IP Library Granted Patent US 10,616,978
Granted Patent B2
US 10,616,978 · App. 15/766,089 · Granted Apr 7, 2020

Lighting arrangement, computer program product, mobile communication device and lighting system

Inventors: Wei Wang (Eindhoven, NL); Yi Zhang (Eindhoven, NL); Feng He (Eindhoven, NL); Haitao Liu (Eindhoven, NL)
Assignee: SIGNIFY HOLDING B.V.
H05B37/0272H05B33/0866H05B33/0869H05B37/0218H05B37/0227Y02B20/46
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Quick Facts
Patent No.
US 10,616,978
App. No.
15/766,089
Granted
Apr 7, 2020
Kind
B2
Abstract

Disclosed is a lighting arrangement ( 10 ) comprising a lighting device ( 20 ) having an adjustable luminous output; a control arrangement ( 30 ) communicatively coupled to the dimmable lighting device including a controller ( 39 ) adapted to adjust the luminous output of the lighting device a data storage device accessible by the controller storing calibration data for a light measurement device of a mobile communication device, the calibration data being a function of a distance between the mobile communication device and the lighting device and a communication module ( 31 ) communicatively coupled to the controller, wherein the control arrangement is adapted to control the lighting device such that the lighting device produces a predefined luminous output; receive a luminous output measurement from the mobile communication device at an unknown distance from the lighting device; retrieve distance information regarding the distance between the mobile communication device and the lighting device from the calibration data based on the received luminous output measurement; and adjust the luminous output of the lighting device with the controller in accordance with the retrieved distance information. A computer program product, mobile communication device and lighting system are also disclosed.

Claims (35)

1. A lighting arrangement comprising:

a lighting device having an adjustable luminous output;

a control arrangement communicatively coupled to the lighting device, the control arrangement including a controller adapted to adjust the luminous output of the lighting device, a data storage device accessible by the controller storing calibration data for a light measurement device of a mobile communication device, the calibration data being a function of a distance between the mobile communication device and the lighting device, a function of a height of the lighting device, and a function of an orientation of the mobile communication device with respect to the lighting device, and a communication module communicatively coupled to the controller, wherein the control arrangement is adapted to:

control the lighting device such that the lighting device produces a predefined luminous output;

receive a luminous output measurement from the mobile communication device at the distance and the orientation with respect to the lighting device;

retrieve distance information regarding the distance between the mobile communication device and the lighting device from the calibration data based on the received luminous output measurement;

retrieve height information regarding the height of the mobile communication device with respect to the lighting device based on the received luminous output measurement;

retrieve orientation information regarding the orientation of the mobile communication device with respect to the lighting device based on the received luminous output measurement;

calculate a difference between a desired luminous output and the measured luminous output at the location of the mobile communication device from the received luminous output measurement, wherein the desired luminous output is a brightness of the lighting device; and

adjust the luminous output of the lighting device with the controller in accordance with the calculated different based on the retrieved distance information, the retrieved height information, and the retrieved orientation information.

2. The lighting arrangement of claim 1 , wherein the data storage device stores the calibration data for the mobile communication device having the light measurement device, wherein the control arrangement is further adapted to:

receive mobile communication device identification information from the mobile communication device;

identify the calibration data of the mobile communication device from the received mobile location device identification information; and

retrieve distance information regarding the distance between the mobile communication device and the lighting device from the identified calibration data based on the received luminous output measurement.

3. The lighting arrangement of claim 1 , wherein the control arrangement is further adapted to:

receive an ambient light measurement from the mobile communication device;

scaling the received luminous output measurement from the received ambient light measurement using the received ambient light measurement; and

retrieve distance information regarding the distance between the mobile communication device and the lighting device from the calibration data based on the scaled luminous output measurement.

4. The lighting arrangement of claim 1 , wherein the lighting device having an adjustable luminous output is a dimmable lighting device, and the controller adapted to adjust the luminous output of the lighting device in accordance with the retrieved distance information is adapted to control a dimming level of the lighting device.

5. The lighting arrangement of claim 1 , wherein the control arrangement is integrated in the lighting device.

6. The lighting arrangement of claim 1 , wherein the control arrangement is further adapted to send a request to the mobile communication device for the luminous output measurement in response to controlling the lighting device such that the lighting device produces a predefined luminous output.

7. The lighting arrangement of claim 1 , wherein the control arrangement is further adapted to: receive a user activity indication from a mobile communication device with the communication module; and determine the desired luminous output in accordance with the received user activity indication.

8. A computer program product comprising a non-transitory computer readable storage medium having computer readable program instructions embodied therewith for, when executed on a mobile communication device comprising a processor adapted to execute the computer readable program instructions, and further comprising a light measurement device and a mobile communication module under control of the processor, cause the processor to execute the steps of:

measuring a luminous output with the light measurement device at a distance and a height with respect to a lighting arrangement;

calculating a difference between a desired luminous output and the measured luminous output at a location of the mobile communication device wherein the desired luminous output is a brightness of the lighting arrangement; and

transmitting the measured luminous output to the lighting arrangement with the mobile communication module to facilitate the adjustment of the luminous output of a lighting device of the lighting arrangement based on the luminous output measurement measured at the first distance, the calculated difference, and calibration data, where the calibration data is a function of the distance between the mobile communication device and the lighting device, the height of the lighting device with respect to the mobile communication device, and an orientation of the mobile communication device with respect to the lighting device.

9. The computer program product of claim 8 , wherein the computer readable program instructions include further instructions for, when executed on said processor, cause said processor to execute the steps of:

measuring an ambient light condition with the light measurement device; and

transmitting the measured ambient light condition to the lighting arrangement with the mobile communication module.

10. The computer program product of claim 8 , wherein the computer readable program instructions include further instructions for, when executed on said processor, cause said processor to execute the steps of:

receiving a user activity indication from a user interface of the mobile communication device; and

sending the user activity indication to the lighting arrangement.

11. The computer program product of claim 8 , wherein the computer readable program instructions include further instructions for, when executed on said processor, cause said processor to transmit mobile communication device identification information to the lighting arrangement.

12. The mobile communication device of claim 8 , wherein the mobile communication device is a smart phone or a tablet computer.

13. A lighting system comprising the lighting arrangement of claim 1 .

Assignments (3)
CHANGE OF NAME Recorded Jul 12, 2019
From: PHILIPS LIGHTING HOLDING
To: SIGNIFY HOLDING B.V.
Reel/Frame 049745/0040 →
CHANGE OF NAME Recorded Feb 26, 2019
From: PHILIPS LIGHTING HOLDING B.V.
To: SIGNIFY HOLDING B.V.
Reel/Frame 049984/0501 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 5, 2018
From: WANG, WEI; ZHANG, YI; HE, FENG; LIU, HAITAO
To: PHILIPS LIGHTING HOLDING B.V.
Reel/Frame 045839/0057 →
Priority Claims (1)
WO PCT/CN2015/091986 · Oct 15, 2015 · international
Continuity (1)
Related Publication 20180288856A1 · Oct 4, 2018