ELECTRIC APPLIANCE CONTROL
First Claim
1. An electric appliance control, for turning off an electric appliance operating in an indoor space, the electric appliance control comprising:
- a light sensor, for continuously sensing the light intensity in said indoor space;
a fall detector, for detecting a fall in the light intensity sensed by said light sensor, wherein said fall being a negative relative change in light intensity during a period of hundredths of second;
a switch, for disconnecting the electrical power supply to said electric appliance; and
a control unit, for activating said switch to disconnect said power supply upon detecting a fall in light intensity by said fall detector.
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Accused Products
Abstract
In one aspect, the present invention is directed to an electric appliance control for turning off an electric appliance operating in an indoor space, the electric appliance control comprising: a light sensor, for continuously sensing the light intensity in the indoor space; a fall detector, for detecting a fall in the light intensity sensed by the light sensor, wherein the fall being a negative relative change in light intensity during a period of hundredths of second; a switch, for disconnecting the electrical power supply to the electric appliance; and a control unit, for activating the switch to disconnect the power supply upon detecting a fall in light intensity by the fall detector.
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Citations
20 Claims
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1. An electric appliance control, for turning off an electric appliance operating in an indoor space, the electric appliance control comprising:
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a light sensor, for continuously sensing the light intensity in said indoor space; a fall detector, for detecting a fall in the light intensity sensed by said light sensor, wherein said fall being a negative relative change in light intensity during a period of hundredths of second; a switch, for disconnecting the electrical power supply to said electric appliance; and a control unit, for activating said switch to disconnect said power supply upon detecting a fall in light intensity by said fall detector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A control method for turning off an electric appliance operating in an indoor space, the method comprising the steps of:
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continuously sensing light intensity in said indoor space; and upon detecting a fall in light intensity in said indoor space, disconnecting the electrical power supply to said electric appliance, wherein said fall being a negative relative change in light intensity during a period of hundredths of second. - View Dependent Claims (18, 19, 20)
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Specification