Input/Output For User-Computer Interaction TRIZ Cases

Frame-based parallax adjustment in XR stereoscopic images reduces HMD eye strain while preserving immersion when frame differences stay small.

IR-based BRIR synthesis and time-of-flight IMU anchoring keep wearable spatial audio aligned with room acoustics and head motion.

Camera-based gesture input removes controller constraints by switching feature points after a specific gesture to improve recognition accuracy.

Guided biometric UI uses progress cues and alignment feedback to cut repeat attempts, reduce false negatives, and save battery power.

Sub-threshold noise current to the vestibular organ reduces sensory mismatch and helps relieve motion sickness without harmful overstimulation.

An IMU-based handheld controller replaces mechanical toggle buttons, enabling blind radiotherapy operation with smaller size and higher reliability.

Gesture tracking links projection mapping with private MR spaces, enabling seamless 3D object transfer and real-time bilateral interaction.

Waveform shape analysis classifies EEG peak features to diagnose epilepsy without seizure capture, reducing recording burden and computation.

A 3D panel maze maps browsing history into spatial paths, reducing tab-switching disruption while preserving research context.

A rotatable protrusion electrode penetrates hair and meters conductive material to deliver wet-like EEG signal quality with minimal setup.

Avatar deviation from a reference pose reveals improper sensor setup, enabling recalibration before motion measurement starts.

A portable signal control unit decodes brain signals to let implanted BCI users switch between and control multiple external devices independently.

A motorized kiosk uses spatial location, user detection, and ML-driven content selection to deliver personalized displays with less manual operation.

Contour points from 2D or 3D shapes are mapped to variable vibration patterns, enabling tactile shape recognition and verification.

Temple-mounted cameras and inner-frame displays recreate blocked side vision in AR glasses, improving peripheral awareness during use.

Expanded control hot areas make XR follow-the-head selection more accurate and efficient while reducing misoperations from precise ray cursor input.

Shared XR replays preserve spatial relationships across remote users while allowing paused virtual object pose manipulation and mode switching.

An expandable base and detachable modules let editing controls be rearranged for different workflows without needing multiple fixed-layout consoles.

Discrete foot states gate head-tracked commands in a surgical interface, reducing layout memorization and unintended activation.

Bone conduction and gesture signals are combined with voice input to resist spoofing and environmental noise in remote authentication.

Dynamic occlusion and focal-distance control make AR virtual monitors more private, reduce ghosting, and limit simulator sickness.

Eye reflections are used to detect headset pose changes for scrolling input, reducing processing load in controller-free XR headsets.

AR glasses map gaze direction to target devices and sequenced commands, improving remote IoT control and multi-user workflow sync.

A ring, inner, and outer pad layout lets a touchscreen knob detect press, rotation, and touch inputs while reducing component complexity and cost.

Specific sEMG sensor placement and mirrored AI training improve motion-intent mapping accuracy for intuitive prosthetic control.

A moving visual target verifies gaze following during calibration, improving eye tracking accuracy for children and other hard-to-calibrate users.

A split holding and pressing structure transmits pen pressure accurately under lateral force while preventing core tilt and ink leakage.

Adaptive VR and AR vision testing adjusts stimuli and audio guidance in real time to improve home-based assessment accuracy.

Viewport-based grouping sends virtual object state updates only to relevant XR users, cutting network traffic, latency, and battery drain.

Adjustable pin arrays and integrated touch sensing turn live graphics into 3D tactile output and linked braille for real-time reading.

A 200-500 msec delay in brain-signal feedback enables precise brain activity control without complex transfer functions.

A modular display stand uses position-detecting contacts and separable assemblies to simplify repair, recycling, and multi-display support.

Deflection sensing and enclosure-mounted haptics let virtual buttons mimic mechanical button feel while avoiding wear from physical switches.

A modular sliding-member and pivot design cuts display stand parts while easing assembly, repair, disassembly, and recycling.

Audio and lexical feature analysis detects when vocal or lexical entrainment is pushed beyond natural bounds to manipulate rapport.

Writing pressure data is sent as compact relative values so sensor devices can restore full precision within tight multi-pen communication windows.

Gesture input splits and reshapes projection areas so multiple users can view different images while avoiding objects that would distort the display.

A list-and-thumbnail interface lets users view and operate virtual objects tied to different real spaces without physically moving.

Image-based eyelash movement adds a second verification layer after face recognition, improving secure access and emergency alert handling.

UWB head tracking replaces cameras in transparent AR displays, cutting energy use and privacy concerns while keeping object-aligned overlays.

Magnetic tracers and embedded IMUs replace external tracking stations, enabling precise low-latency hands-free 3D control.

A two-stage AR selection flow uses head pose for coarse targeting and hand gestures for precision, reducing fatigue in dense 3D scenes.

Staged storage thresholds delete non-protected images and block new captures before a wearable runs out of memory.

Status indicators appear only for selected objects or critical states in XR, cutting compute load and reducing visual clutter.

Combining LiDAR head position, IMU posture, and joint angle sensing enables accurate full-body VR interaction and richer multi-user immersion.

Targeted LoRaWAN cue delivery with screen and haptic alerts cuts missed or misheard backstage cues without bulky headsets.

Passive amplifier noise analysis estimates dry electrode skin impedance, helping maintain cleaner, more reliable neuromuscular signals.

Combining IMU ray-casting with EMG gesture sensing improves hands-free XR input reliability without camera limits.

A head-mounted display tracks gestures and target elements to synchronize sexual stimulation devices without manual controls, improving immersion.

Gesture code matching lets nearby handheld devices share data without PINs or approval clicks, cutting linking time and memory use.