Input/Output For User-Computer Interaction TRIZ Cases

Multiple autostereoscopic displays create movable virtual windows, aligning 3D views with eye position for shared immersion.

By limiting voice matching to the focused executable object, this case reduces unintended actions, processing load, and power use.

Sensor data from an aerosol device drives virtual smoke rendering, keeping VR and AR smoking visuals realistic without real smoke.

Flexible straps, adjustable display positioning, and a conformal light seal improve fit, block stray light, and support immersive VR use.

Bayesian embedding tracking with Kalman filtering improves motion activity classification by rejecting unknown classes and reducing sensor artifact errors.

Peripheral photoelectric sensors replace eye-image processing to determine gaze position faster and support higher display refresh rates.

Motion sensing triggers the hand-mounted scanner after a defined acceleration and pause, speeding scans while reducing strain and battery drain.

Threshold-based switching between tilt-locked and head-locked 3D object views preserves visibility and smooth viewing during user movement.

Real-time biological signals guide VR scene speed and object changes to stabilize psychological state and track treatment progress.

User-state feedback lets a head-mounted display reduce the saliency of distressing real objects without manual selection.

By extracting and up-scaling only tracked viewpoint areas, this case cuts VR image transfer delay and bandwidth while preserving multifocal immersion.

Multiple control modes let a virtual character switch between sensor-driven and response-driven actions for more flexible, reliable output.

Motion and physiological sensors built into one earphone enable real-time performance analysis and audio feedback without multiple sports devices.

Standard deviation-based baseline updates help film-type force sensors avoid resilience drift and improve load detection accuracy.

Procedural hand generation and blend-space pose updates enable immersive object viewing in virtual scenes without extra hardware or heavy processing.

Real-time cognitive load estimation from gestures and sensor data helps time text suggestions to reduce frustration and preserve writing speed.

Saliency-guided rig switching uses gaze and speech cues to resolve POV ambiguity, keep targets visible, and cut unnecessary power use.

Eye-gaze and hand-tracking reduce AR/VR selection steps, improve feedback, and cut errors and power use in object interaction.

Server-mediated web XR uses one API path plus anchors and sensor data to keep scene generation stable across Android and iOS.

A 2D distribution of pen signal levels across intersecting coil groups improves coordinate accuracy when the pen is tilted.

A universal recognizer handles mixed-script handwriting in real time without manual language switching or stroke-order dependence.

Camera-based finger vectors and facial cues replace touch input, enabling hygienic shared-device UI navigation and virtual makeup selection.

A cursor-triggered wider-angle thumbnail lets HMD users check surroundings quickly without opening the full image file.

An enlarged fingertip preview helps users adjust finger position and capture contactless fingerprint images with suitable focus for authentication.

A rotating mechanical crown replaces imprecise touch on small wearable displays, enabling proportional scrolling and scaling with better control.

Structured AR/VR interaction files capture gestures, voice, and object links to replay training content with less storage, bandwidth, and compute.

Ambient light sensing and pixel-level symbology adjustment keep headworn displays readable across high dynamic range cockpit scenes.

Projects a simulated 3D scene onto a distant surface while tracking user position to preserve immersion without headsets or motion sickness.

Stripe-wise reprojection updates scanlines with predicted and interpolated head poses to prevent XR image tearing and preserve visual continuity.

User gaze dynamically adjusts UI immersion and physical-environment visibility, cutting input steps, errors, and cognitive burden.

Built-in mobile sensors guide indoor image capture by tracking 3D orientation, improving panorama mapping accuracy without specialized equipment.

Portable command records capture user actions and visual-object links to mirror AR/VR training spaces with lower memory, bandwidth, and compute load.

Brightness comparison across eye-image subareas detects HMD-cast shadows that reduce pupil contrast and eye-tracking accuracy.

Sensor-based ambient sound playback restores external awareness in stereo headsets when head motion and impact cues indicate danger.

Coils on the trackpad PCB drive a chassis-mounted magnet to deliver clear haptic feedback beyond the trackpad while saving space and cost.

Combining gaze, palm, head, and finger cues helps AR menus and keyboards appear in the right place and stay visible when intended.

Stereo cameras and onboard image processing align virtual beams with eye gaze, improving hit detection and immersion in AR gaming.

Separate trackpad zones with independent input recognition and haptic feedback enable simultaneous movement and rotation with better ergonomics.

Forward-tip imaging fused with IMU motion sensing improves 6-DoF stylus tracking for precise AR and VR object interaction.

Eye-tracked subframe light shifting boosts perceived resolution in gaze zones without shrinking pixels or raising power use.

Context-based switching between absolute and relative stylus translation improves precision and access to distant interface elements.

A configurable handheld-controller touchpad switches modes by context and profile, using overlays and haptics to expand input options.

Wrist and head sensors turn natural hand motions into precise scrolling commands, improving VR navigation responsiveness and control.

A low-resolution brightness map guides neural exposure correction to restore overlit and dim XR image regions without HDR sensors.

Head-guided cursor positioning and speech recognition replace handheld virtual keyboard input, making VR text entry more convenient and efficient.

Hybrid electromagnetic and optical sensing improves electronic pen position and posture detection in peripheral regions without sacrificing response speed.

Tap patterns mapped to in-vehicle commands bypass repeated voice confirmation, improving response time and user convenience.

Capacitance-based inhalation sensing predicts exhalation timing so virtual smoke appears in sync with the user's breathing in VR.

A synchronous belt mechanism enables continuous multi-direction slip simulation with simpler structure, wider motion range, and real-time speed feedback.

When a registered controller becomes abnormal, graphic affordances and camera-detected gestures keep command input usable in AR and MR.