Dot printer having concentric driving cams
Dot printer head
Dot printer head
Dot printer head
Dot printer head
Dot printer head
Dot printer head
Dot printer head
Dot printer head with alternate magnetic flux paths
Dot printer head with magnetic circuit through adjacent armature
Dot printer head with reduced magnetic interference
Dot printer operable in high resolution and ordinary printing mo
Dot printer wire
Dot printer with changeable quality dot pattern
Dot printer with off-axis loading
Dot printer with predriving force for removing particles from do
Dot printing apparatus
Dot printing apparatus
Dot printing apparatus and method
Dot printing device