IP Library Granted Patent US 12,518,619
Granted Patent B2
US 12,518,619 · App. 18/421,636 · Granted Jan 6, 2026

Visible light communication system and method

Inventors: David J. Knapp (Austin, TX); Horace C. Ho (Austin, TX)
Assignee: Lutron Technology Company, LLC
G08C23/04H04B10/116H04L12/282H04L12/2838H04L12/6418H05B47/195H05B47/1965G08C2201/93H04L2012/2841H04L2012/285H05B47/199
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Quick Facts
Patent No.
US 12,518,619
App. No.
18/421,636
Granted
Jan 6, 2026
Kind
B2
Abstract

A system and method are provided herein for communicating with and controlling various devices using visible light communication (VLC). According to one embodiment, a method is provided for extending a communication range of a VLC system comprising a plurality of controlled devices and a remote-control device. Such a method may include, for example, transmitting a communication message from a remote-control device to a first controlled device located within range of the remote-control device, wherein the communication message is transmitted through free space using visible light, and extending the communication range of the VLC system to a second controlled device, which is located outside of the range of the remote-control device, by using the first controlled device to retransmit the communication message through free space using visible light to the second controlled device.

Claims (71)

1 . A non-transitory, machine-readable, storage device that includes instructions that, when executed by remote-control device processor circuitry, causes the processor circuitry to:

responsive to receipt of a user input, generate an output signal;

broadcast the output signal to a plurality of controlled devices;

receive image data from at least one communicatively coupled image acquisition device;

store the image data in communicatively coupled memory circuitry;

analyze the stored image data to identify a visible light communication (VLC) from each of the plurality of controlled devices, the VLC including at least one unique identifier associated with the respective controlled device; and

generate a user-perceptible output using at least a portion of the received image data, the user-perceptible output including data representative of each of the plurality of controlled devices and the unique identifier associated with the respective controlled device.

2 . The non-transitory, machine-readable, storage device of claim 1 , wherein the instructions that cause the processor circuitry to broadcast the at least one output signal to the plurality of controlled devices, further cause the processor circuitry to:

broadcast a radio frequency signal to the plurality of controlled devices.

3 . The non-transitory, machine-readable, storage device of claim 2 , wherein the instructions that cause the processor circuitry to broadcast a radio frequency signal to the plurality of controlled devices further cause the processor circuitry to:

broadcast a Bluetooth® signal to the plurality of controlled devices.

4 . The non-transitory, machine-readable, storage device of claim 1 , wherein the instructions that cause the processor circuitry to broadcast the at least one output signal to the plurality of controlled devices, further cause the processor circuitry to:

cause an operatively coupled light source to broadcast a VLC signal to the plurality of controlled devices.

5 . The non-transitory, machine-readable, storage device of claim 1 , wherein the instructions, when executed by the remote-control device processor circuitry, further cause the processor circuitry to:

responsive to receipt of a first user input, select one or more of the plurality of controlled devices;

responsive to receipt of a second user input, select at least one command;

transmit the selected at least one command to the selected one or more of the plurality of controlled devices.

6 . The non-transitory, machine-readable, storage device of claim 5 , wherein the instructions that cause the processor circuitry to transmit the selected at least one command to the selected one or more of the plurality of controlled devices further cause the processor circuitry to:

broadcast a radio frequency signal that includes the selected command and the unique identifiers associated with the selected one or more of the plurality of controlled devices.

7 . The non-transitory, machine-readable, storage device of claim 6 , wherein the instructions that cause the processor circuitry to transmit the radio frequency signal that includes the selected command to the selected one or more of the plurality of controlled devices further cause the processor circuitry to:

broadcast Bluetooth® signal that includes the selected command and the unique identifiers associated with the selected one or more of the plurality of controlled devices.

8 . The non-transitory, machine-readable, storage device of claim 5 , wherein the instructions that cause the processor circuitry to transmit the selected at least one command to the selected one or more of the plurality of controlled devices further cause the processor circuitry to:

cause an operatively coupled light source to broadcast a VLC signal that includes the command and the unique identifiers associated with the selected one or more of the plurality of controlled devices.

9 . The non-transitory, machine-readable, storage device of claim 1 , wherein the instructions that cause the processor circuitry to generate the user-perceptible output using at least the portion of the received image data, the user-perceptible output including data representative of each of the plurality of controlled devices and the unique identifier associated with the respective controlled device, further cause the processor circuitry to:

generate a graphical user interface (GUI) on a communicatively coupled display device, the GUI including a plurality of icons, each representing a respective one of the plurality of controlled devices along with the received unique identifier associated with the respective controlled device.

10 . An electric load device configuration apparatus, comprising:

image acquisition circuitry;

memory circuitry; and

control device processor circuitry coupled to the image acquisition circuitry and to the memory circuitry, the control device processor circuitry to:

responsive to receipt of a first user input, generate at least one output signal;

cause a broadcast of the at least one output signal to a plurality of electric load devices;

receive image data from the image acquisition circuitry;

cause a storage of the image data in the memory circuitry;

analyze the stored image data to identify a visible light communication (VLC) received from each of the plurality of electric load devices, the VLC including at least one unique identifier associated with the respective electric load device;

cause a generation of a user-perceptible output using at least a portion of the received image data, the user-perceptible output including data representative of each of the plurality of electric load devices and the unique identifier associated with the respective electric load device.

11 . The apparatus of claim 10 , wherein to cause the broadcast of the at least one output signal to the plurality of electric load devices, the control device processor circuitry to further:

cause the broadcast of at least one radio frequency output signal to the plurality of electric load devices.

12 . The apparatus of claim 11 , wherein to cause the broadcast of the at least one radio frequency signal to the plurality of electric load devices, the control device processor circuitry to further:

cause the broadcast of at least one Bluetooth® signal to the plurality of electric load devices.

13 . The apparatus of claim 10 , wherein to broadcast the at least one output signal to the plurality of electric load devices, the control device processor circuitry to further:

cause an operatively coupled light source to broadcast at least one VLC signal to the plurality of electric load devices.

14 . The apparatus of claim 10 , wherein the control device processor circuitry to further:

select one or more of the plurality of electric load devices responsive to receipt of a second user input;

select at least one command responsive to receipt of a third user input; and

cause a transmission of the selected at least one command to the selected one or more of the plurality of electric load devices.

15 . The apparatus of claim 14 , wherein to cause the transmission of the selected at least one command to the selected one or more of the plurality of controlled devices, the control device processor circuitry to further:

cause a broadcast of a radio frequency signal that includes the selected command and the unique identifiers associated with the selected one or more of the plurality of electric load devices.

16 . The apparatus of claim 15 , wherein to cause the transmission of the radio frequency signal that includes the selected command to the selected one or more of the plurality of electric load devices, the control device processor circuitry to:

cause a broadcast of a Bluetooth® signal that includes the selected command and the unique identifiers associated with the selected one or more of the plurality of electric load devices.

17 . The apparatus of claim 14 , wherein to cause the transmission of the selected at least one command to the selected one or more of the plurality of electric load devices, the control device processor circuitry to:

cause an operatively coupled light source to broadcast a VLC signal that includes the command and the unique identifiers associated with the selected one or more of the plurality of electric load devices.

18 . The apparatus of claim 10 , wherein to cause the generation of the user-perceptible output using at least the portion of the received image data, the control device processor circuitry to:

cause a generation of a graphical user interface (GUI) on a communicatively coupled display device, the GUI including a plurality of icons, each representing a respective one of the plurality of electric load devices along with the received unique identifier associated with the respective electric load device.

19 . An electric load device configuration method, comprising:

generating, by control device processor circuitry, at least one output signal responsive to receipt of a first user input;

causing, by the control device processor circuitry, a broadcast of the at least one output signal to a plurality of electric load devices;

receiving, by the control device processor circuitry, image data from operatively coupled image acquisition circuitry;

causing, by the control device processor circuitry, a storage of the image data in operatively coupled memory circuitry;

analyzing, by the control device processor circuitry, the stored image data to identify a visible light communication (VLC) received from each of the plurality of electric load devices, the VLC including at least one unique identifier associated with the respective electric load device; and

causing, by the control device processor circuitry, a generation of a user-perceptible output using at least a portion of the received image data, the user-perceptible output including data representative of each of the plurality of electric load devices and the unique identifier associated with the respective electric load device.

20 . The method of claim 19 , wherein causing the broadcast of the at least one output signal to the plurality of electric load devices further comprises causing, by the control device processor circuitry, the broadcast of at least one radio frequency output signal to the plurality of electric load devices.

21 . The method of claim 20 , wherein causing the broadcast of the at least one radio frequency signal to the plurality of electric load devices further comprises causing, by the control device processor circuitry, the broadcast of at least one Bluetooth® signal to the plurality of electric load devices.

22 . The method of claim 19 , wherein causing the broadcast of the at least one output signal to the plurality of electric load devices further comprises causing, by the control device processor circuitry, an operatively coupled light source to broadcast at least one VLC signal to the plurality of electric load devices.

23 . The method of claim 19 , further comprising:

selecting, by the control device processor circuitry, one or more of the plurality of electric load devices responsive to receipt of a second user input;

selecting, by the control device processor circuitry, at least one command responsive to receipt of a third user input; and

causing, by the control device processor circuitry, a transmission of the selected at least one command to the selected one or more of the plurality of electric load devices.

24 . The method of claim 23 , wherein causing the transmission of the selected at least one command to the selected one or more of the plurality of controlled devices further comprises causing, by the control device processor circuitry, the broadcast of a radio frequency signal that includes the selected command and the unique identifiers associated with the selected one or more of the plurality of electric load devices.

25 . The method of claim 23 , wherein causing the transmission of the radio frequency signal that includes the selected command to the selected one or more of the plurality of electric load devices further comprises causing, by the control device processor circuitry, a broadcast of a Bluetooth® signal that includes the selected command and the unique identifiers associated with the selected one or more of the plurality of electric load devices.

26 . The method of claim 23 , wherein causing the transmission of the selected at least one command to the selected one or more of the plurality of electric load devices further comprises causing, by the control device processor circuitry, an operatively coupled light source to broadcast a VLC signal that includes the command and the unique identifiers associated with the selected one or more of the plurality of electric load devices.

27 . The method of claim 19 , wherein causing the generation of the user-perceptible output using at least the portion of the received image data further comprises causing, by the control device processor circuitry, the generation of a graphical user interface (GUI) on a communicatively coupled display device, the GUI including a plurality of icons, each representing a respective one of the plurality of electric load devices along with the received unique identifier associated with the respective electric load device.

Continuity (7)
Division 17558678 · Dec 22, 2021
Continuation 17102369 · Nov 23, 2020
Continuation 15953202 · Apr 13, 2018
Continuation 13773322 · Feb 21, 2013
Continuation In Part 13231077 · Sep 13, 2011
Provisional Application 61601153 · Feb 21, 2012
Related Publication 20240161602A1 · May 16, 2024
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