Apparatus and system for providing power to solid state lighting
First Claim
1. An apparatus comprising:
- a primary module including a transformer having a transformer primary;
a first secondary module including a first transformer secondary magnetically coupled to the transformer primary;
a second secondary module including a second transformer secondary magnetically coupled to the transformer primary; and
a third secondary module including a third transformer secondary magnetically coupled to the transformer primary;
wherein a first terminal of a first load is coupled to the first secondary module and a second terminal of the first load is coupled to the second secondary module;
wherein a first terminal of a second load is coupled to the second secondary module and a second terminal of the second load is coupled to the third secondary module; and
wherein current flowing between the first secondary module and the third secondary module is configured to flow through the first and second loads.
2 Assignments
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Accused Products
Abstract
An apparatus and computer readable storage medium are disclosed for supplying power to a load such as a plurality of light emitting diodes. A representative apparatus comprises a primary module, a first secondary module couplable to a first load, and a second secondary module couplable to a second load. The primary module comprises a transformer having a transformer primary. The first secondary module comprises a first transformer secondary magnetically coupled to the transformer primary, and the second secondary module comprises a second transformer secondary magnetically coupled to the transformer primary, with the second secondary module couplable through the first or second load to the first secondary module.
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Citations
51 Claims
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1. An apparatus comprising:
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a primary module including a transformer having a transformer primary; a first secondary module including a first transformer secondary magnetically coupled to the transformer primary; a second secondary module including a second transformer secondary magnetically coupled to the transformer primary; and a third secondary module including a third transformer secondary magnetically coupled to the transformer primary; wherein a first terminal of a first load is coupled to the first secondary module and a second terminal of the first load is coupled to the second secondary module; wherein a first terminal of a second load is coupled to the second secondary module and a second terminal of the second load is coupled to the third secondary module; and wherein current flowing between the first secondary module and the third secondary module is configured to flow through the first and second loads. - 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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21. A lighting system comprising:
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a primary module including a transformer having a transformer primary; a first light emitting diode; a second light emitting diode; a first secondary module coupled to the first light emitting diode, wherein the first secondary module includes a first transformer secondary magnetically coupled to the transformer primary; a second secondary module coupled to the second light emitting diode, wherein the second secondary module includes a second transformer secondary magnetically coupled to the transformer primary, and wherein the second secondary module is directly coupled through the first or second light emitting diode to the first secondary module such that current flowing between the second secondary module and the first secondary module is configured to flow through the first or second light emitting diode; a current sensor configured to sense a current level; and a controller coupled to the current sensor and to the primary module, wherein the controller is configured to regulate a transformer primary current in response to the sensed current level. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. An apparatus comprising:
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a primary module including a transformer having a transformer primary; a first secondary module coupled to a first light emitting diode of a plurality of light emitting diodes, wherein the first secondary module includes; a first transformer secondary magnetically coupled to the transformer primary; a first rectifier coupled to the first transformer secondary; and a first filter coupled to the first rectifier; a second secondary module coupled to a second light emitting diode of the plurality of light emitting diodes, wherein the second secondary module is couplable through the first or second light emitting diode to the first secondary module, and wherein the second secondary module includes; a second transformer secondary magnetically coupled to the transformer primary; a second rectifier coupled to the second transformer secondary; and a second filter coupled to the second rectifier; a current sensor configured to sense a current level; and a controller coupled to the current sensor and to the primary module, wherein the controller is configured to regulate a transformer primary current in response to the sensed current level. - View Dependent Claims (40, 41, 42, 43, 44, 45)
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46. A computer-readable storage medium having instructions stored thereon that, in response to execution by a computing device, cause the computing device to:
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route current from a first secondary module to a first light emitting diode coupled to the first secondary module to generate a first voltage across the first light emitting diode having an opposing polarity to a second voltage across the first secondary module; route current from the first light emitting diode to a second secondary module coupled to the first light emitting diode; route current from the second secondary module to a second light emitting diode coupled to the second secondary module to generate a third voltage across the second light emitting diode having an opposing polarity to a fourth voltage across the second secondary module; and route current from the second light emitting diode to the first secondary module or to a third secondary module coupled to the second light emitting diode. - View Dependent Claims (47, 48, 49, 50, 51)
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Specification