A point calculation device uses vibration sensor data to determine vehicle shaking during voyages.
Symmetrical moving assemblies coupled mechanically cancel parasitic effects and drift while maintaining measurement precision on a single silicon wafer.
An acceleration sensor corrects systematic errors by deflecting its seismic mass with applied voltage and measuring resulting electrode currents.
A servo compensating accelerometer uses dual housing halves and magnetic systems to tune zero bias drift via threaded adjustments.
Switch network decouples MEMS capacitors for self-testing, eliminating dedicated test components and reducing device complexity.
A rigid plastic clip secures an inertial measurement unit over the shoe collar to capture precise vertical acceleration data.
Implantable medical devices detect MRI proximity using acceleration patterns and electromagnetic induction to switch operational modes.
Electrostatic quadrature cancellation electrodes remove measurement errors without increasing CMOS area or device complexity.
A single MEMS device detects linear and angular acceleration using a shared proof mass and elastic tethers.
A physical quantity measurement sensor holding member incorporates a groove to contain excess bonding material.
Optimized electrode angles in acceleration sensors reduce cross-axis sensitivity by aligning movable and fixed electrodes to specific geometric orientations.
A centrally supported piezoelectric accelerometer generates electrical signals responsive to fluid particle accelerations.
Digital signal processing eliminates non-linearity in digital-analog converters by applying positive and negative polarization phases to fixed electrodes.
Aligns sensor readings with actual vehicle motion to resolve distortion caused by improper mounting and external factors.
An adjustment film on drive vibrating arms tunes out-of-plane frequency independently, resolving sensitivity loss from coupled in-plane adjustments.
Gain control of the amplitude loop varies as a monotonic function of internal resonator temperature to provide accurate analog compensation.
A Casimir force accelerometer uses piezoelectric plates to detect acceleration through quantum vacuum fluctuations between conductive surfaces.
Segmented comb and plate capacitor structures cancel working point dependency, reducing vibration sensitivity.
A MEMS accelerometer uses multiple sense electrodes to detect substrate deformation patterns and compensate for offset errors.
Segmenting large MEMS components into arrays allows cavity sealing with interlayer dielectrics, resolving manufacturing complexity while maintaining accuracy.
A signal processing filter in the feedback loop prevents disruptive oscillations from additional resonance modes while maintaining high amplification.
Decoupling a movable element from the substrate eliminates galvanic connections, reducing fabrication complexity and costs for high-G acceleration measurement.
A deformable member module translates acceleration forces into variable contact areas on touch screens.
Antiparallel collinear drive vibration shifts spurious modes to higher frequencies, reducing false signals from superimposed vibration.
Segmented beams disperse stress to prevent breakage under strong impacts while enabling high-precision etching for accurate formation.
A MEMS rotation sensor uses bulk micromachined proof masses anchored via flexures to detect rotational acceleration.
A hybrid integrated component merges a micromechanical sensor with an application-specific integrated circuit to enable capacitive signal detection.
A spring-loaded stop absorbs impact energy from a seismic mass to prevent mechanical damage and adhesion without increasing device complexity.
Nesting a magnet inside a cantilever opening concentrates magnetic flux through a coil, resolving the trade-off between device size and conversion efficiency.
A time domain switched inertial sensor measures force via harmonic oscillation intervals.
Opposing cap stops balance electrostatic forces on the seismic mass, preventing measurement distortion from uneven interactions.
A MEMS acceleration sensor uses a variable overlapping area capacitor to convert mechanical motion into electrical signals.
Perpendicular and parallel chip placement decouples sensing mechanisms, reducing signal interference and improving heat dissipation for accurate detection.
Mechanical rotation of an angular rate sensor enables accurate azimuth measurement in stationary positions without magnetic interference or GPS dependency.
Opposite polarity charge pulses applied during a single cycle generate error signals directly, eliminating sample and hold circuits that cause wear.
A physical quantity sensor uses a correction processor to stabilize detection values against environmental shifts.
Personalized angle thresholds derived from individual gait patterns eliminate false warnings caused by fixed universal balance limits.
Phase delaying means compensate parasitic capacitance in a MEMS gyro, stabilizing self-oscillation and improving detection sensitivity.
Segmenting the battery into an external case prevents heat transfer from the power source, eliminating thermal gradients that degrade detection capability.
A segmented drumstick shaft features multiple sound initiating elements that simultaneously activate percussion surfaces to generate diverse chords.
A processing system converts accelerometer data into a vehicle frame of reference using orthogonal gravity vectors derived from acceleration records.
An adhesive member bonds a sensor device and substrate to a case member, creating a continuous structural connection across the outer periphery.
Micro opto electromechanical rotation rate sensor uses adaptive control loops to adjust excitation rates and electronic gains for optimal signal output.
Adjustable clock frequency calibrates resolution while stopping generation during stable periods, reducing power dissipation in sensing systems.
Control circuitry applies groundwards force via propulsion systems to counteract upward acceleration from explosions, reducing occupant injury risk.
A capacitive transducer system uses a single amplifier to convert differential signals while neutralizing feedthrough capacitances.
Sequential axis merging reduces circuit complexity and noise components while maintaining measurement precision in portable physical quantity instruments.
Asymmetric elastic beams suspend the mass block, preventing swinging movements and reducing axis coupling to improve detection accuracy.
Kalman filter modules fuse inertial and non-inertial sensor data to estimate machine joint angles, compensating for GPS signal unavailability.