Burning damage protecting apparatus and method for a printing he

Control for dot matrix printers operating in harsh environments

Data switch and data switching method for Bi-tronics printer

Device for distributive dot printing for printer

Document processing apparatus with power detection and mode sett

Driving method of a printing apparatus employing a non-stabilize

Electronic apparatus which is automatically initialized when nor

Electronic typewriter with a detector switch

Electronic typewriter with automatic power-off device

Impact printer

Impact printer

Key input apparatus provided with a key input buffer

Method and circuit arrangement for protection of typewriters or

Method for operating a recording device powered by at least one

Method of and device for printer control

Paper transport means for a recording device

Power supply apparatus

Power-operated typewriter

Print control apparatus

Print control for dot matrix printer