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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...
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...
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...
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...
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...
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...
7574914 Acceleration sensor  
An acceleration sensor includes a frame-shaped beam portion disposed above an XY substrate surface of a base in a floating state and a beam-portion supporting/fixing unit arranged to attach the...
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...
7555949 Angular velocity measuring device  
An angular velocity measuring device includes an angular having a mounting surface on which a velocity detection element, element-side drive electrodes and element-side detection electrodes are...
7552636 Electron/hole transport-based NEMS gyro and devices using the same  
A nanomechanical (NEMS) gyroscope includes an integrated circuit substrate, a pair of spaced apart contact pads disposed on the substrate, and a movable nanoscale element forming at least a portion...
7549335 Free fall detection device  
A free fall detection device capable of detecting a fall accompanied by rotation is provided. A fall accompanied by rotation is detected based on a waveform of an acceleration signal output from...
7536909 Three-dimensional multi-chips and tri-axial sensors and methods of manufacturing the same  
Devices for providing tri-axial measurements in an x-direction, a y-direction, and a z-direction and methods of their manufacture are disclosed. The devices comprise a leadframe, at least one X-...
7533569 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...
7520170 Output correction circuit for three-axis accelerometer  
A sensor unit for a three-axis accelerometer enabling reduction in chip size. The sensor unit is connected to an accelerometer that detects a plurality of acceleration values for a plurality of...
7513155 Inertial sensor  
Four sensor units (SUA 1 to SUA 4 ) are disposed symmetrically about a point, on both top and bottom and left and right centering around one point of a support ( 15 e ). Furthermore, four sensor...
7505865 Velocity detection, position detection and navigation system  
As an embodiment of the present invention, in a navigation system using an acceleration sensor, when position information cannot be obtained from a GPS processing section, a velocity detecting unit...
7458264 Generalized inertial measurement error reduction through multiple axis rotation during flight  
An inertial measurement unit is provided. The inertial measurement unit comprises two rotational axes, wherein a first of the two rotational axes is aligned nominally along a thrust axis and a...
7430909 Tri-axis accelerometer  
In an embodiment of the present invention there is provided a micro-electromechanical (MEMS) accelerometer, including a substrate, a first sensor and a second sensor. The first sensor is configured...
7426878 Sensing device for measuring movement along linear/arc path  
A sensing device for measuring movement along linear/arc path, being adapted to adhere to a body, is capable of determining specific movements of the body, which comprises: at least a two-axis...
7406869 Movement detector having six degrees of freedom with three position sensors and method for the production of a sensor  
The movement detector having six degrees of freedom comprises a support on which three position sensors are arranged according to three orthogonal axes. Each sensor comprises a rigid body ( 3 ), a...
7395709 Fall detection device  
A fall detection device is provided, which accomplishes a fall judgment on acceleration by a simple calculation and improves uniformity of effective threshold value for the acceleration judgment as...
7395181 Motion tracking system  
Tracking a motion of a body by obtaining two types of measurements associated with the motion of the body, one of the types including acoustic measurement. An estimate of either an orientation or a...
7370532 RF communications method and system for laser ultrasonic testing  
A system including a processor, a high-energy density system linked to the processor, and a communicator linked to the processor. The communicator comprehensively integrates a plurality of hardware...
7325453 Activity monitoring  
An activity monitor is provided that can be cheaper and require lower power than existing activity monitors. A single output channel from a plurality of motion sensors is provided and monitored...
7299695 Acceleration sensor  
An acceleration sensor includes a weight and a vibrator that supports the weight at its center of gravity. When acceleration is applied to the weight, stress equivalent to the applied acceleration...
7290449 Physical quantity sensor having angular speed sensor and acceleration sensor  
A physical quantity sensor includes: a substrate; an angular speed sensor disposed on the substrate; and an acceleration sensor disposed on the substrate. The angular speed sensor includes an...
7275431 Vehicle mounted system for detecting objects  
A method for object detection using vehicle-mounted sensors is provided, the sensing ranges of which sensors overlap at least partially. In this context, signals of at least two sensors having...
7258012 Integrated monolithic tri-axial micromachined accelerometer  
A monolithic integrated 3-axis accelerometer chip includes a single crystal substrate, the substrate including at least one single crystal membrane layer portion. A single sensor microstructure...
7258011 Multiple axis accelerometer  
A sensor for measuring acceleration in three mutually orthogonal axes, X, Y and Z is disclosed. The sensor comprises a sensor subassembly. The sensor subassembly further comprises a base which is...
7248967 Autonomous velocity estimation and navigation  
Measurement of a spatial velocity vector in order to make determination of a geographical position possible. A spatial velocity meter includes an inertial measurement unit, a direction-sensing...
7237437 MEMS sensor systems and methods  
MEMS Sensor Systems and Methods are provided. In one embodiment, a method for producing a six degree of freedom inertial sensor is provided. The method comprises fabricating a first silicon wafer...
7237169 Cross-monitoring sensor system and method  
Cross-monitoring sensor system and method in which a plurality of sensors each having a sensing element, circuitry for processing signals from the sensing element, an output interface for...
7231825 Accelerometer based tilt sensor and method for using same  
A tilt sensor and a method for the use of the tilt sensor to calculate the degree of tilt, whereby the tilt sensor has at least three accelerometers mounted to a base, the accelerometers are...
7210351 Micro accelerometer  
A micro accelerometer including a plurality of proof masses is provided to detect the acceleration of the first axis, the second axis and the third axis. The disclosed micro accelerometer has the...
7178401 Three axis accelerometer with variable axis sensitivity  
The accelerometer includes an inertial mass, a fixed base and at least one or more supports/sensors for supporting the mass from the base rendering the support system statically indeterminate. The...
7093488 Vibrating resonator inertial rotation sensor  
The inertial rotation sensor comprising a vibrating resonator associated with transducers defining a pair of control channels and a pair of detection channels, preferably comprises a single...
7081824 Track monitoring equipment  
The alignment of railway tracks may be monitored using an accelerometer ( 36 ) mounted on a bogie ( 24 ) of a railway vehicle to detect lateral accelerations, and a displacement transducer ( 38 )...
7040922 Multi-surface mounting member and electronic device  
An electrical interconnect apparatus has a mounting member with a plurality of sides. The mounting member is formed from an insulator as a cuboid. Moreover, the mounting member also may be formed...
7021140 Electronic measurement of the motion of a moving body of sports equipment  
An application of rate gyros and accelerometers allows electronic measurement of the motion of a rigid or semi-rigid body, such as a body associated with sporting equipment including a fly rod...
7003399 Gas jet control for inertial measurement unit  
An inertial navigation system is provided. The system includes a gas supported sensor block that is adapted to rotate in three dimensions in a near frictionless environment, a plurality of jet...
6981416 Multi-axis solid state accelerometer  
A multi-axis solid state accelerometer is made of electricity conductive material and is made by way of micro-machining. The main structure includes at least one proof mass connected to an anchor...
6980920 Embedded sensor system for tracking moving objects  
A method and apparatus describing a device for tracking moving objects or persons are taught. The invention is an embedded system using a series of sensors such as light sensors along a passageway...
6948367 Dual bridge angular and linear accelerometer  
An accelerometer includes an inertial platform maintaining an attitude in response to a platform stabilizing controller signal and defining a spin axis and a reference plane. An accelerometer,...
6923059 Angular motion measurement arrangement  
An angular motion measurement system disposed on a movable platform having a first and second section, the system comprising a first and second measurement arrangement and a processor arrangement....
6895817 Dual bridge angular accelerometer  
An accelerometer includes an inertial platform maintaining an attitude in response to a platform stabilizing controller signal and defining a spin axis and a reference plane. An accelerometer,...
6836744 Portable system for analyzing human gait  
The invention is a portable gait analyzer comprising of at least one independent rear foot motion collection unit, at least one independent lower shank motion collection unit, plantar pressure...
6826960 Triaxial acceleration sensor  
A triaxial acceleration sensor comprises an inertial mass suspended in three orthogonal directions by support members in a statically determinate structure. Acceleration applied to the inertial...
6810738 Acceleration measuring apparatus with calibration function  
An acceleration measuring apparatus capable of calibrating its output with a zero-point in the state of no acceleration applied as well as sensitivity. An acceleration sensor detects each component...
6792803 Method to improve estimation of vehicle longitudinal velocity  
A method for estimating the longitudinal velocity of a vehicle generally comprises the steps of determining whether the vehicle has a lateral acceleration greater than a predetermined value, and...
6789425 Acceleration-sensing system  
An acceleration-sensing system for sensing acceleration in a three-dimensional manner is proposed. The acceleration-sensing system includes a first acceleration-sensing unit for sensing...
Matches 1 - 50 out of 248 1 2 3 4 5 >