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1. (WO2019063505) CIRCUIT D'ATTAQUE POUVANT ÊTRE COMMANDÉ ET PROCÉDÉ D'ATTAQUE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS:

1. A detection arrangement for determining characteristics of an electronic ballast, wherein the detection arrangement comprises:

standard lamp connection to the electronic ballast;

a detection circuit adapted to determine values of output parameters of the ballast; and

a first interface adapted to couple to an LED lamp and transmit an output signal, based on the determined values of output parameters of the ballast, to the LED lamp wherein the output signal is adapted for being processed so as to adjust a compatibility of the LED lamp and the electronic ballast;

wherein the detection arrangement is a dummy lamp and is formed separately to the LED lamp.

2. A detection arrangement according to claim 1, wherein the first interface is adapted to couple to the LED lamp either directly, or via an intermediary device to be used with the detection arrangement and the LED lamp.

3. A detection arrangement according to any of claims 1 or 2, wherein the output signal provides:

one or more of an impedance, an output frequency, an output current, or an output voltage of the electronic ballast;

identifying information of the electronic ballast, said identifying information identifying a model, type or an identity of the electronic ballast, wherein the detection arrangement further comprises a controller adapted to determine, based on the output parameters of the electronic ballast, the model or the identity of the electronic ballast using pre-stored data or by communicating with an external server; or

suitable values for components of an adjustable impedance circuit of a lighting driver, wherein the detection arrangement further comprises a controller adapted to determine, based on the output parameters of the electronic ballast, the suitable values for components using pre-stored data or by communicating with an external server.

4. A detection arrangement according to any of claims 1 to 3, further comprising: an LED emulation unit adapted to emulate an LED light arrangement having an LED light source,

and the detection circuit is adapted to determine values of output parameters of the ballast to be used with the LED lamp or the emulated LED lamp.

5. A detection arrangement according to claim 4, wherein the output signal provides suitable values for components of an adjustable impedance circuit of a lighting driver,

wherein the detection arrangement is further adapted to iteratively:

change values for components of the LED lamp or LED emulation unit,

determine the current provided to the LED light source of the LED arrangement or emulated LED lamp; and

check a level of flicker or disturbance in the current provided to the LED light source or emulated LED light source, and

wherein the detection arrangement is further adapted to select the values with least flicker or disturbance as the suitable values.

6. An intermediary device to be used with a detection arrangement of any one of claims 1 to 5 for determining characteristics of an electronic ballast and an LED lamp of any one of claims 1 1 to 14, the intermediary device comprising:

an interface (95) adapted to couple to the detection arrangement and receive an output signal (SID) from the detection arrangement (90), wherein the output signal is related to the electronic ballast; and

a controller (96) adapted to process the output signal;

wherein the interface (95) is further adapted to couple to the LED lamp and transmit the processed output signal to the LED lamp, wherein the processed output signal is adapted for being processed so as to adjust a compatibility of the LED lamp and the electronic ballast;

wherein the intermediary device is non-light emitting and is a storing and computing device, and is separate from the detection arrangement and the LED lamp.

7. An intermediary device according to claim 6, wherein the output signal provides output parameters of the electronic ballast, including one or more of an impedance, an output frequency, an output current, and/or an output voltage of the electronic ballast, and the controller is adapted to determine the model, type or identity of the ballast or to determine suitable values for components of an adjustable impedance circuit of the lamp, from the output parameters of the electronic ballast.

8. An intermediary device according to claim 6 or claim 7, wherein the output signal provides the model, type or identity of the ballast, and

the controller is adapted to determine suitable values for components of an adjustable impedance circuit of the lamp from the model, type or identity of the ballast.

9. An intermediary device according to claim 7 or 8, wherein the controller is adapted to determine suitable values using pre-stored data or by communicating with an external server.

10. An intermediary device according to any of claims 6 to 9, wherein the output signal provides suitable values for components of an adjustable impedance circuit of the lamp, and

the controller is adapted to relay the suitable values via the interface to the lamp.

1 1. A LED lamp to be used with an electronic ballast, said lamp comprising standard lamp connection to the electronic ballast, an LED light source, and an adjustable impedance arrangement adapted to connect the electronic ballast to the LED light source, wherein said LED lamp is further adapted to:

couple to and communicate with an external detection arrangement directly or via an external intermediary device for the detection arrangement,

receive an output signal from the external detection arrangement and adapted for being processed so as to adjust the compatibility of the lamp and the electronic ballast; and

adjust the adjustable impedance arrangement according to the output signal; wherein said LED lamp is separate to the external detection arrangement.

12. A LED lamp according to claim 1 1, wherein said adjustable impedance arrangement comprises any one or both of:

an input impedance observed by the electronic ballast, preferably comprising a series capacitance connecting the ballast to a power converter of the LED lamp;

an adjustable impedance in a control loop of a power converter of the LED lamp.

13. A LED lamp according to claim 1 1 or 12, wherein the output signal provides suitable values for components of the adjustable impedance circuit of the lamp.

14. A LED lamp according to any one of claims 1 1 to 13, wherein the output signal provides:

output parameters of the electronic ballast including one or more of: an impedance, an output frequency, an output current, or an output voltage of the electronic ballast; or

identifying information of the electronic ballast, said identifying information identifying a model, type or an identity of the electronic ballast;

and the LED lamp comprises a controller adapted to determine suitable values for components of the adjustable impedance circuit according to the output signal, based on pre-stored data or an external server.