Acceleration Measurement Using Interia Forces TRIZ Cases

Pressure sensor measures static and dynamic air pressure differences in a mobile device cavity to calculate movement speed.

Vacuum overmolding seals MEMS dies with hermetic integrity, resolving contamination risks in high-G environments.

Symmetric z-axis seesaw proof masses suspended from a central anchor point cancel wafer bending induced offset errors without additional wiring.

A micromechanical sensor uses a short torsion means to separate resonant frequencies and isolate the rocker structure from external vibrations.

Dedicated processing unit counts steps autonomously, preventing microprocessor performance slowdowns and counting errors.

Segmented symmetrical assemblies with asymmetric radial positioning reduce parasitic modes and structural complexity while maintaining sensitivity.

A rigid rod-shaped element connects an axisymmetric bearing area to the detection unit, isolating structural deformations from the sensing interface.

A signal processing device compares detection signals to assess correction circuit operation.

Lattice-patterned Z-axis through-holes in the movable electrode resolve the trade-off between air damping reduction and mechanical strength.

A movable body opening faces the substrate region between fixed electrodes to reduce electrostatic force and prevent sticking.

Vertical stops between functional layers prevent damage from overload accelerations while maintaining layer independence.

Offset movable electrode ends relative to fixed electrodes to stabilize capacitance changes in physical quantity sensors.

A pressure sensor places electrical components beneath a membrane to protect them from harsh environments.

Multi-sensor inertia units estimate upper body attitude and acceleration for precise angular motion tracking.

Helium gas absorbs optical heat to prevent frequency nonlinearities and shark fin distortions in acceleration detection.

Selective laser etching creates dense coil traces and comb tines on quartz substrates to reduce nonlinearities in navigation accelerometers.

A bone conduction pickup uses an acceleration sensor to detect solid vibrations directly from the oral cavity.

Merging accelerometer and gyroscope data captures linear and rotational motion, resolving false positives from single-axis monitoring.

Oblique drive detection arms strengthen vibration mode connectivity, suppressing leakage vibrations and reducing circuit size.

A vibration leakage signal generation section extracts leakage components to correct temperature characteristics in angular velocity signals.

A physics engine scales inertia values using neighboring body weighting to stabilize rigid body dynamics.

A moveable thermal conductor adjusts conductance between a sensor block and chassis to maintain stable operating temperatures.

Asymmetric elastic beams reduce cross-axis sensitivity while integrated diagnostic elements detect structural damage.

A pressure sensor device uses a metal sheet with pre-formed conductive bumps for high-density packaging.

Mounting angular velocity and acceleration sensors on a single vibrating intermediate member simplifies the structure while reducing device size.

A unitary movable proof mass integrates interdigitated capacitor fingers to enable two-axis sensing within a compact MEMS structure.

Sensors track liquid movement in the reservoir to dynamically adjust expiration time, preventing pathogen transmission from degraded solutions.

Tapered protrusions reduce sticking between the movable body and substrate while maintaining structural toughness.

Unequal tine spacing in interleaved comb drives yields linear capacitance changes, resolving nonlinear parallel plate responses.

Variable gap width structures minimize parasitic capacitance and damping, improving sensor accuracy and dynamic behavior.

A sensor movable member contacts segmented fixed protrusions to maintain detection stability without increasing overall device size.

A lace adjuster secures shoelace ends using a resilient retainer against an adjuster body surface.

Torsional elastic elements anchor an inertial mass to a substrate, enabling rotational movement around a central axis for vertical-axis acceleration sensing.

An accelerometer signal vector representing gravity is determined, and two-dimensional data orthogonal to the vector calculates a motion state.

A collision determination device uses biaxial acceleration sensors to analyze initial lateral and longitudinal accelerations for precise front collision classification.

A micromechanical z-inertial sensor uses lever elements to strike against stop surfaces for precise seismic mass positioning.

A free-fall detector device uses a feedback circuit to supply signals for rapid detection.

Unbalanced fiber interferometer translates wavelength shifts into phase shifts for high-speed interrogator demodulation.

A microelectromechanical inertial sensor merges three orthogonal acceleration components into a single capacitance variation.

A microelectromechanical accelerometer uses three-dimensional spring bump structures to fix a mass element relative to a substrate.

Monocrystalline silicon movable elements and conductive shielding layers enhance MEMS inertial sensor sensitivity and reliability.

A mixed-package inertial measurement unit uses resin and inorganic materials for separate sensor modules.

A capacitance pressure sensor merges the diaphragm and reference compartment into one semiconductor substrate to reduce manufacturing complexity.

A detection application compares multi-sensor readings against stored movement patterns to generate slip warnings.

A micromechanical yaw rate sensor uses a coupling element to connect Coriolis elements for perpendicular displacement.

An adjustable screen point-of-sale device uses an accelerometer to detect orientation and launch specific applications based on physical position.