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Suspended particle device electronic control processes

  • US 20100302624A1
  • Filed: 08/13/2010
  • Published: 12/02/2010
  • Est. Priority Date: 09/08/2005
  • Status: Active Grant
First Claim
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1. A system for use with at least one Suspended Particle Device (SPD), the SPD having a variable opacity, the system comprising:

  • a controller connected to the at least one SPD and comprising means controlling the opacity of the at least one SPD;

    the controller having means to determine that the SPD is to be set to a specific opacity value at different times;

    wherein there is stored within the controller a first lookup table providing a mapping between opacity values and drive values giving rise to opacity values.

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