Check writing machine
Compact printer
Control circuit for dot matrix printing head
Disc printer
Dot line printer having improved comb yoke
Drive circuit for a matrix printer
Drive system for wire dot head
Dual pitch impact printer
Electromagnetic drive mechanism for the printing pin of a print
Electromagnetic hammer actuator for impact printer
Electromagnetic hammer printing device including a limited actio
Encoder employing a shock absorbing tension spring
Hammer assembly for printers
Hammer device having adjustable striking force
Hammer driving mechanism for printing apparatus
Hammer unit for printers
Impact mechanism for impact printer
Impact mechanism for impact printer
Impact mechanism for quiet impact printer
Impact printer actuator using magnet and electromagnetic coil an