Universal Dimmer
First Claim
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1. An apparatus comprising:
- a dimmer operable to control a phase-related characteristic of electrical power from a power input to yield a dimmed signal;
a phase detection circuit operable to detect the phase-related characteristic of the dimmed signal to yield a phase information signal; and
a phase processor operable to generate a dimming control signal based on the phase information signal.
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Abstract
Various embodiments of a universal dimmer are disclosed. In one embodiment of a universal dimmer, a power limiting switch is connected to an input voltage. An output driver in the universal dimmer includes a power input and a load path, with the power input being connected to the input voltage. A variable pulse generator includes a control input and a pulse output, with the control input connected to a control input of the power limiting switch. The pulse output is connected to a control input of the power limiting switch.
111 Citations
20 Claims
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1. An apparatus comprising:
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a dimmer operable to control a phase-related characteristic of electrical power from a power input to yield a dimmed signal; a phase detection circuit operable to detect the phase-related characteristic of the dimmed signal to yield a phase information signal; and a phase processor operable to generate a dimming control signal based on the phase information signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification