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.