Patent · US Expired

Systems and methods for color changing device and enclosure

US6888322B2 · kind B2 · utility

368Cited by
164References
96Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 2001
Grant dateMay 3, 2005
Priority date
Expiry dateOct 1, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S362/80
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A color-changing device which includes an enclosure at least a portion of which is material which is desired to change color. There is also included an illumination device, such as an LED or collection of LEDs which can illuminate the material. There can also be included a controller which can take some form of input, such as from a network, or a sensor, and can convert that input into a signal to control the illumination. There is also included a method for performing such color change.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.