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| Number | Title | Issue Date |
| 7363814 | Multi-axial angular velocity sensor An angular velocity sensor for detecting angular velocity about a Z-axis in an XYZ coordinate system has a substrate oscillator, a flexible member for connecting the oscillator to a casing, a device for oscillating the oscillator in an X-axis direction, and a detect... | 04/29/2008 |
| 7360455 | Force detector and acceleration detector and method of manufacturing the same An electrode layer is formed on the upper surface of a first substrate, and a processing for partially removing the substrate is carried out in order to allow the substrate to have flexibility. To the lower surface of the first substrate, a second substrate is conne... | 04/22/2008 |
| 7347097 | Servo compensating accelerometer A servo compensating accelerometer includes a top housing half and a bottom housing half rigidly connected together, and each having coaxial threaded openings. A sensing element is positioned between the top and bottom halves and affixed to the bottom half. Top and ... | 03/25/2008 |
| 7328616 | Digital angular velocity detection device A digital angular velocity detection device, including a stat or formed on a substrate. A rotor operable to rotate in response to an external force is provided. The rotor has a plurality of electrodes formed at regular intervals on a curve at a predetermined radius ... | 02/12/2008 |
| 7231802 | Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing the apparatus A sensor comprises a semiconductor pellet (10) including a working portion (11) adapted to undergo action of a force, a fixed portion (13) fixed on the sensor body, and a flexible portion (13) having flexibility formed therebetween, a wor... | 06/19/2007 |
| 7219561 | Force-detecting device Forces and moments are detected in a distinguishing manner by a simple structure. A supporting member (20) is positioned below a force receiving member (10), which receives forces to be detected, and between these components, four columnar force transm... | 05/22/2007 |
| 7152485 | Acceleration detector An electrode layer is formed on the upper surface of a first substrate, and a processing for partially removing the substrate is carried out in order to allow the substrate to have flexibility. To the lower surface of the first substrate, a second substrate is conne... | 12/26/2006 |
| 7123028 | Force detector The invention provides a force detector in which power consumption is suppressed. Four electrodes E11 through E14 are formed on a substrate, and an elastic deformable body formed of a rubber film is disposed thereon. A conductive coating is applied on ... | 10/17/2006 |
| 7121147 | Force detection device Forces and moments are detected in a distinguishing manner by a simple structure. A supporting member (20) is positioned below a force receiving member (10), which receives forces to be detected, and between these components, at least two columnar forc... | 10/17/2006 |
| 7075527 | Input device of rotational operation quantity and operating device using this An efficient rotational-operation-quantity input device suitable to be built into a small electrical appliance is provided. An operational force applied by an operator is input in time series as a coordinate value (x, y) in an XY two-dimensional rectangular coordina... | 07/11/2006 |
| 7059188 | Angular velocity sensor A flexible substrate (110) having flexibility and a fixed substrate (120) disposed so as to oppose it are supported at their peripheral portions by a sensor casing (140). An oscillator (130) is fixed on the lower surface of the flexible s... | 06/13/2006 |
| 6941810 | Angular velocity sensor An angular velocity sensor for detecting an angular velocity component includes an oscillator having mass, a sensor casing for accommodating the oscillator therewithin, a flexible member for connecting the oscillator to the sensor casing so that the oscillator can b... | 09/13/2005 |
| 6920788 | Acceleration sensor An acceleration sensor in a connecting portion connects a displacing section to a fixed section and a weight is connected to the displacing section from below. A pedestal is disposed adjacent to the weight and is connected to the fixed section by a pedestal joint la... | 07/26/2005 |
| 6915584 | Compass with electromagnetic half-shell transformer energy transmission and optoelectronic data signal transmission The invention concerns a compass having an electro magnetic half-shell transformer energy transmission and opto electronic data transmission. To avoid a slipring connection during the transfer of supply voltage at least one winding on the primary half-shell is conne... | 07/12/2005 |
| 6915709 | Force detection device Forces and moments are detected in a distinguishing manner by a simple structure. A supporting member (20) is positioned below a force receiving member (10), which receives forces to be detected, and between these components, at least two columnar forc... | 07/12/2005 |
| 6810737 | Resonant element and vibration adjusting method therefor A resonant element including: a vibrating body vibratable in orthogonal X- and Z-directions; exciting means for causing the vibrating body to be subjected to an excitation vibration in the X-direction; excitation deflection detecting means for detecting the deflecti... | 11/02/2004 |
| 6715352 | Method of designing a flexure system for tuning the modal response of a decoupled micromachined gyroscope and a gyroscoped designed according to the method For a decoupled to gyro to have high sensitivity to angular rate, it is necessary to have the design flexibility to achieve all the critical frequencies in the design. The geometry of the gyro is first estimated and is followed by a performance analysis to maximize ... | 04/06/2004 |
| 6626039 | Electrically decoupled silicon gyroscope An oscillatory gyroscope is described with decoupled drive and sense oscillators and reduced cross-axis sensitivity. The gyroscope is fabricated using a plasma micromachining process on standard silicon wafers. The electrical isolation of the drive and se... | 09/30/2003 |
| 6561028 | Mechanical resonator for a rotation sensor Resonator which can be produced by micromachining and has a mass part (DF1, DF2, V1, V2) which is fixed by means of a resilient suspension (FA) to an anchoring point (AN) in such a way that it can perform rotary oscillations in its plane, in which, in the... | 05/13/2003 |
| 6205856 | Angular velocity sensor An angular velocity sensor for detecting angular velocity components about three axes with high response is provided. A weight body carries out a circular movement along a circular orbit within the XY-plane with the origin being as a center. The weight bo... | 03/27/2001 |
| 5668318 | Angular velocity sensor An angular velocity sensor for detecting angular velocity components about three axes with high response is provided. A weight body carries out a circular movement along a circular orbit within the XY-plane with the origin being as a center. The weight bo... | 09/16/1997 |
| 5561246 | Biaxial rate gyro comprising elastic joint parts A two-axis rate gyro has two articulation elements arranged sequentially. The first articulation element is connected with a drive shaft of the rate gyro and the second articulation element is connected with a gyro rotor. The two articulation elements are... | 10/01/1996 |
| 4715227 | Multisensor assembly with angular rate piezoelectric crystal beam In a multisensor assembly for detecting angular rates and linear accelerations, a diamond-shaped piezoelectric crystal beam is used to restrain a gyroscopic element to a base of the multisensor assembly. The diamond-shaped piezoelectric crystal is fixed t... | 12/29/1987 |
| 4703654 | Liquid bearing two degree of freedom inertial sensor apparatus Liquid bearing two degree of freedom inertial sensor apparatus is disclosed. A single liquid bearing sensor is configured in a two degree of freedom rate gyro mode, or two of the liquid bearing sensors are made pendulous along their spin axes and configur... | 11/03/1987 |
| 4621529 | Multi-sensor pickoff assembly A navigation sensor, including a gyroscopic element, which has a spin axis, and which has flexure hinge for resiliently mounting the element on a base, and a torque sensing assembly, which has a first piezoelectric beam that is mounted in coaxial relation... | 11/11/1986 |
| 4601205 | Linear acceleration compensation for multisensor An angular velocity sensing device having a pair of bendable piezoelectric crystal members encounters undesirable effects due to linear acceleration. To buck out the sensing device signal component representing this effect, a compensating device having it... | 07/22/1986 |
| 4566327 | System and technique for bandwidth improvement in multifunction sensors A system and technique is disclosed for providing a low-cost, two-axis rate and acceleration transducer assembly which has improved bandwidth for providing outputs of acceleration while reducing ripple. The system includes a sensor structure utilizing pie... | 01/28/1986 |
| 4520669 | Cross-axis acceleration compensation for angular rate sensing apparatus A low-cost, two-axis rate and acceleration sensor utilizing piezoelectric generator elements affixed to the rotating housing of an inside-out synchronous motor. Signals generated by the piezoelectric bender elements are amplified, compensated, balanced, a... | 06/04/1985 |
| 4498340 | Damping mechanism for gyroscopes A damping mechanism for a two-degree-of-freedom rate gyroscope of the flexible disk type includes a pair of auxiliary disks, one mounted closely adjacent each side of the rotor disk to provide squeeze film type damping of any axial vibrations of the rotor... | 02/12/1985 |
| 4462254 | Sensor assembly having means for cancellation of harmonic induced bias from a two-axis linear accelerometer A low-cost, two-axis acceleration sensor utilizing piezoelectric generator elements affixed to the rotating housing of an inside-out synchronous motor. Signals generated by the piezoelectric bender elements are amplified, compensated, balanced, and conver... | 07/31/1984 |
| 4457173 | Multifunction sensor using thin film transistor transducers A multifunction sensor provides two axes of angular rate and two axes of ear acceleration information from a single instrument. The multifunction sensor utilizes an air bearing rotor to support the spinning transducers. Angular rate measurements are made... | 07/03/1984 |
| 4444053 | Sensor assembly for strapped-down attitude and heading reference system A low-cost two-axis rate and acceleration sensor utilizing piezoelectric generator elements affixed to the rotating housing of an inside-out synchronous motor. Signals generated by the piezoelectric bender elements are amplifier, compensated, balanced, an... | 04/24/1984 |
| 4431935 | Sensor structure incorporating multiple piezoelectric generators Sensor structure integrates multiple piezoelectric bender elements into a single piezoelectric unit. A single base member comprising a plurality of plates of piezoelectric material includes three or more electrodes for forming two or more bender elements.... | 02/14/1984 |
| 4397185 | Inertial instrument with cup-shaped inertial mass An inertial instruments uses a suspension structure that is exterior to and surrounds a cup shaped inertial mass which carries torquing magnets within the cup. Torquer coils are also located within the cup. In a preferred embodiment, axially magnetized di... | 08/09/1983 |
| 4386535 | Resonator restrained gyro A gyro includes a rotatable hub with a flexing member centrally supporting a rotor. The rotor is further supported by a pair of piezoelectric force transducers angularly separated by 90 degrees. The rotor turns with the hub. Oscillators drive the transduc... | 06/07/1983 |
| 4355541 | Magnetic gyroscope A magnetic gyroscope includes a flexible rotating disk having a plurality of magnetic regions formed in or on the periphery of the disk. Typically four pairs of magnetic sensors are disposed about the disk at 90° angles with respect to each other to dete... | 10/26/1982 |
| 4326428 | Two degree of freedom rate gyroscope A rate gyroscope having a spinning mass coupled to a rotor through a pair of orthogonally disposed flexible, diametrically extending suspension arms. The spinning mass is adapted to pivot about the arms in response to a pair of orthogonal angular rates be... | 04/27/1982 |
| 4316389 | Rate of turn indicator Rate of turn indicator for a nautical vessel, aircraft, and the like indicating the rate of turn or swing in units such as degrees per unit of time from a particular course of travel. The indicator includes a magnetic gyro wheel including a flexible hub r... | 02/23/1982 |
| 4299127 | Flexible hub magnetic gyro wheel Flexible-hub magnetic gyro wheel including a ring member comprising ferromagnetic material or the like and including a plurality of alternating magnetic poles circumferentially spaced about the ring member, a flexible hub affixed to the interior of the ri... | 11/10/1981 |
| 4297883 | Rate of turn indicator Rate of turn indicator for a nautical vessel, aircraft, and the like indicating the rate of turn or swing in units such as degrees per unit of time from a particular course of travel. The indicator includes a magnetic gyro wheel including a flexible hub r... | 11/03/1981 |
