Control system for matrix print head

US4167342A · kind A · utility

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: Jun 13, 1977
• Grant date: Sep 11, 1979
• Expiry date: Jun 13, 1997

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2/51
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical 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.