US3786469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning device for swimming pools or the like
Assignee: IN SPECK CORP
•
Filing: 1972-01-04
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Granted: 1974-01-15
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Expires: 1992-01-04
Abstract
Abstract A movement sensing means carried by a float in the pool is responsive to the movement of the float caused by the waves produced by the falling of an unauthorized object or person into the pool to actuate a wireless transmitter to send a signal to a receiver positioned at a remote location. The receiver, upon receiving the signal, actuates an alarm sounding means which provides a warning signal of the entry of the unauthorized person or object into the pool.
Inventors
- 👤 J Massaro
- 👤 M Massaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/02; G08B21/08; G08B21/084
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
102 words
A warning device for swimming pools or the like comprising a float means adapted to float in a horizontal condition in a pool, means carried on said float means for transmitting a wireless signal in response to a predetermined amount of tilting movement of said float means from said horizontal condition, alarm means remotely located from said signal transmitting means for receiving said transmitted wireless signal and providing an alarm signal in response to the reception of said transmitted signal, and shock absorbing means around the periphery of said float means for cushioning the impact thereof against the side of the pool.
Claim 2
Dependent Claim
102 words
A warning device for swimming pools or the like comprising a float means adapted to float in a horizontal condition in a pool, means carried on said float means for transmitting a wireless signal in response to a predetermined amount of tilting movement of said float means from said horizontal condition, alarm means remotely located from said signal transmitting means for receiving said transmitted wireless signal and providing an alarm signal in response to the reception of said transmitted signal, and shock absorbing means around the periphery of said float means for cushioning the impact thereof against the side of the pool.
Claim 3
Dependent Claim
59 words
A warning device according to claim 1 wherein said signal transmitting means includes a wireless transmitter and circuit means for controlling operation of said transmitter so that when said float means is in said horizontal condition no signal is transmitted and when said float means is tilted said predetermined amount said transmitter is energized to transmit said wireless signal.
Claim 4
Dependent Claim
33 words
A warning device according to claim 2 wherein said circuit means includes a pendulum switch comprising an inverted, vertically arranged conical member and a bob supported on a chain within said conical member.
Claim 5
Dependent Claim
57 words
A warning device according to claim 3 wherein said pendulum switch means includes a guide plate having a hole therein aligned with the vertical axis of said conical member, said chain being arranged to extend through said guide hole whereby said chain and said bob are guided to hang vertically along the axis of said conical member.
Claim 6
Dependent Claim
30 words
A warning device according to claim 4 wherein said circuit means includes a silicon controlled rectifier, said pendulum switch being connected in the gate circuit of said silicon controlled rectifier.
Claim 7
Dependent Claim
25 words
A warning device according to claim 5 wherein said circuit means includes a reed switch connected in the anode-cathode circuit of said silicon controlled rectifier.
Claim 8
Dependent Claim
41 words
A warning device according to claim 6 wherein said alarm means includes a wireless signal receiver, and a silicon controlled rectifier, said wireless receiver being connected in the gate circuit of said silicon controlled rectifier for controlling energization of the same.
Claim 9
Dependent Claim
61 words
A warning device according to claim 4 including means for adjusting the sensitivity of said pendulum switch comprising a rotatable shaft member, means for supporting said chain at its upper end on said shaft so that the rotation of said shaft causes said chain to move vertically to thereby raise and lower said bob along the axis of said conical member.
Claim 10
Dependent Claim
31 words
A warning device according to claim 8 wherein said means for adjusting the sensitivity of said pendulum switch includes dial means associated with said shaft for indicating the angular position thereof.
Claim 11
Dependent Claim
51 words
A warning device according to claim 7 wherein said alarm means includes a power source and a manual switch connected in series with the silicon controlled rectifier, said silicon controlled rectifier being operative when activated with the manual switch closed to maintain the alarm activated until the manual switch is opened.
References Cited (Backward Citations)
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US3257653A
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US3276007A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |