Input/Output For User-Computer Interaction TRIZ Cases

Distinct sliding-region textures create separable friction signals, enabling stable low-cost touch detection without optical or capacitive interference.

A remote device renders distant visual cues when screen viewing lasts too long, helping redirect focus and reduce eye strain.

Hand gestures and pointing vectors let operators select objects and adjust local lighting without prior programming, improving control accuracy.

Gesture-based card selection and layered authentication simplify mobile payments while maintaining secure short-range transactions.

Code patterns integrated with light-blocking layers improve pen touch recognition by resisting ambient light and preserving sensing accuracy.

A position-vector dot product resolves opposite-hemisphere controller poses in headset magnetic tracking, improving AR localization stability.

Soft isolation layers keep the touch module separated from the frame and display, cutting friction noise and heat without damping haptic vibration.

Advance radar cues in an HMD help users anticipate target position changes, aligning visual and inner ear inputs to reduce motion sickness.

Keywords from selected content drive 3D scene, lighting, audio, and temperature matching to create more immersive VR with lower hardware demands.

Sensor-based display switching lets users interact before wearing the device, then automatically shifts to the face-side screen for immersion.

Movement and rotation-center sensing identifies earbud wearing angle and reverse insertion, keeping beamforming direction and stereo output correct.

Threshold-based switching between head-locked and scene-locked XR content reduces jitter during head roll and improves viewing comfort.

When a user looks away from a phone map, navigation cues shift to a head-worn display to keep directions visible without losing environmental awareness.

Separating ROI-based visibility adjustment from the recording path keeps AR glasses displays readable while preserving consistent recorded image quality.

Directional audio cues track gaze and head pose to guide driver focus in real time while reducing visual distraction during training.

Uses visual line trajectories instead of error-prone click logs to build user context and improve content recommendation accuracy.

A rotatable input control improves scrolling, zooming, and selection precision on small touch displays while reducing user effort and power use.

3D AR overlays and mirrored expert gestures reduce miscommunication and cognitive load during remote surgical mentoring.

A 3-axis sign-change trigger simplifies smartphone tap and flip gestures while preserving reliable control of imaging and video functions.

EMG-based silent speech captures muscle activation instead of audio, enabling private, reliable interaction in noisy settings.

Content is resized by viewpoint-based magnification so each item keeps a suitable scale in virtual space as the user moves.

When a phone sends content to a larger display, UI controls shift to a wearable for gesture-based, hands-free, cleaner access.

A partially reflective display lets a head-worn camera capture eye reflections for user verification without sacrificing compact see-through imaging.

A unified controller setting screen shows sensitivity and dead zone on one scale, making analog stick tuning faster and more intuitive.

A hand-tracking clipping mask lets XR displays reveal the user's hand over virtual objects, reducing depth confusion and visual dissonance.

A tandem-guided varifocal HMD shifts the image plane with eye tracking to reduce vergence-accommodation conflict and visual discomfort.

Eye-gaze-guided scanning concentrates high-resolution XR sensing on the foveal region to cut power use and improve occlusion accuracy.

Multiple cameras and microphones classify user vs. counterpart speech, steer directivity, and improve recognition during conversations.

A two-stage vibration mode starts haptic feedback before contact parameters are ready, cutting delay and improving touch response.

A preloaded haptic mouse keyplate uses a limiter and biasing system to improve energy transfer while preventing excessive deflection.

Hand pose analysis suppresses unintended XR gestures during peripheral use while triggering high-power device detection only when needed.

Drive-signal frequency components are reduced to keep actuator voltage within limits while preserving accurate tactile feedback.

Distributed output modules across multiple controller surfaces improve wearable-based position and motion tracking from different viewing angles.

EEG responses to visual stimuli enable contactless user authentication, improving replay-attack resistance without password or card handling.

Adaptive map UI reduces input steps and visual clutter by adjusting navigation prominence around location-based content.

Optical marker imaging turns tactile surface deformation into precise commands, expanding earbud controls beyond basic touch gestures.

Sensor-based switching between speaker output and housing vibration keeps event notifications clear when device orientation or grip weakens haptic perception.

Infrared camera vision maps counted eye blinks to spoken or on-screen phrases, enabling low-cost communication in low light.

Real-time physiological sensing perturbs VR tasks to match target states, improving performance without stress-heavy instruction.

Intensity-based touch on app icons opens contextual content and menus faster, with visual and haptic feedback that cuts launch time and power use.

When video links degrade, the media server switches from video-driven to audio-driven digital human rendering to avoid freezing and deformation.

Pose-conditioned invertible networks capture cloth deformations across poses while avoiding repeated mesh extraction and LBS volume loss.

Occlusion scores and hand pose geometry help suppress accidental XR gesture inputs when a hand is holding or covering objects.

Combines text, drawings, gestures, and voice with review feedback to refine LLM prompts before processing for more accurate responses.

During detected user blinks, game rendering is reduced or skipped so BVH updates can use freed resources without visible quality loss.

Hand feature points configure a familiar virtual controller layout, easing the shift from physical inputs to gesture-based VR interaction.

Real-time analysis of gaze, blink, and other physical cues adjusts virtual backgrounds to reduce discomfort and cognitive overload in video calls.

Path curvature, direction, and hysteresis help a gesture cursor switch modes reliably, expanding commands without adding input complexity.

Centralized user preference storage lets streaming audio systems sync personalized playback across devices and zones without local preference silos.

Standardized brain state embeddings cut noise and device variability, enabling faster, more accurate biomarker prediction across biosignal devices.