Patent · US Expired

System for reading data stored on an information carrier

US7308172B2 · kind B2 · utility

3Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 2004
Grant dateDec 11, 2007
Priority date
Expiry dateNov 1, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C13/04
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a system for reading data stored on an information carrier. The system comprises a waveguide (1203) which allows displacing laterally the different components in exploiting the reflection of the light beams between a first surface (1207) and a second surface (1208) of said wave guide (1203). Use: Optical storage.

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