Input/Output For User-Computer Interaction TRIZ Cases

A steerable camera follows detected hand locations to capture focused gesture imagery, reducing wasted processing outside the hand area.

Pressure sensing triggers the integrated circuit to stop haptic vibration below a set pen-pressure threshold, reducing residual motion after pen separation.

Natural gestures define 3D interaction spaces and virtual camera controls, improving flexibility over conventional machine interfaces.

Cantilevered leaf springs vary their response to absorb impact forces and protect haptic-engine components from deformation and breakage.

A force sensor and nested cam-motor assembly add realistic trigger resistance while containing complexity inside a handheld housing.

Switchable sensors let one wearable collect daily activity and professional exercise data, avoiding multiple devices.

Depth-sensor limits can make mixed-reality occlusion inaccurate; server-side 3D reconstruction sends only visible virtual-object portions to the client.

Static emergency systems struggle with mobile users; this wristband combines QR profiles, geolocation, and SOS alerts for real-time assistance.

Ultrasonic hand sensing switches keyboard backlights through an embedded controller, improving visibility during use while reducing needless power consumption.

Modular sensor, scroll-wheel, and bottom-cover replacement lets users repair the mouse without discarding functional components, reducing waste.

Separate left- and right-eye detectors stagger capture cycles to speed gaze-result readout without costly high-frame-rate sensors or wider buses.

Dynamic cone apertures and movement multipliers adapt to object spacing, improving selection precision and reducing user fatigue in mixed-reality interaction.

Orientation sensing raises the input threshold when the display leaves the user's view, helping reject unintended commands.

Explicit triggers can burden XR users, so the assistant indicator relocates from the virtual scene to an external device’s physical position.

Environmental images trigger millimeter-to-microwave band switching, helping head-mounted display links adapt to obstacles and distance changes.

Distance-based selection switches between contact and hover detection without pen inclination changes or cursor jumps.

Virtual objects render assistant responses inside the headset, avoiding external display viewing and supporting control of physical devices.

Low-frequency plasma discharge patterns help measure intentionality without filtering out significant high-frequency signal data.

This case standardizes high-dimensional biosignals into brain-state representations for lower-complexity biomarker prediction across devices.

Retraction dead-bands filter unintended movement segments in XR drag and scroll gestures, preserving intended UI motion despite contact discrepancies.

Image-capture devices track hand motion through virtual constructs, replacing touch and mice with precise, contactless interface control.

Camera offset can make displayed gaze look downward; learned displacement fields transform eye patches across views for natural interaction.

Head gestures detected by earpiece accelerometers supplement dictation, helping users navigate and edit documents despite ambient noise.

Eye tracking activates waveguide output zones around the user's gaze, reducing wasted light while preserving full field-of-view coverage.

A dual-surface speaker sends ultrasonic signals through an auxiliary hole to a microphone after reflection, enabling gesture recognition and audio mode adjustment.

Separate sensor substrates fold into a stack to position physiological and ambient sensors for more efficient signal detection.

A grounded electrode layer isolates tactile-sensor drive signals from the touch structure, preventing capacitive crosstalk and incorrect position detection.

Relative-position and orientation sensing personalizes vehicle advertisements while safety checks dynamically disable interaction near hazards.

Dual-scale surface irregularities balance pen-writing friction with smooth fingertip touch while preserving visibility and reducing glare.

Localized acoustic fields from ultrasound arrays deliver contactless tactile feedback for precise, comfortable immersive interaction.

Vibration-assisted insertion in a wearable biosensor package reduces required force and helps limit skin tissue damage.

Manual switching across displays interrupts continuous information access; gaze sensors automatically move the UI between a head-worn XR device and the display being viewed.

An eye camera measures reflected glint size from an illuminated eye to detect focus-distance changes in a see-through display.

Hand tracking lets users navigate mirrored phone media in 3D while local-network streaming and low-power processing reduce latency on AR glasses.

Eye tracking measures VR eye strain and triggers adaptive brightness, resolution, and field-of-view changes to improve user comfort.

Polygonal layout, magnetic drive forces, and position sensing compensate for shaking and impact while stabilizing captured images and videos.

Coordinated thermal and tactile actuators create heat perception at a separate body region, improving XR realism and response speed.

Ability-based route weighting adapts navigation choices to driver cognitive levels, helping address safety risks for senior drivers.

Gesture magnitude and facial context are tracked to scale metaverse input, reducing false augmentation and distracting interactions.

Multiple actuators use frequency bands to selectively stimulate skin mechanoreceptors and synthesize varied stereo tactile sensations.

Vehicle smartglasses use inertial-sensor pose data to warp transmitted display objects, correcting wireless latency during 3D visualization.

Mode-specific power ratios weight audio and vibration signals within hardware limits, improving intensity correlation across operating scenarios.

Capturing object geometry lets a projector place user-instructed content on non-flat and three-dimensional projection objects.

Eye tracking and hand gestures replace cumbersome sequential inputs for AR/VR navigation, while coordinated scrolling and visual feedback conserve energy.

An inclined elastic ring seals the core-to-casing gap against saliva while preserving pen-pressure transmission and core replacement.

Eye and hand tracking interprets natural user intent to reposition virtual objects with fewer inputs, reducing cognitive burden and battery use.

TIR and corrective wedges redirect and absorb stray light in head-worn displays, improving contrast and clarity while limiting optical complexity.

The device classifies driving actions, extracts pre-action scene images, and provides context for scattered near-miss information.

A processing unit suppresses vibrator movement during pen non-use periods, reducing uncomfortable vibration when the tip contacts a panel.

A forwarding component converts peripheral-device data protocols so cloud clients receive input, attributes, and battery information.