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US 10,311,699 B2Granted
Swimming pool entrance detector
OwnerAmos Tepperinventor
Life of this patent
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Abstract
A swimming-pool entrance detector (10a), including: means (50) for disposing the swimming-pool entrance detector (10a) in water of a swimming pool (12) above the ground (56) thereof; and a first optical sensor (30), for receiving optical rays (40a1, 40a2), thereby receipt of the optical rays (40a1, 40a2) may indicate presence of at least one opening (14a) in a cover (18) of the swimming pool (12).
Claims8
A swimming-pool entrance detector (10a), comprising:
- means (50) for disposing said swimming-pool entrance detector (10a) in water of a swimming pool (12) above a ground (56) thereof, and
- a first optical sensor (30), for receiving optical rays (40a1, 40a2),
- wherein said first optical sensor (30) is disposed facing a ground (56), for receiving optical rays (40a2) reflected therefrom,
- thereby receipt of said optical rays (40a1, 40a2) indicates presence of at least one opening (14a) in a cover (18) of the swimming pool (12), and
- thereby said indication of the presence of the least one opening (14a) in the cover (18) of the swimming pool (12), is obtained even in case said swimming-pool entrance detector (10a) is covered by the cover (18).
2 more elements
Dependencies are inferred from the claim text.