Stochastic signal density modulation for optical transducer control
US-9226355-B1 · Dec 29, 2015 · US
Stochastic signal density modulation for optical transducer control
US10334672B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10334672-B2 |
| Application number | US-201715661795-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 27, 2017 |
| Priority date | Nov 13, 2006 |
| Publication date | Jun 25, 2019 |
| Grant date | Jun 25, 2019 |
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Abstract
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A controller for optical transducers uses stochastic signal density modulation to reduce electromagnetic interference.
First claim
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What is claimed is: 1. A lighting controller comprising: a plurality of outputs, each of the plurality of outputs coupled to a lighting element; and a plurality of density modulation circuits coupled to the plurality of outputs, wherein an output of each of the density modulation circuits corresponds to a brightness of a corresponding lighting element. 2. A The lighting controller of claim 1 , wherein the plurality of outputs includes: a first output corresponding to a red lighting element; a second output corresponding to a blue lighting element; and a third output corresponding to a green lighting element. 3. A The lighting controller of claim 1 , wherein the plurality of density modulation circuits are implemented by a configurable circuit comprising a plurality of programmable digital blocks. 4. A method for generating a lighting output comprising: driving a first lighting element with a first density signal; driving a second lighting element with a second density signal; and driving a third lighting element with a third density signal, wherein the first, second, and third density signals are controllable to produce a desired combined wavelength for the lighting output. 5. The method for generating a lighting output of claim 4 , wherein the first, second, and third density signals are determined by a controller circuit in response to a wavelength input and based on a determined combination of density signals corresponding to the wavelength input.
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Classifications
Controlling the intensity of the light · CPC title
- H05B33/0818Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US10334672B2 cover?
- A controller for optical transducers uses stochastic signal density modulation to reduce electromagnetic interference.
- Who is the assignee on this patent?
- Cypress Semiconductor Corp
- What technology area does this patent fall under?
- Primary CPC classification H05B33/0818. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 25 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).