Alarms TRIZ Cases

A foot-worn system fuses force sensor and inertial measurement unit data to predict falls.

Oblique ultrasonic signal reflection off a detector base prevents shadowing and thermal interference from nearby objects.

Unified smart home mesh networks resolve visitor handling inefficiencies by merging separate security devices into a single communicating system.

Passive radar monitoring automatically detects falls and assesses health risks without manual activation, enabling timely alerts for elderly individuals.

A multimodal indicator safety device uses electronic sensors to measure ladder inclination and provide active feedback.

Emergency transceivers transmit spread-spectrum distress messages using variable power levels and spreading factors to maintain covert operation.

Occupancy models process sensor signals to determine appropriate security modes, eliminating unnecessary alerts from improper manual settings.

An automated platform cleans and enriches training data to build predictive models without professional expertise.

A monitoring device connects a reference resistor to power supply lines to simulate reporting events and detect system responses.

A radar device detects target masking by comparing reception signals against a distance-based reference function within a near-field subrange.

IoT tags detect item distances and trigger alerts when proximity rules are violated, eliminating manual checks.

Segmented sensor channels analyze environmental changes to distinguish living occupants from objects, preventing heat-related hazards.

A monitoring system analyzes event data from multiple sensors to generate a probability indication of an alarm event.

A gas detection system replaces individual detector icons with cluster icons to simplify the central monitoring display.

Integrated end elements enable line monitoring in smoke switches, preventing corrosion detection failures and component loss during installation.

Segmenting pre-configured and additional alarm set points resolves the contradiction between system reliability and user adaptability in HVAC monitoring.

Frequency-based detection distinguishes stray currents from background noise, reducing false alarms while extending reliable sensing range in conductive fluids.

Sensors monitor focus distance and duration to prompt users away from near objects, reducing eye strain while maintaining work efficiency.

A self-organizing map accumulates detection data with large node distances before issuing warnings.

Differentiates weather icons by flight path proximity to reduce crew decision-making time and minimize distraction from irrelevant altitude data.

Accelerometer-equipped communication nodes detect seismic activity to identify hazards, bypassing ineffective GPS and visual observation below ground.

Segmented alarm pulls and wearable pendants provide precise location data to first responders, reducing notification response time for security threats.

A redundant wireless electronic monitoring system uses a mesh network to track vehicle position and detect tampering attempts on the chassis.

Integrated gyro and acceleration sensors in a wearable module detect gaze deviations to trigger immediate safety alerts.

Mobile monitoring units transmit takeover instructions to assume alarm signal reception, preventing single-point failures in centralized guard posts.

Wireless sensor networks monitor pipes and valves to reduce labor-intensive manual inspections while ensuring accurate emission tracking.

A detection network analyzes temporal sequences of silhouette distances from topographic views to identify risky behavior patterns.

An announcement section outputs sound signals indicating bias determination completion, eliminating visual line deviations during swing analysis.

A helmet-mounted safety apparatus integrates temperature sensing, visual alarms, and wireless transceivers to resolve reliability versus complexity trade-offs.

A headwall unit controller monitors wireless communication links between patient support apparatuses and nurse call systems.

Segmented alerting channels transmit warnings to multiple devices, preventing unattended occupants from remaining in overheating vehicles.

A danger determining device tracks movable articles and persons to identify hazardous combinations.

Central unit detects frequency offsets in RF security nodes, compensating for crystal drift to extend communication range and reduce battery drain.

Merges building management data with access logs to confirm technician location and duration, resolving unreliable service documentation.