LED lighting devices having a control system operative in multiple modes
First Claim
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1. A lighting device including:
- an LED light source operable by electric power supplied to the lighting device;
a control system; and
a connector configured to connect the lighting device to an external power supply, the control system being operable in at least two modes, in a first mode the control system being transparent so that power supplied to the connector is passed by the control system to the light source, and in a second mode the control system supplying power from the connector to the LED light source only on receipt by the control system via the power supply of a signal identifying said lighting device.
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Abstract
A lighting device includes an LED light source (20) operable by electric power supplied to the device, and a control system (23) receiving electric power from an external power supply (26) and supplying power to the light source (20). The control system (23) also being operable of operating in a second mode to supply power to the light source (20) only on receipt by the control system (23) via the power supply (26) of a signal identifying said device. Thus the device (24) can be incorporated in a conventional lighting circuit or a circuit in which the devices (24) are individually controlled.
19 Citations
16 Claims
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1. A lighting device including:
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an LED light source operable by electric power supplied to the lighting device; a control system; and a connector configured to connect the lighting device to an external power supply, the control system being operable in at least two modes, in a first mode the control system being transparent so that power supplied to the connector is passed by the control system to the light source, and in a second mode the control system supplying power from the connector to the LED light source only on receipt by the control system via the power supply of a signal identifying said lighting device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification