Title:
【発明の名称】プリンタ用の多機能のモニタリングモジュール
Document Type and Number:
Japanese Patent JP2003515466
Kind Code:
A
Abstract:
In a module for monitoring the print quality of a dot printer ( 10 ), comprising a radiation source ( 41 ), a condenser lens system ( 43 ') for forming an illuminated area ( 45 ) on a printing medium ( 13 ) and an imaging lens system ( 87,89 ) for imaging the illuminated area on a detector ( 49 '), the detector comprises at least a linear array of detector elements and the imaging system is configured in such a way that both the illuminated area and a small portion thereof can be imaged. This allows detection of both the gray scale of a print line ( 35 ) and the size and colour of an individual dot. A dot printer provided with this modules gives an improved print quality.
Inventors:
Bronse Wake, Taco Kerr
Linden Hofius, Callianne Ha
Timels, Wilhelms Ahe
Linden Hofius, Callianne Ha
Timels, Wilhelms Ahe
Application Number:
JP2001540510A
Publication Date:
May 07, 2003
Filing Date:
November 01, 2000
Export Citation:
Assignee:
Konin Krekka Philips Electronics NV
International Classes:
B41J29/46; B41J2/21; B41J29/393; H04N1/00; (IPC1-7): B41J29/46; H04N1/00
Attorney, Agent or Firm:
Tadahiko Ito