Young children swimming pool alarm system having floating sealed transmission unit/detection element with light slope mercury ball switches child fall closing/receiver alarm setting

摘要

The alarm mechanism has a floating sealed transmission unit with a detection element and transmitter unit. There is a radio receiver with an alarm. The detection element has several mercury bulb switches with a light slope compared to horizontal. A mercury ball (50) closes a contact. If a body falls in the water the mercury ball moves, setting off radio transmissions.