Class / Patent application number | Description | Number of patent applications / Date published |
073504080 | Rotary gyroscope | 29 |
20090064780 | MICROELECTROMECHANICAL SENSOR WITH IMPROVED MECHANICAL DECOUPLING OF SENSING AND DRIVING MODES - A driving mass of an integrated microelectromechanical structure is moved with a rotary motion about an axis of rotation, and a sensing mass is connected to the driving mass via elastic supporting elements so as to perform a detection movement in the presence of an external stress. The driving mass is anchored to a first anchorage arranged along the axis of rotation by first elastic anchorage elements. The driving mass is also coupled to a pair of further anchorages positioned externally thereof and coupled to opposite sides with respect to the first anchorage by further elastic anchorage elements; the elastic supporting elements and the first and further elastic anchorage elements render the driving mass fixed to the first sensing mass in the rotary motion, and substantially decoupled from the sensing mass in the detection movement, the detection movement being a rotation about an axis lying in a plane. | 03-12-2009 |
20100024546 | DISC RESONATOR INTEGRAL INERTIAL MEASUREMENT UNIT - Sensing motion of multiple degrees of freedom for an integral inertial measurement unit provided through the operation of a single centrally mounted planar disc resonator having a single driven mode in a single vacuum enclosure is disclosed. The resonator comprises a circumferentially slotted disc having multiple internal capacitive electrodes within the slots in order to excite a single in-plane driven vibration and sense in-plane vibration modes or motion of the resonator. In addition, vertical electrodes disposed below and/or above the resonator may also be used to sense out-of-plane vibration or motion. Acceleration sensing in three orthogonal axes can be obtained by sensing two lateral modes of the disc resonator in the plane of the disc from the internal electrodes and a vertical mode from the vertical electrodes. | 02-04-2010 |
20100107758 | STRUCTURAL MEMBER HAVING A PLURALITY OF CONDUCTIVE REGIONS - A structural member having a plurality of conductive regions electrically insulated from each other, in which the plurality of conductive regions are electrically insulated from each other by continuous oxidized regions, and the oxidized regions are each formed of an oxide made of a material having a plurality of through holes or trenches formed therein. | 05-06-2010 |
20100147072 | SENSOR DEVICE - A sensor device includes: a sensor component including a package, connection terminals having first terminals on a terminal forming surface of the package, and a sensor element that has a detection axis and is housed in the package; a resin part covering the sensor component; and mounting leads, each of the mounting leads including, a one-end part formed by being folded so as to be coupled to one of the first connection terminals in the resin part so that a main surface of the one-end part and a main surface of the one of the first connection terminals face each other, an intermediate part extending toward a mounting surface of the sensor device from the one-end part, and an other-end part formed by being folded so as to be externally exposed from the resin part. In the device, the sensor component is tilted or orthogonal with respect to the mounting surface, and the connection terminals are provided along one of sides forming an outline of the terminal forming surface, the one side being tilted or orthogonal with respect to the mounting surface. | 06-17-2010 |
20110041601 | Frequency modulated micro-gyro signal processing method and device - A signal processing method and device for measuring the input rate of an FM micro-gyro having a modulation frequency F | 02-24-2011 |
20110094301 | MICROGYROSCOPE - The invention relates to a microgyroscope for determining rotational movements about an x, y or z axis. At least one anchor is fastened to a substrate. A plurality of, in particular four, masses which oscillate radially with respect to the anchor are fastened to the anchor by means of springs. Drive elements are used to vibrate at least individual ones of the masses in an oscillatory manner in the x or y direction in order to produce Coriolis forces when the substrate is deflected. Sensor elements are used to detect deflections of the masses on account of the Coriolis forces produced. The oscillating masses are connected to at least one further, non-oscillating mass which can, however, rotate together with the oscillating masses on the substrate about the at least one anchor. A further sensor element is associated with this further mass. | 04-28-2011 |
20110179866 | COMPENSATING FREQUENCY MISMATCH IN GYROSCOPES - Gyroscopes that can compensate frequency mismatch are provided. In this regard, a representative gyroscope, among others, includes a top substrate including an outermost structure, a first driving structure and a first sensing structure. The first driving structure and the first sensing structure are disposed within the outermost structure. The first driving structure and the first sensing structure include a first driving electrode and a first sensing electrode that are disposed on a bottom surface of the first driving structure and first sensing structure, respectively. A portion of the mass on the top surface of the first sensing structure is removed. The gyroscope further includes a bottom substrate that is disposed below the top substrate. The bottom substrate includes a second driving electrode and a second sensing electrode that are disposed on a top surface of the bottom substrate and below the first driving electrode and the first sensing electrode. | 07-28-2011 |
20110265564 | Micromachined piezoelectric x-axis gyroscope - 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 frame, a pair of anchors and a plurality of drive beams. The plurality of drive beams may be disposed on opposing sides of the sense frame and between the pair of anchors. The drive beams may connect the sense frame to the proof mass. The drive beams may be configured to cause torsional oscillations of the proof mass substantially in a first plane of the drive beams. The sense frame may be substantially decoupled from the drive motions of the proof mass. Such devices may be included in a mobile device, such as a mobile display device. | 11-03-2011 |
20110265565 | Micromachined piezoelectric X-axis gyroscope - 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 beams disposed on opposing sides of the central anchor. The drive beams may connect the drive frame to the central anchor. The drive beams may include a piezoelectric layer and may be configured to cause the drive frame to oscillate torsionally in a plane of the drive beams. The gyroscope may also include a proof mass and a plurality of piezoelectric sense beams. At least some components may be formed from plated metal. The drive frame may be disposed within the proof mass. The drive beams may constrain the drive frame to rotate substantially in the plane of the drive beams. Such devices may be included in a mobile device, such as a mobile display device. | 11-03-2011 |
20120144916 | SINGLE GYROSCOPE-BASED APPROACH TO DETERMINING SPATIAL GAIT PARAMETERS - Methods and systems may include a single gyroscope and gait logic to receive angular velocity data from the single gyroscope. The gait logic can also determine a stride length of an individual based on the angular velocity data. In one example, the gait logic integrates the angular velocity data to obtain angular displacement data and determines a stride length based at least in part on the angular displacement data. | 06-14-2012 |
20120160027 | MICRO-ELECTROMECHANICAL SYSTEM DEVICE HAVING ELECTRICAL INSULATING STRUCTURE AND MANUFACTURING METHODS - The disclosure relates to a micro-electromechanical system (MEMS) device having an electrical insulating structure. The MEMS device includes at least one moving part, at least one anchor, at least one spring and an insulating layer. The spring is connected to the anchor and to the moving part. The insulating layer is disposed in the moving part and the anchor. Each of the moving part and the anchor is divided into two conductive portions by the insulating layer. Whereby, the electrical signals of different moving parts are transmitted through the insulated electrical paths which are not electrically connected. | 06-28-2012 |
20120180566 | SENSOR DEVICE - A sensor device includes: a sensor component including a package, connection terminals including first connection terminals on a terminal forming surface of the package and a sensor element housed in the package; a resin part covering the sensor component; and mounting leads including a one-end part coupled to one first connection terminal in the resin part so that a main surface thereof faces a main surface of the one first connection terminal face; an intermediate part extending toward a mounting surface of the sensor device from the one-end part; and another-end part externally exposed from the resin part. The sensor component is tilted or orthogonal relative to the mounting surface. The connection terminals are provided along one of the sides forming an outline of the terminal forming surface, the one side being tilted or orthogonal with respect to the mounting surface. The intermediate part includes an angled part. | 07-19-2012 |
20120227487 | BULK ACOUSTIC WAVE GYROSCOPE WITH SPOKED STRUCTURE - A Coriolis-based bulk acoustic wave gyroscope includes a center-supported resonating element with capacitively-coupled drive, sense, and control electrodes. The resonating element has a first substantially solid or perforated region which is connected to the center-support by a second region characterized by a plurality of spokes or beams. When operating in a resonance state, the first region undergoes a bulk acoustic mode of vibration while the second region undergoes a flexural mode of vibration. Energy losses associated with the flexural mode of vibration reduce the overall quality factor (Q) at high resonance frequencies creating a large bandwidth and a fast response time without needing vacuum. | 09-13-2012 |
20120234093 | MICROELECTROMECHANICAL SYSTEM DEVICE INCLUDING A METAL PROOF MASS AND A PIEZOELECTRIC COMPONENT - This disclosure provides systems, apparatus, and devices and methods of fabrication for electromechanical devices. In one implementation, an apparatus includes a metal proof mass and a piezoelectric component as part of a MEMS device. Such apparatus can be particularly useful for MEMS gyroscope devices. For instance, the metal proof mass, which may have a density several times larger than that of silicon, is capable of reducing the quadrature and bias error in a MEMS gyroscope device, and capable of increasing the sensitivity of the MEMS gyroscope device. | 09-20-2012 |
20130061672 | UNIAXIAL OR BIAXIAL MICROELECTROMECHANICAL GYROSCOPE WITH IMPROVED SENSITIVITY TO ANGULAR VELOCITY DETECTION - An integrated microelectromechanical structure is provided with: a driving mass, anchored to a substrate via elastic anchorage elements and moved in a plane with a driving movement; and a first sensing mass, suspended inside, and coupled to, the driving mass via elastic supporting elements so as to be fixed with respect to the driving mass in the driving movement and to perform a detection movement of rotation out of the plane in response to a first angular velocity; the elastic anchorage elements and the elastic supporting elements cause the detection movement to be decoupled from the driving movement. The elastic supporting elements are coupled to the first sensing mass at an end portion thereof, and the axis of rotation of the detection movement extends, within the first sensing mass, only through the end portion. | 03-14-2013 |
20130192362 | VIBRATION TOLERANT ACCELERATION SENSOR STRUCTURE - A MEMS structure comprises an anchor, a spring, and a seismic mass that is suspended to the anchor via the spring to pivot around an axis of rotation. Errors from unwanted vibration modes are reduced by including in the MEMS structure a spring structure that extends from the seismic mass to the anchor. Said spring structure comprises a side arm that is connected to the seismic mass or the anchor. At least part of the spring structure is formed by a side arm that extends in the spring structure in a direction parallel to the axis of rotation of the seismic mass; and is attached to one end of the spring. | 08-01-2013 |
20130291637 | System and Method For Monitoring Mechanically Coupled Structures - A system for monitoring a mechanically coupled structure with a first sensor configured to determine at predetermined times its orientation relative to Earth's rotation axis as a first measurement. The first sensor is connectable with a first part of the mechanically coupled structure with at least one second sensor which has a known first orientation to the first sensor at startup of the system and which is configured to determine a rotation rate or an acceleration as a second measurement. The at least one second sensor is connectable with a second part of the mechanically coupled structure with a central unit and with a communication network over which the central unit is connected with the first sensor and the second sensor wherein the first sensor is configured to transmit the first measurement to the central unit. The second sensor is configured to transmit the second measurement to the central unit and the central unit is configured to monitor the mechanically coupled structure by means of the first and second measurement. | 11-07-2013 |
20130305823 | GYROSCOPE - The present invention relates to a gyroscope. Particularly, a ring-shaped rotary core in which magnetic bodies and nonmagnetic bodies are alternately arranged is provided to simplify the structure of the gyroscope and reduce the weight of the gyroscope. Also, due to reduced frictional resistance, noise can be minimized, and the speed at which the gyroscope rotates is markedly increased. As necessary, the gyroscope may be disposed within a sealed container to minimize a frictional loss and improve energy efficiency. | 11-21-2013 |
20130312518 | INERTIAL UNIT HAVING VIBRATING GYROS MOUNTED ON A CAROUSEL, AND AN ANGLE-MEASUREMENT METHOD - An inertial unit comprising an inertial core ( | 11-28-2013 |
20140013844 | Terminal Device - A terminal device is described that includes a housing configured to accommodate various components of the terminal device; a first sensing unit configured to collect first status information of the terminal device; a second sensing unit configured to collect second status information of the terminal device; and a processing unit configured to determine a manner that a user holds the terminal device based on the first status information and the second status information. | 01-16-2014 |
20140090468 | TRI-AXIAL MEMS INERTIAL SENSOR - A micro-electromechanical systems (MEMS) inertial sensor includes first, second, and third fixed electrodes, a first translational element to translate along a first direction, first mobile electrodes extending from the first translation element and being interdigitated with the first fixed electrodes to form first sensor assemblies, a second translation element to translate along a second direction, second mobile electrodes extending from the second translation element and being interdigitated with the second fixed electrodes to form second sensor assemblies, and a rotation element to rotate about the second direction, the rotation element having a surface opposite the third fixed electrodes to form third sensor assemblies, wherein the third fixed electrode being displaced from the surface of the rotation element along a third direction. | 04-03-2014 |
20140305204 | USE OF GYROSCOPES IN PERSONAL FITNESS TRACKING DEVICES AND BICYCLING ACTIVITIES - Biometric monitoring devices, including various technologies that may be implemented in such devices, are discussed herein. Additionally, techniques for utilizing gyroscopes in biometric monitoring devices are provided. Such techniques may, in some implementations, involve obtaining swimming metrics regarding stroke cycle count, lap count, and stroke type. Such techniques may also, in some implementations, involve obtaining performance metrics for bicycling activities. | 10-16-2014 |
20160025492 | MEMS Gyroscope for Determining Rotational Movements about an X, Y, and/or Z Axis - The invention relates to a MEMS gyroscope for detecting rotational motions about an x-, y-, and/or z-axis, in particular a 3-D sensor, containing a substrate, several, at least two, preferably four, drive masses ( | 01-28-2016 |
20160076889 | APPARATUS FOR PROVIDING AN AZIMUTH ANGLE - The present invention relates to an apparatus for providing an azimuth angle, i.e., an apparatus for calculating an azimuth angle using an angular rate sensed by a gyro sensor, which has rotated by an arbitrary angle, and an angle of rotation. The apparatus for providing an azimuth angle in accordance with one embodiment of the present invention may comprise a rotating member, an angular rate sensor mounted on the rotating member, and a driving unit configured to rotate the rotating member by a first angle. The angular rate sensor may be configured to sense an angular rate of the rotating member. The apparatus may further comprise an azimuth angle estimation unit configured to estimate an azimuth angle of the apparatus based on the sensed angular rate and the first angle. | 03-17-2016 |
20160097640 | HIGH RATE ROTATION SENSING - One embodiment is directed towards an inertial measurement unit (IMU) for measuring an input rate of rotation about an input axis. The IMU includes a first three dimensional gyroscope disposed such that a first axis of its three axes is oriented at a skew angle in degrees away from a reference plane, wherein the reference plane is normal to the input axis. The IMU also includes one or more processing devices coupled to the first gyroscope. The IMU also includes one or more data storage devices coupled to the one or more processing devices, the one or more data storage devices including instructions which, when executed by the one or more processing devices, cause the one or more processing devices to calculate the input rate of rotation based on dividing a sensed rate of rotation about the first axis by the sine of the skew angle. | 04-07-2016 |
073504090 | Gimbal support | 3 |
20110303007 | MEMS Gyroscope for Detecting Rotational Motions about an X-, Y-, and/or Z-Axis - The invention relates to a MEMS gyroscope for detecting rotational motions about an x-, y-, and/or z-axis, in particular a 3-D sensor, containing a substrate, several, at least two, preferably four, drive masses ( | 12-15-2011 |
20130014584 | TRACKING APPARATUSAANM NAKAMURA; HiroakiAACI Kawasaki-shiAACO JPAAGP NAKAMURA; Hiroaki Kawasaki-shi JP - According to one embodiment, a tracking apparatus includes a spherical body, three or more spherical driving units, a hold unit, a control unit. The three or more spherical driving units are connected to the movable body and kept in contact with portions of the spherical body to move the movable body in a desired direction. The hold unit connects the third gimbal to the movable body, and holds the spherical driving units pressed against the spherical body. The control unit controls the spherical driving units to track the target, using the first to fourth rotation angles. | 01-17-2013 |
20150338216 | ULTRA LOW NOISE DATA ACQUISITION CIRCUIT - An acquisition circuit for a vehicle or other system is provided. The system, for example, may include, but is not limited to a control moment gyroscope, and a fully differential ground isolated acquisition circuit communicatively connected to the control moment gyroscope and configured to acquire a differential data signal on the control moment gyroscope and output the differential data signal to at least one output node. The acquisition circuit may include, but is not limited to a ground reference correction circuit configured to recenter the differential data signal on at least one output node, and at least one ultra-high impedance output circuit coupled between the ground reference correction circuit and the input differential circuit. | 11-26-2015 |
073504110 | Flexible rotor or flexibly mounted rotor | 1 |
20130319114 | ANGULAR VELOCITY SENSOR - Disclosed herein is an angular velocity sensor. The angular velocity sensor according to an embodiment of the present invention is configured to include a mass body, a first frame disposed at an outer side of the mass body so as to be spaced apart from the mass body, a first flexible part connecting the mass body to the first frame in an X-axis direction, a second flexible part connecting the mass body with the first frame in a Y-axis direction, a second frame disposed at an outer side of the first frame so as to be spaced apart from the first frame, a third flexible part connecting the first frame with the second frame in an X-axis direction, and a fourth flexible part connecting the first frame with the second frame in a Y-axis direction. | 12-05-2013 |