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8172509 |
Device for detecting breakage of a turbomachine shaft
A device for detecting breakage of a turbomachine shaft is disclosed. The device includes a shaft having an upstream end and a downstream end; a rod having an upstream end and a downstream end, and...
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8151642 |
Semiconductor device
A semiconductor device according to the present invention includes a semiconductor substrate and an MEMS sensor provided on the semiconductor substrate. The MEMS sensor includes a first electrode...
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8136400 |
Accelerometer
A 3-dimensional MEMS accelerometer fabricated on a single planar substrate deploys three co-planar sensor elements. Each sensor element is a capacitive device deploying a static electrode plate and...
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8127606 |
Fault tolerant multidimensional acceleration and/or rotation sensor arrays with minimum numbers of redundant single dimension sensors and associated signal computation means
An inertial system design approach that can sense and tolerate failures of individual single dimensional acceleration and/or rotation sensors with a minimal number of sensors. Sets of 4 single...
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8109146 |
Measurement of bowed string dynamics
There are disclosed systems and methods for measuring the bowing parameters and the bowed string dynamics of a player playing a bowed string instrument. A system for measuring the bowing parameters...
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8100010 |
Method and system for forming an electronic assembly having inertial sensors mounted thereto
Systems and methods for forming an electronic assembly are provided. A first inertial sensor having a first sense axis is attached to a bracket. A second inertial sensor having a second sense axis...
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8092174 |
Wind turbine and method for determining at least one rotation parameter of a wind turbine rotor
A method of determining at least one rotation parameter of a wind turbine rotor rotating with a rotation speed and a phase is provided. The method comprises the steps of: measuring an effective...
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8082790 |
Solid-state inertial sensor on chip
Monolithic solid-state inertial sensor. The sensor detects rotation rate about three orthogonal axes and includes a micromachined monolithic piezoelectric crystalline structure including an equal...
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8079260 |
Fall detection apparatus
An electronic apparatus includes an acceleration detection unit configured to detect acceleration acting on the electronic apparatus, a noise removal unit configured to remove a noise component...
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8061203 |
Combined sensor
A combined detection element (6) of the present invention includes an acceleration detection element (2) and an angular velocity detection element (4) stacked on the acceleration detection element...
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8060337 |
Method and apparatus for estimating a motion parameter
A system for estimating motion parameters corresponding to a user. The system may generally include a receiver operable to receive a signal from an external source, an inertial sensor operable to...
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8056412 |
Inertial measurement unit and method of constructing the same using two orthogonal surfaces
A method of mounting in-plane sensors of an inertial measurement unit. The method includes the steps of: providing a structure having first and second planar surfaces oriented orthogonally to one...
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8055469 |
Method and apparatus for determining the attachment position of a motion sensing apparatus
A motion sensing apparatus generally comprising a housing unit operable to be attached to an object at an attachment position, an accelerometer operable to provide a signal corresponding to an...
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8047075 |
Vertically integrated 3-axis MEMS accelerometer with electronics
A system and method in accordance with the present invention provides for a low cost, bulk micromachined accelerometer integrated with electronics. The accelerometer can also be integrated with...
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8037758 |
Angular velocity detection apparatus
An angular velocity detection apparatus includes: a sensor unit having first and second detection axes serving as angular velocity detection axes, the first and second detection axes intersecting...
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8037760 |
Inertial sensor and electrical or electronic device
An inertial sensor includes an oscillator that is supported by an elastic supporting member such that the oscillator is floating relative to a base and the oscillator is displaceable along a single...
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8037759 |
Method and device for determining the relative position, velocity and/or acceleration of a body
In a method for determining the relative position, velocity, acceleration, and/or the rotation center of a body displaceable in a three dimensional space, at least twelve linear acceleration...
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8026714 |
Accelerometer with enhanced DC stability
An accelerometer with improved immunity to sensitivity drift is disclosed. In some embodiments, the accelerometer comprises an actuator that induces a known acceleration on a reference frame. A...
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8020442 |
High bandwidth inertial measurement unit
An inertial measurement unit is disclosed which includes a system of gyros for sensing angular rates, a system of accelerometers for sensing angular accelerations, an integrator for deriving...
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8006556 |
Sensor-based orientation system
A method for measuring positional changes of an object, including rotation about any or all of three axes, using linear accelerometers. There is disclosed a method of using a linear accelerometer...
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8007450 |
Systems, devices, and methods for interpreting movement
According to some exemplary embodiments, a method or system can involve associating a plurality of biokinetographic comparison results with a first specific dysfunction from a group of specific...
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8006557 |
Multi-axis sensor
A method and apparatus for sensing accelerations directed along multiple directions are provided. An embodiment comprises a sensor array comprising two sensor pairs, each of which provides an...
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8001839 |
Sensor unit
A sensor unit has a reference base. An acceleration sensor block and angular velocity sensor support rods are arranged on the reference base, using a bottom face and one side face of the reference...
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7860651 |
Enhanced inertial system performance
An inertial system is provided. The system includes at least one inertial sensor, a processing unit and a plurality of Kalman filters implemented in the processing unit. The Kalman filters receive...
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7849741 |
Gyro module
A gyro module includes: two gyro element pieces outputting a signal, the signal being obtained by combining a signal of an angular velocity of a first detection axis and a signal of an angular...
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7845228 |
Activity monitoring
An activity monitor is provided that reduces the amount of power consumed during a monitoring operation.
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7841236 |
Electric device with motion detection ability
The present invention relates to an electric device, which comprises: a micro inertial sensing module, for detecting a motion of the electric device with respect to the degree of freedom of six...
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7831354 |
Body state estimation of a vehicle
The present invention features a system and method for estimating body states of a vehicle. The system includes at least two sensors mounted to the vehicle. The sensors generate measured vehicle...
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7827000 |
Method and apparatus for estimating a motion parameter
A system for estimating motion parameters corresponding to a user. The system may generally include a receiver operable to receive a signal from an external source, an inertial sensor operable to...
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7814791 |
Sensor device
The present invention is related to sensor arrangements and particularly to sensor arrangements for symmetric response in a x-, y- and z-coordinate system. The arrangement comprises four gyroscopes...
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7814793 |
Gyro sensor module and angular velocity detection method
A mobile navigation system gyro module comprises: first and second gyro sensors outputting angular velocities ω1, ω2 around first and second axes intersecting at an acute angle θ12; a sign de...
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7814792 |
Gyro-module
A gyro-module includes: a first gyro element component having a first detection axis and a second detection axis, and outputting at least a signal that is based on angular velocity around the first...
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7793542 |
Caddie-corner single proof mass XYZ MEMS transducer
A three-axis MEMS transducer featuring a caddie-corner proof mass comprises a planar main body portion of conductive material and a planar extra mass caddie-corner feature. The main body portion...
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7784344 |
Integrated MEMS 3D multi-sensor
Apparatus, methods, and systems for sensing acceleration and magnetic fields in all three axes from a first capacitive bridge sensor having a first proof mass; and a second capacitive bridge sensor...
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7783392 |
Traveling apparatus and method of controlling the same
A traveling apparatus is provided with two wheels parallel each of which is driven independently, being controlled to be stable in an anteroposterior direction between the two wheels and traveling....
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7779689 |
Multiple axis transducer with multiple sensing range capability
A transducer package 20 includes a substrate 32 having a first axis of symmetry 36 and a second axis of symmetry 38 arranged orthogonal to the first axis of symmetry 36. At least a first sensor 50...
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7735368 |
Acceleration sensor
An acceleration sensor of the present invention is a heat sensing type acceleration sensor, and includes a heating chip formed with a heating element on a surface thereof, and a sensor chip formed...
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7690253 |
Fall detecting method and fall detecting device
A fall detecting method and a device for detecting a fall with high accuracy even when an object touches a human or a thing while falling. The fall detecting device has an output detecting part for...
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7682861 |
Method for manufacturing a micromechanical motion sensor, and a micromechanical motion sensor
The present invention relates to measuring devices used in measuring physical quantities, such as acceleration, angular acceleration, or angular velocity, and, more precisely, to micromechanical...
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7677100 |
Composite sensor and acceleration sensor
In an acceleration sensor, a first vibrator is arranged on a surface of a substrate such that the vibrator can vibrate in an X-axis direction. An angular-velocity-detecting vibrator is arranged...
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7672797 |
Flow measurement in partially filled pipes using pulsed peak velocity doppler
The present invention relates to a system and method for measurement of flow velocity using the transmission of a sequence of coherent pulsed ultrasonic signals into the flow, and sampling the...
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7650786 |
Apparatus for monitoring the rotational speed in a wind energy plant
An apparatus for monitoring the rotational speed in a wind energy plant, with a rotor shaft which is driven by the rotor and runs out into a gear unit, and with a generator shaft, which connects an...
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7640804 |
Apparatus for measuring activity
An activity measuring device (1) is used for recording the activity of a test subject, where the device (1) is attachable so as to be carried on the body of the test subject. According to the...
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7631559 |
Acceleration sensor
An acceleration sensor includes a base having an XY-substrate surface which is parallel to an XY plane, a beam portion having a frame shape which is arranged in a floating state above the...
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7617728 |
Tuning fork gyroscope
A gyroscope for detecting rotation about a gyro input axis, having a support structure, at least one mass flexibly coupled to the support structure such that it is capable of motion in two...
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7610166 |
Geolocation system and method for determining mammal locomotion movement
An example geolocation system for mounting on a mammal incorporates simple sensing sleeves on the calves of the body support members, combined with an accelerometer based gravity direction and...
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7607349 |
Angular velocity sensor structure
An angular velocity sensor structure for improving the off-axis sensitivity is provided in which a structure for detecting an off-axis acceleration component applied to the angular velocity sensor...
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7600428 |
Triaxial membrane accelerometer
The invention relates to accelerometer structures micro-machined according to micro-electronics technologies. The accelerometer according to the invention comprises a substrate, an elastically...
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7584660 |
Shock isolation system for an inertial sensor arrangement
The shock isolation system for an inertial sensor arrangement, on the one hand, causes an advantageous moment of inertia by the special arrangement of the individual sensors, especially of the...
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7562574 |
Method and device for measuring acceleration and/or inclination by using thermal convection of a fluid
Provided is an apparatus for measuring acceleration and a tilt angle using thermal convection of a fluid which includes a container containing the fluid, a heating body including a first heating...
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