Input/Output For User-Computer Interaction TRIZ Cases

A program defines virtual spaces and arranges avatars to perform based on user motions.

Automated facial expression analysis generates weighted ratings without manual input, resolving the trade-off between feedback quality and user participation.

A head-worn device tracks eye and head movement to measure vestibulo-ocular performance.

A priority calculation unit filters undesirable objects from free viewpoint videos by classifying items based on user proximity and spatial context.

A virtual scene control system presents context-aware interfaces near avatars.

Differential friction locks objects to a vibrating surface, enabling independent object positioning while providing tactile feedback.

Variable reflective stylus properties resolve motion capture differentiation limits by enabling extended input vocabulary.

A handheld communication device generates customized haptic effects using vibration actuators to deliver personalized tactile feedback.

A touch-sensitive chart interface maps user gesture locations to specific data regions, triggering animated visual mark removal and immediate display updates.

Vibration unit generates floating force on input unit to provide tactile feedback.

A lightguide circumscribes a lens periphery to direct infrared illumination toward the eye.

Automatic reconfiguration means transfer priority images to valid screens, maintaining pilot focus during critical flight phases when primary displays fail.

Fuses multiple sensor sources to detect hand gestures on a surface, resolving illumination and occlusion challenges in vehicles.

A solenoidal energy harvester under a keyboard key converts mechanical actuation into electrical charge for an ultracapacitor.

A multi-modal display device uses an optical guide to adjust a projector beam for internal or external projection.

Removable input controller embedded in head-mounted display frame navigates immersive experiences, eliminating bulky tethered joystick controllers.

Translates three-dimensional air writing gestures into personalized augmented reality displays using user-specific profile data.

A 3D camera adjusts calibration parameters using actuation signals from user inputs like keyboard keys or touchscreens.

A system displays user inputs with unique graphical indications to signal ambiguity and allows time for corrective input before fading the display.

A transparent non-backlit liquid crystal display integrates a dynamic backlight unit to illuminate content while preserving object visibility.

An interactive audiovisual signal generation system detects user gestures to create dynamic shared content regions within a unified display window.

A processing device converts nerve impulses into audio signals by mapping neural activity, resolving accuracy versus complexity trade-offs.

A display device detects user gestures to adjust video playback speed and position for real-time synchronization.

A touchscreen apparatus generates tactile feedback signals to enable user interaction with active background applications.

Touchscreen aviation display system enables direct manipulation of graphical interface elements via user gestures.

Virtual reality helmet plays local video via built-in storage to free users from wired connections.

An AI builder generates virtual objects in extended reality spaces using natural language commands.

Wearable haptic sensors capture body movements and transmit tactile feedback to team members, bypassing noisy environments that disrupt voice channels.

A navigation system calculates routes along a defined corridor using touch pressure to adjust width.

A sliding mouse housing uses a tongue portion with track devices to expand the device for use.

A touchpad module uses a swingable resilience piece with two fixing points to distribute pressing force across the entire surface.

A three-dimensional device with an integrated conductive structure generates periodic electrical signals on a capacitive surface sensor through relative movement.

A wrist-mounted wearable apparatus uses contact pressure and pulse wave sensors to measure biometric information.

Dynamic voltage adjustment compensates for human receptor sensitivity variations across frequencies, ensuring consistent haptic feedback.

A flexible computing device employs a bend sensor and electromechanical actuator to generate modulated vibrations that simulate physical document affordances.

A near-field radio sensing system transmits electromagnetic signals to detect muscle contractions through clothing without direct skin contact.

A dual-mode haptic actuator combines vibration and striking mechanisms to generate varied tactile feedback using a single movable element.

A haptic trajectory construction interface provides tactile navigation cues through sensory feedback mechanisms.

Enclosed pod uses biofeedback sensors to adjust climate and multimedia, resolving complexity trade-offs in sleep quality optimization.

Mobile terminal loads user motion data onto preview images for dynamic augmented reality e-book content generation.

Swipe gestures on a head-mountable device optical element adjust local transmittance to shade bright areas without mechanical controls.

A trackpad input device filters mechanical noise from capacitive sensing signals to stabilize cursor movement on a display.

A head-mounted display uses voice recognition to replace mechanical buttons.

A hybrid pose tracking system fuses electromagnetic and inertial measurement unit data to generate accurate device positions.

A calculation device determines human body model lengths by approximating sensor motion as circular arcs during simple user operations.

Segmented augmented reality cursors enable multi-object selection without increasing system complexity.

Gesture-based controls replace mechanical knobs, resolving the trade-off between measurement precision and ease of operation in ultrasonic testing.

Camera-based gesture detection selects real-world objects, resolving mobile device input limitations.