Methods and apparatus for implementing power cycle control of lighting devices based on network protocols

• US 7,777,427 B2
• Filed: 06/06/2006
• Issued: 08/17/2010
• Est. Priority Date: 06/06/2005
• Status: Active Grant

• Current Assignee: Signify North America Corporation (Signify N.V.)
• Original Assignee: Philips Solid-State Lighting Solutions (Koninklijke Philips N.V.)
• Inventors: Stalker, John C. III
• Primary Examiner(s): Owens; Douglas W
• Assistant Examiner(s): Vu; Jimmy T
• Application Number:
  US11/422,589
• Publication Number:
  US 20060273741A1
• Time in Patent Office: 1,533 Days
• Field of Search: 315/149, 315/224, 315/291, 315/307, 315/112, 315/113, 315/118, 315/150, 315/308, 362/249.02, 362/458, 362/800
• US Class Current: 315/291
• CPC Class Codes: G05F 1/00 Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 47/155 Coordinated control of two or more light sources
• CPC Class Codes: H05B 47/18 via data-bus transmission
• CPC Class Codes: H05B 47/185 via power line carrier transmission

Abstract

A controllable dimmer/relay used in combination with a power cycle control lighting device, wherein the controllable dimmer/relay serves as a network interface for the power cycle control lighting device. The controllable dimmer/relay is controlled by lighting commands formatted according to any of a variety of communications protocols, which instruct the controllable dimmer/relay to output one or more power cycles (interruptions in power) rather than gradual increases or decreases in power. In response to the power cycle(s) output by the controllable dimmer/relay, the power cycle control lighting device alters some aspect of the generated light (e.g., change one or more of color, color temperature, overall brightness, dynamic effect, etc.). In this manner, a power cycle control lighting device may be made responsive, via the controllable dimmer/relay, to lighting control commands formatted according to any of a variety of industry standard (e.g., DMX, Ethernet, DALI, X10) or proprietary protocols.

Claims

1. An apparatus, comprising:

at least one lighting unit configured to generate variable color or variable color temperature radiation based at least in part on at least one interruption of power supplied to the at least one lighting unit; and

one of a controllable dimmer and a controllable relay coupled to the at least one lighting unit and configured to generate the at least one interruption of power in response to at least one control signal, wherein the at least one lighting unit is configured to control at least one property of the variable color or variable color temperature radiation based on the at least one interruption in the power having a duration that is less than or equal to a predetermined duration.

2. The apparatus of claim 1, wherein the at least one lighting unit includes at least one LED.

3. The apparatus of claim 2, wherein the at least one LED includes at least one white LED.

4. The apparatus of claim 2, wherein the at least one LED includes:

at least one first LED configured to generate first radiation having a first spectrum; and

at least one second LED configured to generate second radiation having a second spectrum different than the first spectrum.

5. The apparatus of claim 4, wherein:

the at least one first LED includes at least one first white LED; and

the at least one second LED includes at least one second white LED.

6. The apparatus of claim 1, wherein the at least one control signal is formatted according to a network communications protocol.

7. The apparatus of claim 1, wherein the at least one control signal is formatted according to a DMX protocol.

8. The apparatus of claim 1, wherein the at least one control signal is formatted according to an Ethernet protocol.

9. The apparatus of claim 1, wherein the at least one control signal is formatted according to a DALI protocol.

10. The apparatus of claim 1, wherein the one of the controllable dimmer and the controllable relay includes the controllable relay.

11. The apparatus of claim 1, wherein the one of the controllable dimmer and the controllable relay includes the controllable dimmer.

12. The apparatus of claim 11, wherein the at least one control signal includes only a first type of control signal in response to which the controllable dimmer outputs zero power and a second type of control signal in response to which the controllable dimmer outputs essentially full power.

13. The apparatus of claim 12, wherein the first and second types of control signals are formatted according to a DMX protocol.

14. The apparatus of claim 12, wherein the first and second types of control signals are formatted according to an Ethernet protocol.

15. The apparatus of claim 12, wherein the first and second types of control signals are formatted according to a DALI protocol.

16. The apparatus of claim 1, wherein the at least one lighting unit is configured such that the at least one property of the variable color or variable color temperature radiation is not changed if the duration of the at least one interruption in the power is greater than the predetermined duration.

17. The apparatus of claim 1, wherein the at least one lighting apparatus comprises:

at least one memory to store at least one lighting program; and

at least one processor configured to execute the at least one lighting program, based on the at least one interruption in the power, so as to control the variable color or variable color temperature radiation.

18. The apparatus of claim 17, wherein the at least one lighting program includes a plurality of lighting programs, wherein the at least one memory stores the plurality of lighting programs, and wherein the at least one lighting unit is configured to select and execute a particular lighting program of the plurality of lighting programs based on the at least one interruption in the power.

19. The apparatus of claim 18, wherein the at least one interruption includes a plurality of interruptions, and wherein the at least one lighting unit is configured to select and execute different lighting programs of the plurality of lighting programs based on successive interruptions of the plurality of interruptions.

20. The apparatus of claim 19, wherein each interruption of the plurality of interruptions has a corresponding duration, and wherein the at least one lighting unit is configured to select and execute a different lighting program of the plurality of lighting programs if the corresponding duration of at least one interruption is less than or equal to a predetermined duration.

21. The apparatus of claim 19, wherein each lighting program of the plurality of lighting programs is associated with one identifier in a sequence of identifiers, and wherein the at least one lighting unit is configured to sequentially select and execute the different lighting programs based on the sequence of identifiers and the successive interruptions.

22. A method, comprising acts of:

A) generating variable color or variable color temperature radiation based at least in part on at least one interruption of power;

B) generating the at least one interruption of power in response to at least one control signal formatted according to a network communication protocol; and

C) controlling at least one property of the variable color or variable color temperature radiation based on the at least one interruption in the power having a duration that is less than or equal to a predetermined duration.

23. The method of claim 22, wherein the at least one control signal is formatted according to a DMX protocol.

24. The method of claim 22, wherein the at least one control signal is formatted according to an Ethernet protocol.

25. The method of claim 22, wherein the at least one control signal is formatted according to a DALI protocol.

26. An apparatus, comprising:

at least one lighting unit including a processor and a memory having a plurality of lighting programs stored therein, the at least one lighting unit being configured to select and execute a particular lighting program of the plurality of programs based at least in part on at least one interruption of power supplied to the at least one lighting unit; and

a controllable dimmer coupled to the at least one lighting unit and configured to generate the at least one interruption of power in response to at least one control signal, wherein the at least one control signal includes only a first type of control signal in response to which the controllable dimmer outputs zero power and a second type of control signal in response to which the controllable dimmer outputs essentially full power.

27. The apparatus of claim 26, wherein at least one lighting program of the plurality of lighting programs, when executed, causes the lighting unit to generate light having a static non-white color.

28. The apparatus of claim 26, wherein at least one lighting program of the plurality of lighting programs, when executed, causes the lighting unit to generate essentially white light.

29. The apparatus of claim 26, wherein at least a first lighting program of the plurality of lighting programs, when executed, causes the lighting unit to generate first white light having a first color temperature.

30. The apparatus of claim 29, wherein at least a second lighting program of the plurality of lighting programs, when executed, causes the lighting unit to generate second white light having a second color temperature different than the first color temperature.

31. The apparatus of claim 26, wherein at least one lighting program of the plurality of lighting programs, when executed, causes the lighting unit to generate a dynamic lighting effect.

32. The apparatus of claim 26, wherein at least one lighting program of the plurality of lighting programs, when executed, causes the lighting unit to generate light having at least one property based at least in part on a monitored detectable condition.

33. The apparatus of claim 32, wherein the monitored detectable condition includes at least one of a brightness and a spectral content of ambient light in proximity to the at least one lighting unit.