Acceleration Measurement Using Interia Forces TRIZ Cases

A hybrid accelerometer merges closed-loop feedback with proof-mass position data to create a unified measurement signal.

Vertical stacking of capacitor plates resolves the contradiction between high sensitivity and small device footprint in multi-axis accelerometers.

A vibrating resonator control method modifies the ratio of control to detection durations during startup to establish vibration.

A terminal device adjusts application icon positions based on user holding manner detected by internal sensors.

A multi-die MEMS package integrates controller and sensor ICs using through silicon vias to reduce footprint.

Accelerometer data processing creates user profiles to identify portable devices carried by the same person.

A motorcycle acceleration sensor mounts under the seat frame via a bracket extending from the auxiliary frame.

Segmented capacitor regions and composite springs enhance MEMS tolerance to external deformations without increasing manufacturing complexity.

Segmenting detection into low-power monitoring and active analysis resolves energy reliability trade-offs in portable x-ray detectors.

Shorter electrode fingers resist damage from impacts, resolving the trade-off between reliability and measurement precision in acceleration sensors.

A portable system determines ball spin rate and axis orientation using magnetometers or accelerometers.

A processing circuit monitors acceleration variations to detect anomalous events in portable electronic apparatuses.

Multi-sensor vibration peak correlation resolves noise and resonance disturbances by selecting accurate axle combinations to improve detection reliability.

Deflecting tracking anchors transfer substrate deformation forces to tilt the proof mass, reducing zero-g bias offsets in MEMS accelerometers.

An inertial measurement unit on the sling detects acceleration and rotation rates, enabling automated pendulum damping without complex manual control.

A torque command and acceleration detection accumulate during driving to calculate movable portion inertia.

Positioning anchors outside the seismic mass center of gravity minimizes mechanical stress deformation and zero point errors in capacitance measurements.

A magnetometer-free motion capture system fuses inertial sensors with ultra-wideband localization data.

Segmenting processing to a mobile terminal preserves ball weight while enabling precise motion tracking via external context association.

Processor alternates between high and low power sensor modes to compute calorie expenditure, reducing battery drain while maintaining tracking accuracy.

A piezoelectric sensor uses a polymeric filler to encapsulate the thin film sensing stack.

A MEMS accelerometer uses a geometrically variable suspended region to modulate the sensing arm length and separate external acceleration signals from spurious noise.

Stabilizing the optical beam center frequency independently of external acceleration reduces bias uncertainty and enhances measurement accuracy.

A yaw rate sensor employs a rocker structure coupled to the substrate via a spring element to shift interference modes.

Dual-sided ASIC substrate layers enable direct mechanical and electrical fixation of face-down mounted MEMS elements.

Triaxial accelerometer data filters high frequency noise to produce a scalar acceleration spread waveform that identifies airliner takeoff and landing events.

A polyurethane foam accelerometer detects acceleration forces through conductive material deformation.

A MEMS accelerometer applies differential self-test signals to drive electrodes to measure proof mass response and determine sensitivity.

An adaptive calibration system updates bias and scale factor values using a weighted sliding window to maintain sensor accuracy.

Compensates for orientation errors by rotating estimated paths against accelerometer measurements, reducing drift without magnetometers.

A sensing circuit uses a follow-up signal to define normal voltage ranges for accurate malfunction detection in angular rate sensors.

Relief slits absorb mechanical stresses between contact and sensor elements, preventing parameter drifting from thermal expansion differences.

A non-conductive sensing mass interacts with an electric field between fixed electrodes to enable capacitive position detection.

Magnet arrays counterbalance the dynamic part weight, eliminating leaf springs and reducing material stress for a larger working stroke.

An onboard accelerometer samples longitudinal acceleration directly, eliminating velocity calculation delays for accurate aggressive driving detection.

Segmented MEMS rotor regions isolate measurement electrodes from stopper structures via insulating layers.

Anti-phase oscillation of dual sensing masses amplifies Coriolis signals while attenuating noise, reducing device size and power consumption.

A sensor device with a flexible circuit carrier integrates directly into composite fiber components to enable real-time process monitoring during resin infusion.

A sensor information collecting apparatus uses an illumination unit to emit superimposed optical communication signals for data transmission.

Grooved proof masses create mass imbalance to sense out-of-plane acceleration, reducing multi-axis interference and device area.

Iterative centripetal acceleration estimation compensates non-gravitational forces to improve angle calculation accuracy between coupled rigid bodies.

Segmented deflection electrodes on the rotor allow autonomous self-testing, resolving insufficient electrical force for reliable device verification.

Extending parts on the beam increase Z-direction moment of inertia, reducing sensitivity variation across axes without increasing sensor size.