Input/Output For User-Computer Interaction TRIZ Cases

A dual-support fan assembly improves heat removal in compact VR and AR electronics while limiting shaft stress, noise, and vibration.

Optical relays and waveguides create a seamless energy surface that removes display seams and directs 4D plenoptic light fields for immersive holography.

Integrated drainage bag sensing helps hospital beds improve patient monitoring, alarm handling, and caregiver control without separate devices.

AI analyzes user-specific eye-movement frequency to distinguish active driving from passengers, improving notification filtering and safety.

A hidden camera behind an electrochromic rearview mirror uses near-infrared illumination to monitor front-seat occupants without adding visible cabin hardware.

Filtering radar echoes by distance, speed, and angle isolates gesture data for accurate recognition with lower compute cost and less privacy risk.

Infrared side sensing and end-point correction prevent missed display gestures caused by wrist and arm reflections.

Adaptive multi-sensor sampling improves fine finger gesture recognition while lowering battery use through condition-based sensing cycles.

Alternating piezoelectric layers and insulating films combine haptic, speaker, receiver, and finger scan functions in a slimmer flexible element.

A heat-conducting member and elastic path turn each notebook key into a local dissipation node, reducing keyboard hot spots and uneven touch.

Pixel shifts applied to RGB sub-frames align a color sequential display with LOS motion, reducing rainbowing and retina blur.

Gaze tracking and audio sensing let vehicle occupants trigger voice commands without button presses, improving access and reducing driver distraction.

Vehicle motion data aligns VR visuals and physical effects to reduce passenger motion sickness during immersive travel.

Passive RFID keys and mechanical passcode backup enable secure vehicle entry and engine start without battery-powered smart keys.

Double-tap motion sensing replaces false-prone capacitive battery checks, cutting unnecessary power use while keeping charge indication responsive.

Magnetic docking and a pivoted support rail keep detachable keyboard contacts aligned during movement and angle changes.

Interior images are overlaid in an in-vehicle head-mounted display so VR users can detect driver or passenger interaction without breaking immersion.

A universal masking sheet aligns light-exit regions across language key layouts to keep symbol illumination accurate while lowering keyboard variants.

Thicker lead wire edges shift rubbing away from the center, suppressing resistance rise during winding, lamination, and handling.

A low-latency feedback loop compensates electromechanical load impedance to deliver crisper haptics and wider-band mechanical control.

Side-matching the operation section and option display region reduces driver confusion and misoperation while keeping vehicle information clearly visible.

Five body trackers fuse accelerometer, magnetometer, and gyroscope data to capture full-body motion accurately without cameras or recalibration.

Capacitance ratio and threshold logic identify the pressed switch on a shared metal plate, reducing false detection in compact input layouts.

A dual-sided RF radar layout combines gesture sensing and biometric monitoring in one compact module, cutting sensor count, size, and cost.

A compliant wedge monopolar electrode maintains cutting and coagulation performance by compensating for jaw deflection during tissue grasping.

Observer-specific virtual driver models let autonomous vehicles use gestures and visual cues for secure communication with pedestrians.

A deformation-region area ratio protects segmented sensing units near protrusions, preserving touch or biometric sensing during flexing.

State-aware control restricts audio-driven vibration during screen-off or charging, preserving playback feedback while reducing disturbance.

Sensor-based state detection classifies handheld and mounted phone use to cut false positives and improve driver risk scoring.

Two orthogonal displays separate meter and relay information, improving visibility and usability across different mounting orientations.

Reinforcing elements amplify multilayer piezo actuator motion to create compact, low-cost screen haptic feedback with sufficient stiffness.

Two motors placed at the top and bottom avoid a vibration balance point and deliver stronger haptic feedback when the device is held with both hands.

Multiple sensors combine gaze orientation and touch location to verify driver intent and prevent unintended vehicle feature activation.

Synchronized blinking and size changes link detailed and related information across two displays, reducing eye movement and user distraction.

A single piezoelectric element distinguishes push and pull inputs by signal polarity and magnitude, enabling precise analog control with fewer detectors.

Patch thermometers and location tracking enable periodic fever detection with server alerts, balancing reliable monitoring and lower power use.

Heat is routed across a hinge through independently flexing conductive layers, expanding passive cooling area without adding bulk.

Audio is converted into synchronized panel vibrations and multisensory cues, creating portable immersion without relying on harmful high volume.

Voltage and current feedback estimate force in a reluctance haptic actuator, avoiding force sensors while compensating for drift and variance.

Multi-tactile cues convert route guidance and alerts into touch signals, reducing screen reliance during driving, exercise, or crowded travel.

Gaze tracking directs cabin light to the viewed area, balancing brightness across zones to improve visibility while reducing glare.

Varying light guide microstructure depth and shape evens keycap brightness across a backlit keyboard despite distance from the light source.

An adjustable seat-mounted camera and display improves passenger monitoring coverage, including rear-facing infant seats, without adding multiple cameras.

A nonlinear state observer and feedback controller improve reluctance haptic engine position tracking despite force and stiffness nonlinearities.

A piezoelectric stylus replaces slower coil actuators to deliver fast haptic texture feedback while also sensing surface profiles.

Tangential fixed electrodes and capacitance switching let a rotary knob work anywhere on a touchscreen without losing detection accuracy.

Pressure sensing and gesture depth detection let drivers select 3D display controls across depth planes with visual and haptic feedback.

Segmented widgets and lockable icons cut menu searching on industrial vehicle touchscreens, even when gloves make touch input harder.

Vehicle sensors, cameras, and GPS turn roadside scenery, gaze, and gestures into adaptive in-car entertainment for long journeys.

Eye-gaze and scene analysis target alerts to dynamic objects, reducing ADAS warning overload while preserving driver awareness.