Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
215 words
A low voltage control system for selectively turning on and off one or more of a plurality of electrical devices used in the operation of a spa, and which devices operate at around 120/230 VAC, comprising a plurality of low voltage activated electrical circuits, each electrical circuit operating one of said electrical devices, each electrical circuit including: (a) a relay coupling said electrical device to a power source of 120/230 volts AC, (b) a low voltage momentary contact switch having a low voltage lamp electrically connected thereto to indicate when said switch is energized, (c) dual flip-flop means coupled to said switch to act as a flip-flop, said dual flip flop means further constituting a (d) debounce means connected to said switch; (e) a high frequency decoupling capacitor connected to said switch to filter out any high frequency components of the electrical signal that can arise as a result of the relay switching, (f) transistor means coupled between said flip-flop means, said relay for energizing said flip-flop means when said switch is actuated, (g) a power supply including transforming, rectifying and voltage regulation means for providing low voltage operating power for said flip-flop means and said transistor means, and (h) a zener diode voltage overload means electrically connected to said relay and to said lamp.
Claim 2
Dependent Claim
215 words
A low voltage control system for selectively turning on and off one or more of a plurality of electrical devices used in the operation of a spa, and which devices operate at around 120/230 VAC, comprising a plurality of low voltage activated electrical circuits, each electrical circuit operating one of said electrical devices, each electrical circuit including: (a) a relay coupling said electrical device to a power source of 120/230 volts AC, (b) a low voltage momentary contact switch having a low voltage lamp electrically connected thereto to indicate when said switch is energized, (c) dual flip-flop means coupled to said switch to act as a flip-flop, said dual flip flop means further constituting a (d) debounce means connected to said switch; (e) a high frequency decoupling capacitor connected to said switch to filter out any high frequency components of the electrical signal that can arise as a result of the relay switching, (f) transistor means coupled between said flip-flop means, said relay for energizing said flip-flop means when said switch is actuated, (g) a power supply including transforming, rectifying and voltage regulation means for providing low voltage operating power for said flip-flop means and said transistor means, and (h) a zener diode voltage overload means electrically connected to said relay and to said lamp.
Claim 3
Dependent Claim
17 words
The invention of claim 1 and wherein said flip-flop means comprises a pair of D type flip-flops.
Claim 4
Dependent Claim
19 words
The invention of claim 1 and further including an incandescent light bulb for indicating if said relay is energized.
Claim 5
Dependent Claim
20 words
The invention of claim 3 and further including a AND gate coupled between said flip-flop means and said transistor means.
Claim 6
Dependent Claim
23 words
The control system of claim 1 and wherein said switches are located remote from said relays, and each switch is a momentary switch.
Claim 7
Dependent Claim
18 words
The control system of claim 1 wherein the switches are interconnected by a multiconductor cable to the relays.
Claim 8
Dependent Claim
49 words
The control system of claim 1 wherein one of said circuits operates a heater and one of said circuits operates a circulation pump, and further including timing circuitry electrically connected to said pump circuit and said heater circuit, to simultaneously activate said pump circuit when said heater is activated.
Claim 9
Dependent Claim
27 words
In the system of claim 7 further including timing to maintain said pump circuit in an energized state for a finite time after said heater is de-energized.
Claim 10
Dependent Claim
32 words
In the system of claim 8 wherein the system contains four switches, one each for the heater, circulating pump, air blower and jets, all of which are push button momentary contact switches.
Claim 11
Dependent Claim
22 words
The low voltage control system of claim 1 further including a current limiting resistor coupled between said switch light and said transistor.