IP Library Granted Patent US 8,519,640
Granted Patent B1
US 8,519,640 · App. 12/505,412 · Granted Aug 27, 2013

System and method for controlling a light emitting diode fixture

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,519,640
App. No.
12/505,412
Granted
Aug 27, 2013
Kind
B1
Abstract

One embodiment in accordance with the invention can include a circuit for controlling a light emitting diode (LED) lighting fixture via a power line. The circuit can include a power switch coupled to the power line and is for outputting a firing angle. Additionally, the circuit can include a control circuit coupled to the power switch and is for implementing firing angle control of the power switch. Furthermore, the circuit can include a translator coupled to receive the firing angle and for mapping the firing angle to a function of the LED lighting fixture.

Claims (25)

1. A light emitting diode (LED) circuit, comprising:

a control circuit configured to control a power switch such that the power switch outputs a firing angle such that the firing angle is encoded with a plurality of functions, wherein a first pulse of the firing angle is encoded with a first of the plurality of functions and a second pulse of the firing angle is encoded with a second of the plurality of functions;

a translator circuit configured to receive the firing angle output by the power switch and map the firing angle to a plurality of commands;

a LED lighting fixture coupled to the translator circuit and configurable to provide the plurality of functions controllable based on the plurality of commands.

2. The LED circuit of claim 1 , further comprising a LED driver circuit coupled to the LED lighting fixture.

3. The LED circuit of claim 1 , wherein the LED lighting fixture comprises a plurality of LEDs coupled in one of series and parallel.

4. The LED circuit of claim 1 , wherein the plurality of functions comprises an intensity function for the LED lighting fixture and a color function for the LED lighting fixture.

5. A method for controlling a light emitting diode (LED) lamp, the method comprising:

receiving a firing angle encoded with a plurality of functions, wherein a first pulse of the firing angle is encoded with a first of the plurality of functions and a second pulse of the firing angle is encoded with a second of the plurality of functions;

translating the firing angle into a plurality of commands of the LED lamp; and

utilizing the one of the plurality of commands to control the LED lamp, wherein the LED lamp is configurable to provide the plurality of functions controllable based on the plurality of commands.

6. The method of claim 5 , wherein the plurality functions comprises an intensity function for the LED lamp.

7. The method of claim 6 , wherein the plurality of functions comprises a color function for the LED lamp.

8. The method of claim 5 , wherein the LED lamp comprises a plurality of LEDs coupled in one of series and parallel.

9. A light emitting diode (LED) circuit, comprising:

a control circuit configured to control a power switch such that the power switch outputs a firing angle encoded with a plurality of functions, wherein a first pulse of the firing angle is encoded with a first of the plurality of functions and a second pulse of the firing angle is encoded with a second of the plurality of functions;

a translator circuit configured to receive the firing angle output by the power switch and map the firing angle to a plurality of commands; and

a LED lighting fixture coupled to the translator circuit and configurable to provide the plurality of functions controllable based on the plurality of commands.

10. The LED circuit of claim 9 , wherein the translator circuit comprises a circuit to derive the plurality of commands.

11. The LED circuit of claim 9 , wherein the plurality of commands comprises a dimming command for the LED lighting device.

12. The LED circuit of claim 11 , wherein the plurality of commands further comprises a color command for the LED lighting device.

13. The LED circuit of claim 12 , wherein the plurality of commands further comprises a power factor command for the LED lighting device.

14. The LED circuit of claim 13 , wherein the plurality of commands further comprises a power dissipation command for the LED lighting device.

15. The LED circuit of claim 9 , wherein the power switch is coupled to a power line and configured to output the firing angle.

16. The LED circuit of claim 15 , wherein the power switch comprises a triac.

Assignments (3)
CHANGE OF NAME Recorded Oct 2, 2017
From: GOOGLE INC.
To: GOOGLE LLC
Reel/Frame 044101/0299 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2014
From: CYPRESS SEMICONDUCTOR CORPORATION
To: GOOGLE INC.
Reel/Frame 033760/0314 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 21, 2012
From: GODBOLE, KEDAR; VARGHA, DOUG
To: CYPRESS SEMICONDUCTOR CORPORATION
Reel/Frame 027739/0384 →