Input/Output For User-Computer Interaction TRIZ Cases

A movable metal overlap with a sensing coil enables compact force touch input while avoiding bulky mechanical switches and improving sealing.

A controller keeps the NumLock LED on and blocks unintended mode switching, so connected keypads stay in numeric input mode.

Ambient sound sensing adjusts earphone volume automatically while gesture input controls playback when manual operation is inconvenient.

A layered haptic touch module uses a recessed bottom plate, PCB assembly, and piezo support features to balance mobile-device assembly efficiency with serviceability.

A smart window shade keypad uses capacitive input, proximity sensing, and learned override patterns to balance automation, user control, and energy use.

Multiple baseline update procedures keep capacitance proximity sensing accurate during long object presence and environmental drift.

Accelerometer vibration peaks and electrostatic charge checks confirm touch gestures while reducing false positives and power use.

A protruding or recessed virtual knob on the protective layer enables touch control without sacrificing display area or adding mechanical complexity.

An adjustment circuit switches resistor coupling in an LC input support circuit to tune signal intensity while holding resonant frequency stable.

An under-screen optical key projects a touchable key pattern on OLED screens, replacing side buttons without reducing screen area or appearance integrity.

Mixed audio and haptic drive signals are conditioned by actuator and amplifier state to avoid clipping while preserving virtual button feedback.

Press-time recognition lets one physical button handle menu navigation and function execution while simplifying display input hardware.

A proximity sensor lets users wave over a playback device to snooze alarms, pause playback, or mute audio without touch.

Lowering display audio during voice input reduces background interference and improves command recognition accuracy.

Self-mixing optical proximity sensors capture tiny finger-skin movements for more comfortable, precise input and feedback in wearable control.

Combining capacitive and infrared sensing improves proximity-triggered icon illumination in playback devices under ambient light and false-trigger conditions.

Color-specific compression in peripheral display regions cuts bandwidth and computing load while keeping the gaze-focused area at high resolution.

Misaligned electrode matrices let touch keyboards sense non-press finger movement across uneven key layouts with simpler, thinner circuitry.

Floating non-addressed rows and columns during phased voltage driving reduces parasitic haptic effects and sharpens targeted feedback.

Charge contacts double as a touch sensor, using impedance thresholds to reject water and other conductive false touches in ear-worn devices.

Multiple delay clock levels split drive-signal delay into sequential phases, cutting register count and storage overhead in delay circuits.

Built-in sensors detect portrait or landscape use and adjust each speaker's EQ and phase response for more consistent playback quality.

Combining capacitance and strain-based force sensing helps cover touch inputs reject water false signals while capturing touch force and position.

Movement and proximity signals are combined to distinguish human bodies from objects, avoiding unnecessary power reduction in electronic devices.

A controller coordinates haptic output and input sensing to cut vibration-induced interference and latency for cleaner tactile feedback.

Replacing moving parts with solid-state touch and proximity sensing simplifies sealing and improves switch durability in outdoor systems.

A protrusion around the piezoelectric element supports the base while preserving vibration space, increasing displacement and tactile feedback.

A simulated drift signal mirrors heat-related sensor drift, enabling accurate proximity correction with less unnecessary sensing power.

Combining tactile switches with capacitive touch sensing expands wall control button layouts while preserving click feedback and lowering switch complexity.

A tactile grid on a pressure plate lets users select multimedia functions by finger position without looking at a screen, reducing input complexity.

Near-field resonant LC sensing replaces cameras to track facial gestures reliably despite masks, headbands, facial hair, and other occlusions.

Capacitive proximity sensing enables contactless product selection while checking dwell time and field strength to avoid false dispensing.

By isolating actuator motion from the housing, this haptic input structure cuts power use while delivering clear vibration feedback.

Filtered accelerometer signals, peak detection, and stationarity checks validate touch gestures with fewer false positives and lower energy use.

An interlaced composite electrode module combines capacitive touch sensing and lighting in one layer to improve keyboard accuracy and reduce thickness.

A correction unit models material stress relaxation to clean up force sensor output and improve button press detection accuracy.

Inductive sensing coils replace bulky mechanical switches to enable sealed, pressure-sensitive wearable input with better durability.

A modular capacitive HMI uses spacer-defined button zones and integrated lighting to simplify assembly, cut cost, and improve touch feedback.

Frequency-band decoding cuts tactile signal data by assigning fewer bits to less perceptible bands while preserving reproducibility.

Integrated key-top and edge touch sensing lets one keyboard handle typing, cursor control, and gestures without disruptive mode switching.

Rear, side, and front touch sensors are mapped as combined inputs so mobile devices can support one-handed gesture control with less screen focus.

Short-click and long-press input on one physical button simplifies display menu control while reducing PCB area and switch cost.

RF coupling between active and passive resonant circuits lets one drum sensor detect hit position and velocity for more responsive sound output.

An inward-facing capacitive and pressure input lets a ring-like wearable capture finger gestures without grasping, keeping control compact and hands-free.

Narrow resilient links between sensor regions let keys deform independently, preserving tactile feel without interfering with keycap motion.

Electrical sensing distinguishes real skin contact from proximity by checking signal amplitude and waveform distortion, even out of view.

Selective row-column driving leaves non-addressed lines floating to suppress parasitic haptic effects and sharpen feedback in matrix interfaces.

Magnetic components and sensors vary key travel and actuation force to match user typing preferences and improve comfort.

Non-metallic conductive grip electrodes enable lightweight, moldable hand position sensing with simpler assembly and wider gesture motion.

Built-in sensors detect whether a speaker faces toward or away from a surface, then switch EQ settings to stabilize bass, treble, and resonance.