Light controller
AssigneeGlowleds, Inc.
InventorsJames Ray Crodian, Dale Johnston, Dan Alexander Ross
Life of this patent
Estimating the term…
Abstract
A light controller capable of varying the brightness of a light emitting diode in a linear manner. The light controller may control a number of lights in a predetermined pattern or in a pattern designed by the user. A remote control may be used to control and interact with the light controller. The light controller may have inputs for audio signals, tachometer signals, or other external signals. The light controller may be coupled to other light controllers to enable the control of additional lights in a synchronized manner. The light controller may be particularly well suited to controlling light emitting diodes and controlling lights in a vehicle accent lighting application, although many other uses may be apparent.
Claims26
A light controller comprising:
- a brightness control module controlling a brightness of a light for every one of a predetermined number of clock cycles, wherein the brightness of the light is determined based on a non-linear relationship between a duty cycle and a desired brightness, the desired brightness being based on a waveform of at least one light sequence.
A method for controlling a light, comprising:
- receiving a clock signal;
- receiving a desired brightness of the light associated with a predetermined number of clock signal cycles, the desired brightness being based on a section of a waveform that represents more than one duty cycle interval;
- determining a duty cycle based on the desired brightness;
- determining a modulation waveform based on the duty cycle;
- and
- transmitting the modulation waveform to the light for the predetermined number of clock signal cycles.
A light controller comprising:
- a brightness control module controlling a brightness of a light for every one of a predetennined number of clock cycles, wherein the brightness of the light is determined based on a non-linear relationship between a duty cycle and a desired brightness, the desired brightness being based on a waveform of at least one light sequence;
- and
- a storage module.
A method for controlling a light comprising:
- receiving a clock signal;
- receiving a desired brightness of the light associated with a predetermined number of clock signal cycles;
- determining a duty cycle based on the desired brightness;
- determining a modulation waveform based on the duty cycle;
- and
- transmitting the modulation waveform to the light for the predetermined number of clock signal cycles, wherein the predetermined number of clock cycles corresponds to a section of a waveform that represents more than one duty cycle interval.
A light controller comprising:
- means for receiving a clock signal;
- means for receiving a desired brightness of the light associated with a predetermined number of clock signal cycles;
- means for determining a duty cycle based on the desired brightness;
- means for determining a modulation waveform based on the duty cycle;
- and
- means for transmitting the modulation waveform to the light for the predetermined number of clock signal cycles, wherein the predetermined number of clock cycles corresponds to a section of a waveform that represents more than one duty cycle interval.
Dependencies are inferred from the claim text.