Patent · US Expired

Encoded device having positioned indicia for use with a toner cartridge

US6397015B2 · kind B2 · utility

23Cited by
38References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 2001
Grant dateMay 28, 2002
Priority date
Expiry dateMay 31, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/1838
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An encoded device for a toner cartridge provides a plate having preprogrammed indicia positioned at locations defined in relation to a clock face. The preprogrammed indicia includes a start indicia positioned at about a 6:00 o'clock position and at least one measurement indicia located between about 200 degrees and about 230 degrees from the 6:00 o'clock position.

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