A piston-driven power fiber harvests seawater motion to supply semi-permanent electricity for life-jacket GPS and LED functions.
Combining wide-view low-resolution cameras with a rotating high-resolution camera cuts cost while preserving reliable vessel object detection.
Wide low-resolution coverage paired with rotating high-resolution views detects water-surface objects early without the cost of full panoramic high-res imaging.
Networked sound and light beacons guide a person in water to nearby rescue ladders and alert bystanders, even in darkness or drifting currents.
Water-level and inclination sensors trigger annular strap inflation when drowning conditions are detected, improving floatation stability.
A sealed substrate and cover housing a breakable vessel containing illuminable dye and activator.
A landing parachute neck with a reduced cross-section limits airflow and facilitates folding closure to retain inflation.
A reversible coupling device secures submerged buoys using a pressure sensor and control unit to manage attachment states.
Segmented modular components resolve complexity trade-offs while periodic lighting extends visibility after dark.
SASER technique synchronizes acoustic transducers to maximize radiated power from a compact linear array.
Wireless calling system transmits location data to resolve communication capability loss during independent mobility.
A rescue sled assembly integrates buoyant floats with a rigid frame, tethers, and handles to stabilize the device during water operations.
A wearable belt apparatus inflates a helium balloon to signal drowning emergencies.