique described herein includes obtaining, at a motion sensor, first indications of sensed motion of a device associated with the ...
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WO/2011/126033 |
Provided is a physical quantity sensor capable of obtaining a physical quantity detection signal with a high accuracy. The physical quantity sensor has: an oscillator for converting an externally applied physical quantity to an electrica...
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WO/2011/124576 |
An inertial sensor is described in which a resonant element is driven by control electronics into resonance. The control electronics includes an oscillator. A circuit is provided for matching the frequency of the oscillator with the freq...
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WO/2011/121863 |
Disclosed is a piezoelectric thin-film element which comprises a substrate and, disposed thereon, at least a lower electrode, a piezoelectric thin film represented by the general formula (NaxKyLiz)NbO3 (0≤x≤1, 0≤y≤1, 0≤z≤0.2,...
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WO/2011/119232 |
Optical gyroscope devices based on optical whispering gallery mode resonators that measure rotations based on rotation-induced optical phase shift in optical whispering gallery mode resonators.
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WO/2011/116941 |
Method of angular measurement by means of a sensor comprising an axisymmetric resonator associated with means for setting the resonator into vibration and with means for detecting an orientation of the vibration with respect to a referen...
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WO/2011/119930 |
A resonant sensor is provided. The resonant sensor may have a structure including a base portion, a mass portion, and a mechanical beam connecting the base portion to the mass portion. In addition, the structure may include a first sensi...
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WO/2011/116945 |
Method of angular measurement by means of a resonator associated with means for setting into vibration and with means for detecting vibrations (5.1, 5.1), which are linked to a processing circuit (10, 100) through which there travel cont...
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WO/2011/113917 |
The invention relates to a method for the precise measuring operation of a micro-mechanical rotation rate sensor, comprising at least one seismic mass, at least one drive device for driving the seismic mass in the primary mode (q1) and a...
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