Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 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 having a plurality of first interdigital portions aligned in a prescri... | 04/10/2012 |
| 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 a parallel dynamic electrode plate supported by a torsion beam. The ... | 03/20/2012 |
| 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 and the bowed string dynamics may comprise a computer, a bow system ... | 02/07/2012 |
| 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 from an output of the acceleration detection unit, a first determination... | 12/20/2011 |
| 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 (2) in such a manner as to avoid contacti... | 11/22/2011 |
| 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 sensors are provided and in each case arranged on a position which is stati... | 10/18/2011 |
| 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 axis, and a displacement detection unit detecting a displacement of ... | 10/18/2011 |
| 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 gyro-less angular rates from the sensed angular accelerations, and a compli... | 09/20/2011 |
| 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 to integrate two other 3D linear accelerometers in order to measure an... | 08/30/2011 |
| 7845228 | Activity monitoring An activity monitor is provided that reduces the amount of power consumed during a monitoring operation. ... | 12/07/2010 |
| 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 axes and thus issuing a sensing signal basing on the detection; a sensin... | 11/30/2010 |
| 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 includes a width, length, and at least four side edges. An x-axis sense... | 09/14/2010 |
| 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 and a second sensor 52 | 08/24/2010 |
| 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 generating an acceleration detection output after comparing the magn... | 04/06/2010 |
| 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 output shaft of the gear unit with a generator/converter unit, chara... | 01/26/2010 |
| 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 invention it is planned that the activity measuring device i... | 01/05/2010 |
| 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 the acceleration detection unit and an angular velocity signal output f... | 06/23/2009 |
| 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 to integrate two other 3D linear accelerometers in order to measure an... | 05/19/2009 |
| 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 axis directions. The sensor unit includes a correction value generation ... | 04/21/2009 |
| 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 second of the two rotational axes is aligned substantially perpendicular ... | 12/02/2008 |
| 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 to measure an acceleration along a first axis parallel to a plane of... | 10/07/2008 |
| 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 accelerometer, for detecting accelerations measured along a first directi... | 09/23/2008 |
| 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 deformable element (4) which is electrically conductive, ... | 08/05/2008 |
| 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 to a direction of an applied acceleration vector. The fall detection... | 07/08/2008 |
| 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 position of the body is updated based on one of the two types of mea... | 07/01/2008 |
| 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 and software functions associated with operating the high-energy den... | 05/13/2008 |
| 7367227 | Determination of wheel sensor position using shock sensors and a wireless solution A remote tire monitor system includes a control unit and a plurality of tire monitors mountable on respective wheels of a vehicle to transmit radio signals to the control unit. The tire monitors each include a pair of motion sensors such as shock sensors and a contr... | 05/06/2008 |
| 7362218 | Motion detection using a shock sensor in a remote tire pressure monitoring system A tire monitor for mounting to a vehicle as part of a remote tire monitoring system includes a tire condition sensor to produce a tire condition signal, a controller coupled to the tire condition sensor to control operation of the tire monitor, and a radio circuit c... | 04/22/2008 |
| 7356473 | Management and assistance system for the deaf A computer-aided communication and assistance system that uses a signal processing and other algorithms in a processor in wireless communication with a microphone system to aid a deaf person. An instrumented communication module receives information from one or more... | 04/08/2008 |
| 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 intermittently. ... | 02/05/2008 |
| 7305879 | Cross-component superconducting gravity gradiometer with improved linearity and sensitivity and method for gravity gradient sensing A cross-component superconducting gravity gradiometer sensitive to off-diagonal components of the gradient tensor includes, for each gradient axis, a pair of closely matched angular accelerometers coupled by superconducting circuitry, including sensing circuits desi... | 12/11/2007 |
| 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 is generated in the vibrator. As the vibrator is arranged to support ... | 11/27/2007 |
| 7293460 | Multiple-axis linear accelerometer A three-axis accelerometer is provided for sensing acceleration in three orthogonal axes. The accelerometer includes a support substrate, fixed electrodes having fixed capacitive plates fixed to the support substrate, and a movable inertial mass having movable capac... | 11/13/2007 |
| 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 oscillator capable of oscillating by a driving force and displaceable in a... | 11/06/2007 |
| 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 sensing ranges with essentially identical coverage, and additional signal... | 10/02/2007 |
| 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 substantially parallel to the X-Y sensing plane; a proof mass disposed... | 08/21/2007 |
| 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 made from the single crystal membrane senses acceleration in each of the... | 08/21/2007 |
| 7250322 | Method of making microsensor A linear accelerometer is provided having a support substrate, fixed electrodes having fixed capacitive plates, and a movable inertial mass having movable capacitive plates capacitively coupled to the fixed capacitive plates. Adjacent capacitive plates vary in heigh... | 07/31/2007 |
| 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 module and a velocity processor. The inertial measurement unit registers ... | 07/24/2007 |
| 7243545 | Physical quantity sensor having spring A physical quantity sensor detects physical quantity. The sensor includes a plurality of springs, which have different spring constants, respectively. The sensor has a wide detection range of the physical quantity without assembling multiple sensors. Therefore, the ... | 07/17/2007 |
