04272771 is referenced by 81 patents and cites 6 patents.

When a multiple-ink-jet printer or plotter prints one array of ink dots by one printing cycle or scan, the spacing between the lowermost row or the leftmost column of one array of ink dots printed previously and the uppermost row or the rightmost column of the adjacent array of ink dots printed next becomes too wide or too short, thus leaving a blank row or column or a black line segment due to the overlapping of the ink dots. In order to overcome this problem, the outermost rows or columns of the adjacent ink dot arrays are overlapped in such a way that the ink dots printed by the previous printing cycle or scan are interlaced with the ink dots printed by the next printing cycle or scan, whereby the boundaries between the adjacent ink dot arrays may be rendered less noticeable.

Title
Ink jet printer with multiple nozzle print head and interlacing or dither means
Application Number
6/75999
Publication Number
4272771
Application Date
September 17, 1979
Publication Date
June 9, 1981
Inventor
Tatsuya Furukawa
Yokohama
JP
Agent
Burgess Ryan and Wayne
Assignee
Ricoh
JP
IPC
G01D 15/18
View Original Source