Patent · US Expired

Illumination systems and methods

US6967791B2 · kind B2 · utility

2Cited by
17References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2001
Grant dateNov 22, 2005
Priority date
Expiry dateMay 30, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B15/68
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

System and method for illuminating a target area with a desired illumination pattern. According to preferred embodiments of the invention, a cartridge-engaging assembly may be positioned adjacent a data cartridge, light may be emitted from at least one light source on the cartridge-engaging assembly, and a portion of the emitted light may be attenuated so that the unblocked light illuminates the target area with the desired illumination pattern.

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