Acceleration Measurement Using Interia Forces TRIZ Cases

Deep reactive-ion etching forms a topside boss on the diaphragm, reducing mass and improving alignment with circuit elements.

A sensor unit joins an inertial sensor module to an outer case using a ring-shaped joining member with lower elastic modulus.

Capacitance-based feedback control compensates for manufacturing asymmetries and non-linearities to improve acceleration measurement precision.

Segmenting the seismic mass allows high-frequency vibration of a mobile sub-component, shifting measurement away from 1/f noise regions to improve resolution.

Segmented capacitive sensing isolates acceleration signals, removing spurious components caused by temperature drift and aging effects.

A wireless audio device extends a spring-loaded arm during freefall to control impact orientation.

Cross-axis prediction allows the range setting unit to pre-adjust detection ranges, resolving tracking delays and improving accuracy during rapid motion.

Physical quantity sensor with symmetrical electrode fingers and stopper structure.

Server maps omnidirectional images to relative location data, resolving the absence of GPS signals for accurate indoor positioning.

A double-ended tuning fork structure in MEMS accelerometers cancels thermal expansion errors to improve acceleration measurement accuracy.

A hubodometer uses orbiting sensors to detect pendulous assembly rotation and electric actuators to apply countervailing force.

Segmenting the sensing function into two asymmetric masses cancels common-mode substrate stress errors and reduces Brownian noise for higher precision.

Optimized mass distribution enhances sensitivity and impact resistance in physical quantity detection elements by increasing torque and rigidity.

A mechanical suspension system with compliant dampers and metal springs isolates motion sensors from package strain.

Convex base walls on a speed pick-up ring maintain consistent air gaps, eliminating voltage fluctuations caused by noise in variable reluctance sensors.

Electromagnetic induction powers an accelerometer to measure piston acceleration, providing real-time maintenance data without external batteries.

A calibration method uses global positioning system data to determine real-time temperature drift values for inertial measurement units.

A single proof mass MEMS accelerometer design uses mirrored comb capacitors to measure orthogonal acceleration axes.

Variable moment inertia modulation linearizes the response of a torsional oscillator MEMS accelerometer, reducing noise and scale factor errors.

Parallel dual-sensor trajectories with opposite phase signs eliminate additive measurement bias, improving inertial navigation accuracy and reliability.

Adaptive filter subtracts body motion artifacts from pulse wave signals using triaxial acceleration data.

A low-power processor detects motion patterns to adjust geomagnetic sensor sample rates for calibration.

Adjusting elastic element geometry between the proof mass and anchors in microelectromechanical structures to reduce displacement.

Interleaved movable and fixed fingers in a centrally anchored structure mechanically isolate the sensing element from thermal stress.

Pre-marked indicia on tri-axial accelerometers map orthogonal axes to device directions, resolving orientation identification errors during installation.

A passive micromechanical counter stores mechanical pulses using a latching mechanism and electromechanical coding unit.

A pressure-compensated housing filled with incompressible fluid supports an optical fiber beam to detect acceleration.

A two-layer isolator with mechanical beams and an active heater reduces thermal stress and sensitivity in disc resonator gyroscopes.

A yaw rate sensor uses a movable counterelectrode synchronized with the Coriolis element to eliminate interference signals.

Torsion spring thickness reduction lowers spring constant, improving sensitivity without increasing chip size or manufacturing cost.

Eccentrically disposed acceleration sensors in adjacent modules reduce positional variation errors to enhance detection accuracy.

Antiparallel collinear drive vibration shifts spurious modes to higher frequencies, suppressing false signals and ensuring accurate yaw rate measurement.

Inductively charged wireless monitor detects flow issues without moisture-sensitive wiring.

An inertial sensor replaces wire-bonded electrical connections with electromagnetic induction to reduce space occupation and improve reliability.

Cap section pad arrangement reduces wire length and parasitic capacitance, suppressing offset voltage increase and noise influence.

Buoyant housing isolates the proof mass from mounting noise while shear-mode sensing improves detection range in high-pressure environments.

A lace adjuster assembly integrates a feedback system to measure athletic performance data and capture images.

A fiber-optic acceleration sensor employs a lever arm and disturbance compensation element to decouple temperature interference from measurement signals.

Discrete conductive branches minimize mechanical damping and subharmonics in vibratory angular parameter sensors.

An automated controller corrects orientation deviations detected by sensors, maintaining uniform light output despite environmental disturbances.

A gas-liquid separator uses sensor-driven outlet selection to manage fluid phases across varying orientations.

Processor generates synthetic accelerometer signals from gyroscope data to maintain orientation accuracy when inertial sensor axes fail.

Switching spring constants via mechanical stops resolves complexity trade-offs in single-chip acceleration sensors.

Electronic calibration using an IMU replaces expensive mechanical fixtures to align the magnetic source reference frame.

Damping adjustment holes in inspection electrodes reduce Brownian noise while enabling self-inspection of the movable body.

Elastic limit stops absorb shock energy to prevent sticking while maintaining compact sensor dimensions.

A capacitive accelerometer uses a shared mass and orthogonal elastic members to detect acceleration along multiple axes.

Anti-phase fixed capacitor electrodes cancel thermal expansion effects, reducing bias and scale factor shifts by a factor of ten.

T-shaped through-wiring in a glass substrate enables multi-directional signal extraction, resolving the restriction on sensor placement freedom.