Electric/Electromagnetic Visible Signalling TRIZ Cases

See how a wireless alarm system integrated into retail display hooks deters theft without locke

See how energy emitter and sensing devices detect mail delivery state transitions and transmit

See how wireless field modules use distance and direction recognition to enable semi-automatic

A chair lockout signal blocks coordinated mattress deck movement into chair egress while preserving individual actuator control for patient recovery.

Sensors detect bed-exit movement and trigger adjustable lighting only when needed, reducing injury risk and unnecessary energy use.

Interleaved ferrite RFID antenna fields read garment tags in any orientation, improving laundry sorting, sequencing, and delivery accuracy.

Built-in authentication and seller-terminal communication allow payments only for genuine tobacco articles and authorized users.

Multi-sensor in-cabin monitoring detects living beings and dangerous environmental conditions, then triggers vehicle and remote alerts without owner input.

Smart tags, readers, hubs, and waypoints automate PPE compliance checks, access authorization, and noncompliance alerts in hazardous work areas.

Real-time comparison of predicted and required rotation speed flags weak takeoff performance early enough to support reject-or-continue decisions.

Precomputed rotation targets and takeoff-roll speed prediction expose underperformance before rotation, helping pilots decide whether to reject takeoff.

A rotatable multi-chamber container lets users switch aerosol media without cartridge replacement while sensor feedback reports chamber arrangement and usage.

Targeted sound and light responses help autonomous vehicles detect and deter wildlife, pets, and malicious actors before interference occurs.

Pre-registered occupant data and wireless rescue tags give first responders accurate home occupancy information during emergencies.

Server-managed session keys and audio or visual cues enable secure short-range file sharing with minimal user involvement.

Automatic compatibility checks identify remotely operable board work machines and notify workers before use to avoid time-consuming setting checks.

Infrared and time-of-flight sensing tracks fixture use and occupancy patterns to schedule restroom cleaning with less user disruption.

When a wearable camera indicator light fails, the device switches to an alternative alert to maintain activation notice and privacy protection.

A size-matched sorting jig blocks oversized battery cells, triggers an alarm, and enables automatic removal during transfer.

A size-matched sorting jig and guide protrusions expose oversized battery cells during transfer, enabling real-time alarm and removal.

When passengers are trapped, verified remote control bypasses safety contacts and activates a rescue drive without waiting for site arrival.

Modular image, audio, infrared, ultrasonic, and location sensing detects hazards while selective activation limits device complexity and energy use.

Coupling detection and heater-temperature feedback verify wick absorption or liquid exhaustion before aerosol generation.

Cumulative listening-time tracking compares wearable audio exposure with thresholds and alerts users before prolonged use increases hearing risk.

Motion sensors, a credential reader, speakers, and visual indicators prompt credential use and support tamper detection at access points.

A monitoring system uses physical visual indicators to show attention direction, making ambient sound capture more transparent to users.

A remote service system verifies the correct elevator, then securely connects to its controller for rescue operations.

A single transducer uses reflected ultrasound to identify article type and guide heater operation, reducing sensor-system complexity.

This case compares electrode and noise power spectra to alert surgical teams to disconnections and protect EMG signal accuracy.

A SoC infrastructure coordinates microcontroller and host circuitry to adapt LED patterns to fan speed and thermal conditions.

AC plug detection and timer comparison pair each patient bed with its wall unit, improving location accuracy and limiting cable damage.

Endpoint system visual indicator detects audio communication suspension to notify users without requiring continuous listening.

Base station forwards digital images from sensors to cellular telephones, resolving limited event verification capability in home security systems.

A wireless alerting system synchronizes alarm cadences using beacon messages and periodic synchronization pulses across multiple devices.

Portable electronic devices store location data on a server to enable asset tracking when network connectivity is lost.

Local clock offset alignment synchronizes smartphone screens for light shows, bypassing network capacity limits at large venues.

A capacitive touch sensor detects user contact to trigger emergency signals without mechanical button pressing.

Segmented motion detectors filter false alarms and trigger automated lighting to guide dementia patients, reducing caregiver burden.

A handheld locating device determines item image orientation relative to a housing axis or gravitational acceleration using an integrated computation unit.

Wireless AR devices track guard positions and overlay detection data to resolve the contradiction between rapid response times and system complexity.

Controller detects uplink degradation and adjusts data rates to prevent session interruption in marginal coverage areas.

A wall-mounted exit sign pivots outward via a motor assembly to increase visibility.

A fire alarm system counts individuals per zone and displays event data alongside occupancy numbers.

Voltage control oscillator generates oscillating signals via injection-locking to detect physiological parameters.

Signal-attenuating cells isolate RFID responses to locate specific tagged objects among visually similar items.

Environmental sensors embedded in RFID tags monitor temperature and pressure changes to distinguish theft from legitimate handling.

Online analytical processing cubes correlate dataset, asset, and temporal data to detect cyber threats early.

An environmental monitoring device with multiple sensors employs AI logic to auto-calibrate readings, reducing calibration frequency while maintaining accuracy.

Automated camera system extracts vehicle and driver features to retrieve identity data, preventing drive-offs and loss at fueling stations.

Positioning light sources behind the diaphragm preserves acoustic resonance while transmitting illumination through the tubular wall.

Integrated sensor arrays anticipate safety events by analyzing movement, physiological, and environmental data to reduce false alarms.

Color-coded LEDs provide real-time feedback on cable placement accuracy, reducing installation errors in complex multi-node systems.

Computing devices defer alert output based on a threshold time to consolidate multiple notifications into a single signal.

A care call button uses normally open and closed switches to detect faults via distinct signal paths.