Shinko Electric Company, Ltd.

Toshiki Nakamura

Hayami Sugiyama

Takanobu Mimura

Haruki Takeuchi

Hideki Maeda

Kawabe Morio

Shintaro Okamoto

A control device for thermal printing head and a printer having the thermal printing head are presented. The control device had a plurality of heating elements to correspond to a plurality of imprinting dots and a plurality of 1-bit registers for holding bit signals to drive each heating element, and includes dividing means for dividing gradation data of a multi-level gradation to express tones of imprinted dots into a plurality of weighted values according to gradation values; and pulse signal generation means for generating pulses having predetermined pulse widths according to respective weighting of gradation values and generating a number of pulses or pulse widths in accordance with a plurality of values of divided gradation data.

Control device for thermal printer head and printer using the same

This printer performs a heating process via a thermal head on TA paper provided with color forming layers and fixes the heat processed TA paper via a fixing lamp The fixing lamp is formed from: a fluorescent tube that has a fluorescent coating applied to the inside surface of the glass tube and inside which are sealed mercury and noble gases; filament electrodes provided at both ends of the fluorescent tube; a hot cathode fluorescent lamp formed from lead wires that supply power to the filament electrodes; and a magnetic circuit that is provided on a side surface of the fluorescent tube and that generates a magnetic field that acts on the current that flows through the fluorescent tube when power is fed to the filament electrodes.

Thermal printer and method of designing hot cathode fluorescent tube for thermal printer

Growing community of inventors

Ise, Japan

Toshiki Nakamura