Matrix printer with optimum printing velocity

Matrix type electrophotographic printing process and device

Matrix wire print head and method for the manufacture thereof

Means and method for electronic coding of ideographic...

Means and method for enhancing ribbon lift

Means for and method of detecting the state of ink remain in...

Means for encoding ideographic characters

Means for locating an eyelid assembly to a continuous ink...

Means for preventing drying of ink at nozzles of print heads

Means to connect printing presses in tandem

Means to receive a combination of two variable volume...

Measurement of paper speed using laser speckle detection

Mechanical shorthand writing means

Mechanical type printing apparatus

Mechanism for bi-directionally driving a print head

Mechanism for ink-transfer serial dot thermal printer

Mechanism for positioning single element type carriers

Mechanism for stabilizing platen

Mechanism for the control of the impact force and the...

Mechanism for varying the tension of normalizing springs of...