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Matches 1 - 50 out of 2,568

Document Document Title
WO/2013/052953A1
Methods, structures, devices and systems are disclosed for implementing optomechanical sensors in various configurations by using two optically coupled optical resonators or cavities that can be move or deform relative to each other. The...  
WO/2012/149256A2
Techniques are provided for reducing mount vibration in an inertial rate sensor (IRS). For example, if oscillation in an IRS's vibratory members, vibrating along a first axis, cause displacement in the IRS's mount along a second axis, th...  
WO/2011/121863A1
Disclosed is a piezoelectric thin-film element which comprises a substrate and, disposed thereon, at least a lower electrode, a piezoelectric thin film represented by the general formula (NaxKyLiz)NbO3 (0≤x≤1, 0≤y≤1, 0≤z≤0.2,...  
WO/2011/111732A1
Disclosed is a manufacturing method for a sensor element equipped with a PZT film, that forms a good quality, and substantially homogenous PZT film. The method forms a lower electrode E0 on a surface of one side of an SOI substrate 31 ha...  
WO/2011/085494A3
Analysis of a swing of a game device such as a golf club is carried out by a first component shaped and arranged to be attached to the club by sliding a slot portion along the tapered shaft to a friction fit at a wider position. The comp...  
WO/2011/085501A1
A head mounted information system comprises a frame configured to be worn by a user, a sensor unit coupled to the frame, and a processor unit coupled to the frame. The processor unit is connected to receive signals from the sensor unit. ...  
WO/2011/056908A2
A disclosed gyroscope or accelerometer apparatus is integrated into an integrated circuit chip. The apparatus has phase locked loops (PLLs) (210, 212) formed on a substrate that generate a signal having a wavelength that is less than 10m...  
WO/2011/056908A3
A disclosed gyroscope or accelerometer apparatus is integrated into an integrated circuit chip. The apparatus has phase locked loops (PLLs) (210, 212) formed on a substrate that generate a signal having a wavelength that is less than 10m...  
WO/2011/052128A1
Disclosed is an electronic device provided with a frequency-varying circuit, a filter, and an output voltage determination circuit. The frequency-varying circuit changes the sampling frequency of an A/D converter. The filter limits the f...  
WO/2011/045897A1
Provided is a lead-free piezoelectric thin film, which comprises a lead-free ferroelectric material and has low dielectric loss, a high electromechanical coupling coefficient, and a similarly high piezoelectric constant as lead zirconate...  
WO/2011/021068A1
An apparatus and method comprising of a remote microphone attached to a portable radio such as those carried by Firefighters and other First Responders and equipped with automatic motion sensing and Emergency Alert capabilities which bec...  
WO/2010/122707A1
Provided is a piezoelectric thin film that contains a lead-free ferroelectric material and has high piezoelectric performance comparable to lead zirconate titanate (PZT). Also provided is a manufacturing method for said piezoelectric thi...  
WO/2010/095412A1
An inertial force sensor (16) is provided with a detecting element (1), a supporting body (112) which has flexibility, supports the detecting element (1) and has a board-like shape, and a housing body (11) which houses the detecting elem...  
WO/2010/092629A1
A physical quantity sensor system (11) drives a physical quantity sensor (10), and detects a physical quantity signal (Dphy) from a sensor signal (Ssnc). Analog/digital conversion circuits (102m, 102s) convert a monitor signal (Smnt) and...  
WO/2010/093557A3
A technique includes receiving data indicative of a first measurement acquired by a rotation sensor on a seismic streamer and based on the first measurement, estimating a torque noise present in a measurement acquired by a second sensor ...  
WO/2010/093557A2
A technique includes receiving data indicative of a first measurement acquired by a rotation sensor on a seismic streamer and based on the first measurement, estimating a torque noise present in a measurement acquired by a second sensor ...  
WO/2010/084531A1
Disclosed is an amplitude detection circuit (101) that detects the amplitude value (D101) of a monitor signal (Smnt) in response to self-excited oscillation of a physical quantity sensor (10). A wave shaping circuit (102) converts the mo...  
WO/2010/064562A1
Provided is a low-cost angular velocity detection device which can reduce the effect of coupling between a drive electrode and a first displacement detection electrode caused by a floating capacity. An oscillating body (21) can be displ...  
WO/2010/050393A1
Failures can be detected with high accuracy even the ambient temperature changes or background vibration is applied. An angular velocity sensor is composed of: a vibrator which is elastically and displaceably supported on a substrate; a ...  
WO/2009/157362A1
Disclosed is a biaxial angular velocity sensor having good detection sensitivity and making it possible to stably fix an oscillator. The biaxial angular velocity sensor comprises an oscillator (3) made of a nonpiezoelectric material, a d...  
WO/2009/141856A1
An oscillation circuit (102a) generates oscillation clocks (CK0, CK1,…,CKn-1) containing a plurality of delay elements connected in a ring state and with different respective phases. An oscillation control circuit (102b) controls each ...  
WO/2009/128188A1
A physical quantity detection circuit (12) is used in a physical quantity sensor (10) for outputting a sensor signal in accordance with a physical quantity provided from outside. In the physical quantity detection circuit (12), an analog...  
WO/2009/122636A1
A physical quantity detection circuit (12) is used for a physical quantity sensor (10) that outputs a sensor signal in response to a physical quantity given from the outside. A phase adjustment circuit (100) is provided with a reference ...  
WO/2009/087858A1
The surface of a substrate (2) is equipped with drive mass portions (4 to 7) at positions of point symmetry with respect to a center point (O). The drive mass portions (4 to 7) connect a connecting beam (8) mutually thereto. The connecti...  
WO/2009/061747A1
A sensor that measures angular velocity about an axis that is normal to a sensing plane of the sensor. The sensor comprises a sensing subassembly that includes a planar frame parallel to the sensing plane, a first proof mass disposed in ...  
WO/2009/050813A1
Provided is an electrostatic capacity detection device which outputs an electric signal in accordance with an electrostatic capacity accompanying an object to be measured. The device includes: a measurement terminal to be arranged in con...  
WO/2009/035369A1
The invention relates to instrument engineering and can be used in orientation and navigation systems for measuring the velocity of the uniform and rectilinear motion of an object, for example an aircraft or a submarine etc, in relation ...  
WO/2009/031285A1
An inertia force sensor is provided with a vibrating type angular velocity detecting element (32); an IC (34) for processing an output signal outputted from the angular velocity detecting element (32); a capacitor (36) for signal process...  
WO/2009/028594A1
An angular velocity signal detection circuit includes: a first current/voltage conversion circuit (11) which converts current outputted from a first detection electrode (21) of a gyro sensor (2) into voltage and amplifies it so as to out...  
WO/2009/001830A1
A mechanical quantity sensor comprises a first structure having a fixed section having an opening, a movable section disposed in the opening and movable with respect to the fixed section, and a connection section for connecting the fixed...  
WO/2008/149821A1
Provided is a small and low-height sensor device. The sensor device is provided with a base body (1); a mounting body (3), which is arranged by being at least partially spaced apart from the base body (1) and can be displaced with respec...  
WO/2008/126409A1
An acceleration sensor is provided with a main substrate having a spindle section, and a facing substrate, which is placed over the main substrate through a protruding section and faces the spindle section of the main substrate through a...  
WO/2008/117891A1
A crystal oscillator piece in which generation of leakage oscillation is suppressed, and its manufacturing method. The method for manufacturing a crystal oscillator piece comprises a step for forming a first etching mask on the surface o...  
WO/2008/111291A1
An acceleration sensor having a fixed section adapted to be fixed to an object to be detected, a flexible section connected to the fixed section, a weight section connected to the fixed section via the flexible section, a first facing el...  
WO/2008/102537A1
A composite sensor includes a flexible body having fixation sections to which weight sections are connected via flexible sections, facing electrodes arranged on the surfaces of the weight sections, and sensing electrodes arranged on the ...  
WO/2008/096528A1
A signal separation circuit for an angular velocity sensor having a first sensing section, a second sensing section, and a third sensing section, which are placed on two second arms, connected to a detection circuit section that detects ...  
WO/2008/079930A1
Operation of a planar resonator gyroscope with in-plane parasitic modes of vibration to obtain improved performance is disclosed. A planar resonator gyroscope, such as a disc resonator gyroscope, may be operated with embedded electrodes....  
WO/2008/051677A3
Angular rate sensor for detecting rotation about first and second mutually perpendicular axes which has first and second masses coupled together for torsional drive mode oscillation of equal amplitude and opposite phase about third axes ...  
WO/2008/021534A1
A dual-axis tuning fork gyroscope includes four open-ended tuning forks arranged coplanarly in two opposite pairs, a first pair of open-ended tuning forks being arranged opposite one another along a first axis, a second pair of open-ende...  
WO/2008/010337A1
A tuning fork-shaped vibrator small-sized, having a reduced height, and capable of being used as a vibration gyro having excellent detection sensitivity, and a vibration gyro using the tuning fork-shaped vibrator. The tuning fork-shaped ...  
WO/2008/010336A1
A tuning fork-type vibrator small-sized and capable of being used as a vibration gyro having excellent detection sensitivity, and a vibration gyro using the tuning fork-shaped vibrator. The tuning fork-type vibrator (10) includes a vibra...  
WO/2007/125612A1
A small-sized vibration gyro that can be vibrated at an original vibration mode by confining torsional vibration of a vibrator when rotational angular velocity is detected. The vibration gyro (10) includes a tuning fork-type vibrator (12...  
WO/2007/120158A1
A cup or bell shaped angular rate sensor electrode has drive or sense electrodes repositioned from their typical location at the nodes. One pair of electrodes, residing on opposite sides of the cup, is uniformly displaced in one directio...  
WO/2007/105211A3
The present invention discloses an improved planar, dual-axis, resonator gyroscope with mechanical coupling of adjacent vibrating members. The primary-mode flexible hinges include a tangential torsion element that largely decouples the o...  
WO2006132773B1
Rate sensor comprising two generally planar proof masses, means for driving the masses to oscillate in phase opposition about parallel drive axes in the planes of the masses, an input axis perpendicular to the drive axes, sense axes perp...  
WO/2007/094448A1
A physical quantity sensor includes a sensor element for converting a physical quantity applied from outside into an electric signal, a detection circuit for amplifying and detecting an output signal of the sensor element, and an adjusti...  
WO/2007/086849A1
A method of operating an anti-phase six degree-of-freedom tuning fork gyroscope system comprises the steps of driving a first three degree-of-freedom gyroscope subsystem, and driving a second three degree-of freedom gyroscope subsystem i...  
WO/2007/074726A1
An angular speed sensor includes a vibrator that vibrates, first and second differential circuits that output respective first and second differential signals, and a synchronous detection circuit that synchronously detects the first and ...  
WO/2007/021505A3
A system (20) for measuring speed of a high-speed motor (22) using a moving average filter (120). A position sensor (24) generates a rotor position signal. A signal processing module (26) determines a rotor angle from the rotor position ...  
WO/2006/138392A3
A tuning fork gyroscope design where at least one proof mass is supported above a substrate. At least one drive electrode is also supported above the substrate adjacent the proof mass. Typically, the proof mass and the drive electrode in...  

Matches 1 - 50 out of 2,568