Patent · US Expired

Determining a media feature

US7177584B2 · kind B2 · utility

0Cited by
17References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 10, 2004
Grant dateFeb 13, 2007
Priority date
Expiry dateMay 11, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00734
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for determining a media feature includes directing light toward a media path and a reflector. The reflector converges the light on a light detector. Intensity data is collected from the light detector and analyzed to determine the media feature.

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