| 摘要 |
A preheating printing apparatus includes a thermal print head, an input port, a memory, a gradation counter, a comparator, a thermal driving signal generator, a controller, a preheating signal generator, and a control switch. The apparatus can drive the thermal print head with electrically economical thermal elements and improved printing quality, by printing after preheating the thermal print head while video data is stored in line memory.
|
