Dimmer Output Emulation
First Claim
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1. An apparatus comprising:
- a dimmer output voltage emulator configured to cause a power converter interface circuit to generate an emulated dimmer output voltage, wherein the emulated dimmer output voltage emulates part of a cycle of an alternating current dimmer output voltage of a dimmer.
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Abstract
A lighting system includes a dimmer output voltage emulator to cause a power converter interface circuit to generate an emulated dimmer output voltage. In at least one embodiment, the emulated dimmer output voltage corresponds to an actual dimmer output voltage but is unaffected by non-idealities in the dimmer output voltage, such as premature shut-down of a triac-based dimmer. By generating an emulated dimmer output voltage, the energy delivered to a load, such as a lamp, corresponds to a dimming level setting.
43 Citations
20 Claims
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1. An apparatus comprising:
a dimmer output voltage emulator configured to cause a power converter interface circuit to generate an emulated dimmer output voltage, wherein the emulated dimmer output voltage emulates part of a cycle of an alternating current dimmer output voltage of a dimmer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
causing a power converter interface circuit to generate an emulated dimmer output voltage, wherein the emulated dimmer output voltage emulates part of a cycle of an alternating current dimmer output voltage of a dimmer. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. An apparatus comprising:
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a dimmer; a power converter interface circuit coupled to the dimmer; a dimmer output voltage emulator, coupled to the power converter interface circuit, wherein (i) the dimmer output voltage emulator is configured to cause a power converter interface circuit to generate an emulated dimmer output voltage and (ii) the emulated dimmer output voltage emulates part of a cycle of an alternating current dimmer output voltage of a dimmer; a power converter coupled to the dimmer output voltage emulator; and a controller coupled to the dimmer output voltage emulator and the power converter, wherein the controller is configured to control the power converter in accordance with the emulated dimmer output voltage. - View Dependent Claims (19)
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20. An apparatus comprising:
means for causing a power converter interface circuit to generate an emulated dimmer output voltage, wherein the emulated dimmer output voltage emulates part of a cycle of an alternating current dimmer output voltage of a dimmer.
Specification