Patent · US Expired

Ink-jet recording apparatus and method using asynchronous masks

US6042212A · kind A · utility

20Cited by
14References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 1998
Grant dateMar 28, 2000
Priority date
Expiry dateJun 25, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K15/107
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Random masks each having a given size and defining a random array of non-record pixel locations and record pixel locations are placed in association with record areas in mask registers. Using the placed masks, record data is thinned-out and supplied to a recording head. An image is then recorded. Thus, since thinning-out masks do not have periodicity, any inherent density nonuniformity loses periodicity. Consequently, high-definition images can be produced.

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