Individually addressable dimmer systems and methods
View Patent ↗Systems and methods for of dimming generally considered to be non-dimmable with conventional dimmers. An exemplary dimming module accepts a power source for a light source and a dimming signal. The dimming module modifies the power signal and generates a modified power signal capable of dimming LED light sources (and other light sources) that are generally considered to be non-dimmable with conventional dimmers. The dimming signal can be a wireless signal. Exemplary embodiments include a computer application executing on a computer or handheld computer that can be used to remotely dim, via the dimming module, one or more LED light sources (and other light sources) that are generally considered to be non-dimmable with conventional dimmers.
1. An apparatus, comprising:
at least one controllable switch electrically connected between an input signal and an output, wherein the input signal can be either a DC input signal or an AC input signal;
a receiver configured to receive a dimming signal, the dimming signal being electrically distinct from the input signal, and transmit a dimming control signal;
where the input signal is selected from a list consisting of: a DC input signal, and an AC input signal; and
logic configured to accept the dimming control signal and transmit a switch control signal at a frequency of 200-20,000 Hz when the input signal is a DC input signal or transmit a switch control signal at a frequency of 600-20,000 Hz when the input signal is an AC input signal,
wherein the switch control signal controls the at least one controllable switch to generate a modified power signal output at output terminals to power and dim a separate, downstream light source generally considered to be non-dimmable with conventional dimmers.
2. The apparatus of claim 1 , wherein the dimming signal is a wireless signal and the receiver is a wireless receiver.
3. The apparatus of claim 1 , further comprising an input signal monitor that monitors a parameter of the input signal and generates a monitor signal that is used by the logic to automatically adjust the modified power signal output to compensate for a detected difference in that input signal parameter.
4. The apparatus of claim 1 , further comprising an input signal monitor that monitors a parameter of the input signal and generates a monitor signal that used by the logic to automatically adjust the modified power signal output upwards a degree corresponding to a degree the input signal differs from the nominal value for that input signal parameter.
5. The apparatus of claim 1 , further comprising a voltage monitor that determines a voltage of the input signal and generates a voltage monitor signal that used by the logic to automatically adjust the modified power signal output upwards a degree corresponding to a degree the input voltage differs from the nominal voltage for that input signal.
6. The apparatus of claim 1 , wherein the switch is switched at a frequency of between 600 and 2000 Hz.
7. The apparatus of claim 1 , further comprising a switch frequency control with which a user can adjust the frequency the switch is cycled, and thus the frequency of the modified power signal is cycled, to adjust the appearance of the light source generally considered to be non-dimmable with conventional dimmers.
8. The apparatus of claim 7 , wherein the switch frequency control is a hardware device with which a user can adjust the frequency the switch is cycled, and thus the frequency of the modified power signal is cycled, to adjust the appearance of the light source generally considered to be non-dimmable with conventional dimmers.
9. The apparatus of claim 7 , wherein the switch frequency control is generated from a value wirelessly transmitted to the wireless receiver to adjust the appearance of the light source.
10. The apparatus of claim 1 , further comprising an enclosure having a threaded opening on one side and a threaded projection on the other side to couple in-between and mechanically secure to a lighting fixture and a lighting stake and provide controllable dimming for the lighting fixture.
11. The apparatus according to claim 1 , wherein the apparatus further comprising a stored identifier; wherein the dimming signal includes an identifier of one or more light sources to be dimmed via the dimming signal; and wherein the receiver is configured to receive the dimming signal, determine the identifier associated with the received dimming signal, compare its respective identifier to the received identifier, and transmit a dimming control signal responsive to the received identifier matching the received identifier.
12. The apparatus of claim 1 , wherein the controllable switch comprises a MOSFET having a gate, a source, and a drain connection, the drain connection being connected to the modified power signal output, and wherein the logic comprises:
a microcontroller unit having
a switcher control signal input electrically connected to the receiver,
a frequency control signal input electrically connected to the receiver,
a switcher control line output electrically connected to the gate of the controllable switch;
a power circuit electrically connected to the microcontroller unit and the receiver to supply power to both the microcontroller unit and the receiver; and
a full wave rectifier electrically connected between the input and the source of the controllable switch, the full wave rectifier also being electrically connected to the power circuit.
13. The apparatus of claim 1 , further comprising a voltage monitor that determines a voltage of the input signal and generates a voltage monitor signal that used by the logic to automatically adjust the modified power signal output upwards a degree corresponding to a degree the input voltage differs from the nominal voltage for that input signal;
wherein the switch is switched at a frequency of between 600 and 2000 Hz;
further comprising a switch frequency control with which a user can adjust the frequency the switch is cycled to adjust the appearance of the light source; and
wherein the apparatus further comprising a stored identifier; wherein the dimming signal includes an identifier of one or more light sources to be dimmed via the dimming signal; and wherein the receiver is configured to receive the dimming signal, determine the identifier associated with the received dimming signal, compare its respective identifier to the received identifier, and transmit a dimming control signal responsive to the received identifier matching the received identifier.
14. The apparatus of claim 13 , wherein the controllable switch comprises a MOSFET having a gate, a source, and a drain connection, the drain connection being connected to the modified power signal output, and wherein the circuitry comprises:
a microcontroller unit having
a switcher control signal input electrically connected to the receiver,
a frequency control signal input electrically connected to the receiver,
a switcher control line output electrically connected to the gate of the controllable switch;
a power circuit electrically connected to the microcontroller unit and the receiver to supply power to both the microcontroller unit and the receiver; and
a full wave rectifier electrically connected between the input and the source of the controllable switch, the full wave rectifier also being electrically connected to the power circuit.
15. The apparatus of claim 13 , further comprising an enclosure having a threaded opening on one side and a threaded projection on the other side to couple in-between and mechanically secure to a lighting fixture and a lighting stake and provide controllable dimming for the lighting fixture.
16. The apparatus of claim 13 , wherein the dimming signal is a wireless signal and the receiver is a wireless receiver and wherein the switch frequency control is generated from a value wirelessly transmitted to the wireless receiver to adjust the appearance of the light source.
17. The apparatus of claim 13 , wherein the controllable switch comprises a MOSFET having a gate, a source, and a drain connection, the drain connection being connected to the output, and wherein the logic comprises:
a microcontroller unit having
a switcher control signal input electrically connected to the receiver,
a frequency control signal input electrically connected to the receiver,
a switcher control line output electrically connected to the gate of the controllable switch;
a power circuit electrically connected to the microcontroller unit and the receiver to supply power to both the microcontroller unit and the receiver; and
a full wave rectifier electrically connected between the input and the source of the controllable switch, the full wave rectifier also being electrically connected to the power circuit; and
further comprising an enclosure having a threaded opening on one side and a threaded projection on the other side to couple in-between and mechanically secure to a lighting fixture and a lighting stake and provide controllable dimming for the lighting fixture; and
wherein the dimming signal is a wireless signal and the receiver is a wireless receiver; and
wherein the switch frequency control is generated from a value wirelessly transmitted to the wireless receiver to adjust the appearance of the light source.
18. An apparatus, comprising:
at least one controllable switch electrically connected between an input signal and an output, wherein the input signal can be either a DC input signal or an AC input signal;
a receiver configured to receive a dimming signal that is electrically distinct from the input signal, and transmit a dimming control signal;
logic configured to accept the dimming control signal and transmit a switch control signal;
a voltage monitor that determines a voltage of the input signal and generates a voltage monitor signal that is used by the logic to automatically adjust a modified power signal output upwards a degree corresponding to a degree the input voltage differs from the nominal voltage for that input signal;
wherein the switch control signal controls the at least one controllable switch to generate the modified power signal output at output terminals to power and dim a separate, downstream light source generally considered to be non-dimmable with conventional dimmers; and
a switch frequency control with which a user can adjust the frequency the switch is cycled to adjust the appearance of a light source.
19. The apparatus of claim 18 , wherein the input signal is a DC input signal and the switch control signal operates at a frequency of 200-20,000 Hz.
20. The apparatus of claim 18 , wherein the input signal is an AC input signal and the switch control signal operates at a frequency of 600-20,000 Hz.