Sensors TRIZ Cases

Magnetic alignment secures electrode contact in a modular bio-signal device, preventing moisture infiltration and data errors during ambulatory use.

Capacitance measurement isolates internal breast tissue signals to estimate milk volume, resolving accuracy issues in existing weight-based monitoring methods.

Multi-wavelength PPG sensing with per-wavelength offset calibration removes motion artifacts and external noise from heart rate detection signals.

A three strikes algorithm detrends neural signals to identify high frequency oscillations using amplitude, rhythmicity, and ringing criteria.

A cooling tourniquet system uses temperature sensors to regulate a chilled fluid pad, maintaining safe limb temperatures during rapid deep cooling.

A support board with varying thickness compensates for copper trace attenuation to eliminate visible artifacts in dual imaging systems.

Detects acoustic leaks in non-invasive photoacoustic sensors by measuring pressure wave amplitudes and phases at varying modulation frequencies.

Acoustic communication unit transmits control signals to the examination room, resolving operator positioning conflicts.

Segmented electrode protrusions accommodate dense hair volume, resolving scalp discomfort from excessive pressing force.

A wearable headband uses a deformable biasing attachment to maintain consistent contact between brainwave sensors and the user's forehead.

Distributed battery modules balance center of gravity to prevent slipping while maintaining power capacity.

Dynamic PDA display adaptation via wireless signals resolves examination efficiency bottlenecks by automating screen transitions based on apparatus usage state.