Patent · US Expired

Control system for matrix print head

US4713623A · kind A · utility

5Cited by

5References

2Claims

0Family size

Assignee

Data Products Corporation · US

Inventors

Dan C. Mower · Grass Valley, US
Peter Wolf · Wiesbaden, DE
Boyd E. Slade · Sunnyvale, US
David Albertalli · San Jose, US

Key dates

Filing date	Dec 14, 1981
Grant date	Dec 15, 1987
Priority date	—
Expiry date	Dec 14, 2001

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2/51
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A system for printing dot-matrix characters wherein a double column of dot forming elements is used, and no single dot forming element is required to print more often than once in any four column interval of printed text. Means for timing the actuation of the dot forming elements wherein the "on" time of the individual actuators can be longer than the time interval between columns is included.

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