Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1995-03-15
1995-12-05
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
34030915, 340529, 340540, 340573, G08B 1308
Patent
active
054733103
ABSTRACT:
A pool guard alarm provides constant security at the entrance to a pool using a delayed alarm to allow access to the pool area by authorized persons. Younger, unsupervised children are indicated by the alarm since a reset button located at least 5 feet above the ground must be pressed within 10 seconds of the opening of the gate or door. The alarm is battery-operated and cannot be turned off. A magnetic sensor is used to detect entrance to the indoor or outdoor pool area.
REFERENCES:
patent: 4335376 (1982-06-01), Marquardt
patent: 4851814 (1989-07-01), Rehberg
patent: 4920333 (1990-04-01), Barr et al.
patent: 5289534 (1994-02-01), Lester et al.
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