Takeshi Niikawa

Recording paper transporting device in a recording apparatus

Driver circuit for piezoelectric actuator, and impact dot-matrix printer using the driver circuit

Printer having adjustable gap between print head and recording medium

Driver circuit for piezoelectric actuator, and dot-matrix head and printer using piezoelectric or other actuator having discharge control means

Grouping of dot data in a multiple column dot-matrix printer

Recording paper transporting device for aligning top print line margin and cutting line

Driver circuit for piezoelectric actuator in a dot matrix printer

PRINTER CARRIAGE HOMING MECHANISM

Punktmatrixdrucker mit punktzaehler und temperatursensor Dot matrix printer with punktzaehler and temperature sensor

Dot matrix printer with punktzaehler and temperature sensor