Indication/Recording Movement TRIZ Cases

Three 120-degree antenna arrays capture backscattered UWB signals to track vital signs, eliminating user resistance from forgotten wearables.

A rotation determination device uses edge pattern matching to identify rotational operations from encoder pulse signals.

Aerodynamic probe uses multiple transmitters with a single receiver to measure air flow incidence angles via acoustic travel times.

Continuous monitoring of inherent dither signals enables real-time detection of mechanical damage without requiring manual inspections or external equipment.

Segmenting the housing into a removable upper part covers user actuating elements, resolving conflicts between ease of operation and design attractiveness.

Staggered sensor zones on a single rolling bench determine vehicle direction while measuring tyre wear, resolving complexity trade-offs for large vehicles.

A single laser beam position sensitive detector measures orthogonal wander to determine fluid flow orientation remotely.

Airflow sensor packaging structure establishes a continuous flow path via an air release channel to maintain pressure balance.

A multi-port fall monitoring system enables seamless patient transfers between sensor zones without repeated connections.

An adjustable elongated conduit with a lightweight ball indicates airflow direction and magnitude, resolving complexity trade-offs in hospital monitoring.

Air pressure sensors detect ambient airflow to generate pressing and displacement signals, enabling vertical movement sensing in the air.

Optical sensor detects bird beak insertion into nectar access point to count feeding events via light beam interruption.

A water conduit flow indicator uses rotating impeller blades to generate an audible alarm, preventing water waste from forgotten spigots.

Wheel-mounted accelerometers and gyroscopes measure centripetal acceleration and angular speed to determine vehicle stationary status.

A falling anemometer uses differential wind resistance between two portions to incline and measure local wind speed and direction.

Wind-powered anemometer generates ac voltage to supply wireless transmitter circuitry for remote data transmission.

A mobile device system tracks disinfectant persistence using time and activity level thresholds to determine confidence in surface cleanliness.

Ceramic coatings match thermal expansion to reduce fatigue and lower operating temperatures.

A direction determination system monitors state changes across multiple sensor inputs to track moving objects.

A lightweight test fixture with a rotatable inner disc resolves instability in existing heavy metal devices, ensuring consistent calibration accuracy.

Selection logic determines agreement numbers among redundant air parameter sources to isolate the most reliable datum for engine control.

Passive inductive sensors detect vehicle speed and direction by measuring coil inductance changes.

A movable element shifts within an inclined conduit to indicate directional differential pressure between adjacent spaces.

Motion sensors detect vehicle turns to distinguish drivers from passengers, reducing distractions by adapting notifications.

Segmented air data sensors allow on-wing probe replacement while a flexible membrane seals the transducer against contaminants during detachment.

A position detecting device calculates absolute shaft position using pre-encoded gear tooth patterns and low-speed arithmetic processing.

Forward and reverse acoustic chirps in a SODAR system reduce systematic Doppler errors by differencing echoes to align range measurements.

A cropped-delta gust sensing vane aligns to fluid flow direction using optimized cross-sectional geometry.

An array of magnetic field sensors detects ferrous material near an MRI opening while a processor corrects signals from far-field disturbances.

A motion detection device uses a base and holder with recessed and protruding parts for quick attachment to sporting equipment.

Handheld ultrasonic sensor detects air speed in two perpendicular directions simultaneously.

Motion detection system uses sensor sample differences to determine device movement state, reducing calibration time and power consumption.

Sensors detect user tremors while circuitry drives compensation movements through a universal holder, resolving stability complexity trade-offs.

Self-mixing laser sensor compensates for misalignments and vibrations to improve speed-over-ground measurement accuracy.

Passive geometric and material designs prevent water blockage in pitot probes, eliminating heating requirements for UAV reliability.

A single antenna transmits and receives electromagnetic waves to determine mobile body velocity and direction via Doppler signal processing.

An antenna windsock assembly uses an integrated ring and clips to attach to a vehicle radio antenna, ensuring driver visibility of wind direction.

A rotation sensing apparatus uses four sensors to detect oscillation signals for determining rotation direction and angle.

Instrumented stages with laser beams detect geometric deviations in aircraft angle-of-attack sensors without removing the assembly.

A wind direction indicator uses a rotating disk with a slot to modulate light between LEDs and photocells for directional signaling.

A diaper accessory uses motion sensors to detect wearer movements and predict excretion events for timely potty training.

Photo-sensors detect head movements through light intensity variations, replacing resource-heavy video processing for reliable nighttime drowsiness detection.

A mechanical flow counter uses fluid and ambient temperature sensors to detect blockages when no flow occurs.

A raised portion on the probe head trips the fluid boundary layer from laminar to turbulent flow.

A hybrid laser sensor uses a transmission grating and image sensor to determine product speed and length.

An exercise support device tracks user arm swing angles using motion sensors to provide real-time feedback for optimal movement.

Terrain exposure coefficients derived from momentum conservation equations reduce RMS error in complex slope predictions.

An underwater detector uses an infrared sensor module to track a rotating indicator and calculate water flow velocity.

Processing circuitry detects setup-to-application transitions via inertial and force sensors, stabilizing the applicator for users with tremors.