Gradation control circuit of line thermal printer
Gradation control device for thermal ink-transfer type printing
Gradation record printer
Gradation recorder
Gray level printing using a thermal printhead
Grey scale thermal printer control system
Halftone image printing device
Halftone image printing device
Hand-held portable printing system
Head and ribbon driving mechanism for thermal printer
Head drive system for a thermal printer
Head driving apparatus for thermal printer
Head driving pulse generation circuit for thermal recording appa
Heat control method of a thermal head
Heat pen
Heat sensitive recording head drive device
Heat sensitive recording system
Heat transfer recording apparatus
Heat transfer recording apparatus
Heat transfer recording method