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.

Integrates a piezoelectric force-sensitive layer with electrode layers to detect touch and pressure signals through a single analog front-end channel.

A television control method fits motion track points into a curve to calculate angular information for precise gesture commands.

Direction-specific threshold angles prevent inward and outward rotation malfunctions caused by varying arm positions, ensuring accurate command execution.

Periodic sensor activation triggered by mobile devices resolves energy consumption trade-offs while maintaining measurement precision.

A hybrid eye tracking system merges OCT and reference units to determine absolute positions.

Adjustable sensor supports on flexible guides resolve hair interference and comfort trade-offs for precise EEG and NIRS measurements.

Computes optical refraction through virtual lenses using depth maps for realistic eyeglass rendering.

A haptic input device computes movement direction and button distance vectors to determine the target button with the shortest movement time.

A head-mounted display enlarges distant avatar images to improve visual recognition of body language movements.

Brightness classification separates fixed pattern noise from motion data, reducing bias caused by scratches or dirt on the protective glass surface.

A video display shifts its image based on viewer direction to keep moving objects visible.

Dynamic adjustment of special effects based on environmental context resolves the contradiction between fixed simplicity and user adaptability.

Radar detection of gestures and physiological states refines search results by resolving ambiguity in user intent and missing context.

Distance sensors detect inhalation intervals to predict exhalation timing, synchronizing virtual smoke with user actions without complex real-time processing.

A diaphragm drive mechanism reduces a housing volume to generate an instantaneous air blast from an opening.

A gesture recognition system uses image sensors to detect body parts and pointing elements for precise aimed point identification.

A smart TV controlling method maps key policies to running interfaces for adaptable remote input handling.

Discrete piezo elements provide uniform haptic feedback to resolve non-uniform response in conventional trackpads.

A capacitance sensing device detects touch and proximity using electrode layers and a dielectric layer.

A system detects video events to automatically configure and generate tailored haptic effects.

Automated eye gaze tracking calibration links user gaze data to salient media content key points for seamless system adjustment.

An input assistance device suggests character strings by referencing an index structure that records words with their kana-readings and associated probability values.

A finger-worn camera captures surface images to enable touch input, eliminating the need for costly sensor instrumentation on every surface.

Colorimetric lighting conveys operational data via membraneless buttons, resolving water resistance trade-offs.

A tablet display uses dual cursors driven by thumb position and user gaze to manipulate screen content.

Electronic devices generate spatial meshes to indicate occluded physical objects within augmented reality environments.

Electrical isolation circuits separate NFC antennas from capacitive sensors, reducing electromagnetic interference while maintaining secure ownership links.

A display device processor manages a scroll bar with a moving cursor to select broadcast channels via user input.

Dual camera segmentation resolves view obstruction by separating front imaging from eye tracking, enabling accurate gaze selection without blocking the user.

A watch-type mobile terminal displays preview images from a connected camera.

Relocating haptic actuators to non-viewing bezel regions prevents visual obstruction while enabling selective vibration.

A multi-device augmented reality mapping method defines and combines coordinate spaces to relocalize computing devices within a shared environment.

Capacitive sensor structure uses transmitting and receiving conductors to detect interior motion through electrical signal changes.

A motion and depth sensor camera tracks hand position to identify pointing actions, correcting parallax error for accurate remote interaction.

A head-mountable device analyzes proximity sensor magnitude changes to identify clusters for automatic eye gesture calibration.

Hat-based artificial reality form factors distribute computing components across brim and crown structures to dissipate heat away from the user's face.

Contact microphones detect touch gestures to activate high-frame-rate cameras from standby, reducing power consumption while maintaining tracking accuracy.

Replaces numeric key exchange with accelerometer-detected tapping motions, resolving the security versus device complexity trade-off.

A haptic authoring tool creates animation objects with positional properties for vibrotactile arrays.

Synchronizing infrared illumination with rolling shutter integration windows reduces power consumption and prevents device overheating in outdoor conditions.

Fingertip sensors measure finger positions and lengths to control a virtual hand model, resolving optical marker overlap issues.

A signal processing section generates haptic signals by applying sensory characteristic data to control presentation devices.

Orientation sensors detect linear and shaking motions to switch diagnostic images, removing control windows that reduce the display area.

A wearable display control system detects user activity changes through sensor data to manage screen activation states.

A wearable interaction system transmits wave signals through the user's body to detect contact parameters.

A control circuit detects pressing operations on a touch panel using vibration and voltage signals.

A gesture-based CAPTCHA system uses camera imaging to capture and evaluate user-performed gestures for identity verification.

A virtual assistant activation method combines audio input detection with motion sensor data to initiate sessions without spoken triggers.

A compensating window system selects an optimal lens from multiple options to correct camera focus errors in head-mounted displays.

A delay amount decision unit calculates haptic output timing based on virtual event position to enhance spatial immersion.