Matrix printhead apparatus

Matrix printing cell and head assembly

Matrix printing device

Matrix printing head

Matrix printing head with forward and return articulated-armatur

Matrix printing head with pivotable armatures

Mechanism utilizing resilient energy

Memory device and printing system for dot printer

Metalloid filament wire matrix print head

Method and apparatus for adjusting print positions of dot...

Method and apparatus for braille display of information from CRT

Method and apparatus for coordinated control of dot matrix print

Method and apparatus for energizing a printhead

Method and apparatus for inserting intermediate dots in a dot ma

Method and apparatus for marking on an arcuate surface

Method and apparatus for marking on an arcuate surface

Method and apparatus for operating a thermal printer with unifor

Method and apparatus for printing Braille

Method and apparatus for quieting the operation of a dot matrix

Method and apparatus for securely printing a postal indicia imag