Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1999-11-30
2000-10-03
Hofsass, Jeffrey A.
Communications: electrical
Condition responsive indicating system
Specific condition
3405736, 340539, 340604, 4495, 4496, 4498, G08B 2300
Patent
active
061279307
ABSTRACT:
An automatically inflatable mattress adapted to rest on a bottom of a swimming pool in its deflated position and inflates using compressed air pumped through air inflation lines that are coiled around spring loaded hose reels. A microprocessor actuates a compressed air pump as a person interrupts a signal pattern produced by microwave sensors disposed around the perimeter of the swimming pool. The mattress uniformly rises up to the surface of the swimming pool to catch a distressed individual whose motion is detected after falling into the water.
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Hofsass Jeffrey A.
Nguyen Hung
LandOfFree
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