Acceleration Measurement Using Interia Forces TRIZ Cases

Extending the light-end motion stop compensates for unequal section lengths, resolving asymmetric response and mechanical breakage in Z-axis sensors.

A 2-DOF drive mode gyroscope decouples operational frequency from sense resonance peaks.

A servo voltage generates electrostatic force to cancel capacitance changes in an inertia sensor.

Shared CMOS dielectric and conductive layers form capacitive transducer plates, resolving fabrication complexity while enhancing signal conversion efficiency.

L-shaped beam parts with protruding and receiving recessed portions constrain horizontal weight movement in semiconductor acceleration sensors.

Folded transducer flaps translate acceleration into strain for a fiber laser sensor, eliminating bulky preamplifiers and electronic telemetry.

Continuous nacelle vibration analysis determines rotor imbalance without stopping energy production or modifying turbine settings.

Recessed lateral surface zones block off-axis force transmission, maintaining high average sensitivity while limiting local pressure on the resonator.

Capacitive transducers function as sensors and actuators to move sensor masses, reducing aircraft motion noise in gravity gradient measurements.

Multi-sensor fusion detects user presence to transition device power states, resolving interaction distance constraints.

Polarity anti-symmetry in MEMS sensing elements rejects offset errors from tilt and curvature, improving measurement precision.

Correlating acceleration, magnetic, and force data eliminates external calibration needs while resolving axis skewing errors.

A low-power accelerometer uses proof-masses and conductive stops to generate binary signals without active sensing.

A multi-dimensional pointing device calculates attitude using magnetic field data from a magnetometer alongside acceleration signals from two accelerometers.

Signal processing apparatus extracts dynamic and static acceleration components from detection signals.

Relocating metal tracks from compliant legs to a rigid support reduces quadrature bias variation over temperature.

Replacing hydraulic pressure assumptions, the system uses direct mechanical sensing to improve measurement accuracy while lowering device complexity.

A wearable band transmits pulse data wirelessly to a cellular telephone for biometric monitoring.

A resonant sensor embeds a tensile strain in its acceleration detecting resonator to vibrate perpendicular to the spring direction.

A dynamic offset correction process calibrates 3-axis accelerometer biases using gravity measurements without requiring device orientation.

Radially outward reference structure balances electrostatic forces to reduce parasitic capacitance and improve z-axis measurement accuracy.

A beam with a width-direction protrusion concentrates stress on piezoresistors to enhance detection sensitivity.

A terminal structure uses a barrier layer to prevent material diffusion during production.

Angle element coupling maintains antiparallel mass motion without complex adjustments, ensuring accurate Coriolis force measurement.

Pre-release deposition coats MEMS beams with passivation material, eliminating slow post-release Atomic Layer Deposition and reducing particle formation.

A piezoelectric acceleration sensor uses a metallic sheet supported by a circuit board base to hold the sensing element.

Detects body motion sensor position shifts by comparing walk signals to a reference waveform, resolving accuracy loss from aging-related gait changes.

Segmenting the movable electrode from the structural dome resolves the contradiction between ease of manufacture and measurement precision.

Matter-wave gyrometer on an atomic chip splits and recombines ultracold atom clouds using conductive wires to detect phase shifts.

A capacitive sensor uses an auxiliary electrode with variable facing area to detect displacement direction and improve measurement precision.

Evaluation circuit compensates surface charges in field effect transistors with displaceable gate structures to enhance measurement signal quality.

Epitaxial growth replaces ion implantation to lower noise and thermal budgets while improving sensitivity in MEMS accelerometers.

An octagonal insulating spacer layer stabilizes the resonant frequency of a vibrating MEMS sensor structure.

Dual-sided MEMS mounting on an ASIC substrate doubles functional capacity within the same footprint, resolving poor surface usage efficiency.

Etched substrate cavities form a monolithic seismic mass that reduces fabrication complexity while maintaining acceleration sensing precision.

Matching thermal expansion coefficients between the proof mass assembly and excitation rings eliminates hysteresis errors in force balance accelerometers.

Regulation devices demodulate quadrature interference signals to generate compensation forces, lowering noise and dynamic range requirements.

An angled sensor orientation derives three-axis impact data from two sensing directions, reducing device complexity while maintaining detection accuracy.

Air gaps between integrated PMUT and accelerometer structures eliminate wire bond parasitics while maintaining compact chip footprint.

Coupling portion aligns frequency characteristics of movable bodies to suppress noise deterioration in acceleration sensors.

Classifying discontinuous accelerometer data into speed-based movement categories to calculate precise cycle counts.

Force sensors detect vibration thresholds to trigger spring-loaded magnetic retention, resolving the trade-off between secure holding and easy removal.

Recessed proof mass geometry maintains viscous damping coupling while reducing area, resolving the trade-off between measurement range and ringing suppression.

Reflector generates Raman beams and captures atoms via multiple reflections, eliminating separate capture lasers to reduce sensor complexity.

Ruptured ink bag releases fluid into a colored absorber, providing immediate visual evidence of box tipping without complex sensor hardware.

Grounding the shield eliminates voltage regulators, reducing power consumption while maintaining immunity to external interference.

A sensor lid recess contains excess adhesive material to prevent substrate contact, reducing stress transmission that fluctuates output signal stability.

A test object with a motion sensor detects acceleration and angular velocity during conveyance to support inspection line diagnostics.

Segmented comb-finger electrode groups on isolated substrates achieve high sensitivity and linearity without complex bulk silicon micromachining.

Variable capacitor damping adjusts quality factor, resolving gyroscope sensitivity versus accelerometer shock resistance trade-offs.