Input/Output For User-Computer Interaction TRIZ Cases

Networked gesture switch units share status signals to expand touchless lighting control while lowering cost versus standalone contactless switches.

Structured light and internal sensors track hand motion through glass, enabling interactive storefront displays without exposed touch hardware.

User gaze and distance drive selective VR audio enhancement, boosting a target source without processing every sound object.

A controller adapts audio mixing to haptic and amplifier states, delivering tactile and sound feedback without overdriving the actuator.

Conductive plastic replaces hard-to-form metal layers on contoured nonconductive interfaces, simplifying proximity sensing assembly.

Flexible resistance and capacitance sensors in a glove-like controller enable precise multidimensional control with better comfort over long use.

Switching between proximity and ranging sensors by object distance improves gesture detection accuracy and reduces false positives from protective sheets.

Electrical relays emulate keypad presses to add contactless control to vending machines with lower retrofit cost, fewer input errors, and less touch.

An exposed conductive contact linked to an internal capacitive pad boosts touch sensitivity while shielding the pad from damage.

Dynamic delay, gain, and phase control lets one haptic actuator output audio and haptics without amplifier clipping or lost haptic performance.

Combining electrical, force, temperature, and vibration cues, this case shows how arbitrary tactile feelings like sticky or springy can be synthesized.

A capacitive sensing circuit wakes the processor only on touch, cutting idle power draw while preserving reliable button response.

Elastic brackets and transparent keys add tactile feedback to touch-control icons, helping users confirm presses with limited visual attention.

A force sensor under a capacitive input surface separates key presses from hand gestures while enabling haptic feedback without movable parts.

A wearable measures phone separation and signal changes during arm motion to correct attenuated passive key proximity detection.

PHY-layer WFC logic converts PCIe link width and frequency while preserving symbol order, bridging Gen 4 and Gen 5 bandwidth gaps.

Pulsed light drives a dual-layer thermo-elastic structure to boost contactless vibrotactile intensity while preserving user movement freedom.

Inserted key-up states in remote keyboard data prevent latency-driven repeat errors while preserving modifier keys and intentional repeats.

Visible LEDs are tuned by pose while hidden ones switch off, cutting battery drain and keeping optical tracking brightness more uniform.

By tuning vibration plate damping and actuator width, this panel generates ultrasonic standing waves with lower voltage, heat, and power use.

Waving near a playback device triggers snooze, pause, mute, or volume reduction without buttons, making alarm and audio control faster.

An elastic conductive actuator lets one capacitive switch distinguish touch and press inputs while adding clear tactile feedback.

Linear distance sensing and continuous feedback let compact touchless keypads distinguish fingers from hands and reduce false key selection.

Solid-state capacitive electrodes hidden in garment seams simplify manufacturing and improve gesture detection reliability with lower energy use.

A capacitive PCB keyboard detects proximity at product labels, avoiding contact wear and bacteria while rejecting simultaneous or invalid selections.

An elastic conductive button on a capacitive touch panel preserves tactile push feel while removing tact switches and layout constraints.

Irregular island electrodes and over-area traces improve 2D and 3D finger detection while obscuring conductive micro-patterns.

Piezoresistive patches on flexible glove substrates convert force, bend, and touch into digital control signals for hand-motion interfaces.

Multiple touch sensors across the front, rear, sides, and bottom are mapped as combined inputs to expand one-handed mobile control.

Dynamic capacitive and infrared sensing improves playback icon illumination response while reducing false triggers from ambient light and nearby TVs.

Diffuse HMD LED patterns detected by controller photodiodes enable precise VR tracking without external transmitters, large spaces, or high-bandwidth sensors.

Change-based channel ordering and grouped codewords cut haptic bitstream size while keeping latency low for teleoperation.

Shared touchscreen electrodes alternate between capacitive sensing and electrotactile feedback to avoid cross-coupling and extra layers.

A sealed modular button housing keeps contaminants out while enabling separate testing, quick installation, and easy replacement of device inputs.

A micro-patterned discontinuous dielectric and ground shielding improve low-pressure tactile sensing sensitivity and signal stability in flexible arrays.

A current buffer drives the capacitor network to preserve LNA linearity during bandwidth programming while avoiding bootstrapping power overhead.

Concurrent sampling of sensor subsets boosts touch sensitivity through insulating layers while keeping power use low in cards, IoT, and wearables.

Visual character prompts and keystroke pattern checks help block credential-based account takeovers without adding separate hardware.

Short clicks and long presses share one input path, with menu speed held briefly then ramped up to simplify hardware and improve operation.

Reflected-light reference checks let an inputter identify noise-induced detector faults and ignore bad signals to preserve input precision.

A vertically adjustable workstation sets hand-controller height from the user's initialization grip to reduce fatigue in robotic surgery.

Signal processing classifies tiny intentional gestures from sensors to let ventilated patients summon caregivers despite noise and tremors.

Audio volume changes with scroll displacement to keep playback relevant and indicate source location in content-heavy social feeds.

Programmable key mapping lets compact electronic controls expose more functions with fewer hard keys, cutting steps and speeding setting changes.

Skin-contact impedance modulates audio or visual output, enabling touch-only control for creativity, communication, and cognitive stimulation.

Playback volume drops to a preset level during voice input, helping image displays suppress background audio and recognize commands more accurately.

Proximity sensing starts vibration before touch contact, cutting feedback lag while avoiding continuous haptic power use.

Dynamic filtering and harmonic control cut vibration interference and latency, improving touch sensing and haptic click timing.

Absolute-value volume curves let editors match clip loudness, boost quiet sections, and avoid clipping on loud peaks.

A 35-36 key layout separates symbols from letters and numbers to cut finger travel and enable direct Latin and Greek character input.