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US 3,979,601 AGranted
Combination dimmer and timer switch mechanism
OwnerRobert C. Franklininventor
Life of this patent
Estimating the term…
Abstract
A combination switch for use in a standard wall receptacle for controlling the range of power supplied to the receptacle and also for turning on and off the power to the receptacle in accordance with a predetermined time sequence.
Claims8
A combination for controlling power flow from an electrical power source through an electrical circuit to an electrical powered device, said combination comprising:
- a dimmer control connected in the circuit for regulating the magnitude of power flow to the device;
- a secondary on-off switch for interrupting power flow from the dimmer control to the device;
- an electrical timer circuit with means for actuating said secondary switch according to a predetermined timed sequence, said electrical timer circuit including input power terminals connected across said dimmer control for utilization of the voltage drop thereacross for energizing the electrical timer circuit.
A combination switch mechanism comprising:
- main input and output terminals for receiving an alternating current input signal;
- a dimmer control including power input and output terminals for connection in series between one A.C. supply input wire and an appropriate electrical load, respectively, and including a regulating mechanism for adjusting the magnitude of power flow from the main input to the output terminals between the ranges of a maximum power setting to a minimum power setting, said maximum power setting including a minimum voltage drop across said dimmer control;
- a primary on-off switch connected for interrupting the flow of power from the input to the output terminal of said dimmer control when in the off position and permitting power flow between said terminals and through the dimmer control when in the on position;
- a timer mechanism including an electrical timing circuit, said timer mechanism being connected and programmable for interrupting power flow between the input and output terminals of said dimmer control in accordance with a predetermined timed sequence, said timer mechanism including a pair of power input terminals, one connected to each terminal of the dimmer control and energized by the voltage drop across the dimmer control.
1 more element
Dependencies are inferred from the claim text.