PROBLEM TO BE SOLVED: To realize cost reduction and an improvement in the performance function by carrying out processing by means of software which operates on a high performance processor in place of a special LSI or the like.;SOLUTION: The heat history controller has a CPU 1 which carries out a generation process of a history pattern to each history factor with reference to previous printing dots in accordance with a heat history control algorithm stored in a ROM 2; a RAM 3 including a printing data storage area 31 where several lines of lines to be printed and dot images after completely printed are held, and a history pattern storage area 32 where the result operated on the basis of previous printing data is stored for every history factor; and a thermal head interface LSI 4 with a parallel/serial conversion circuit 41, a timer circuit 42, and a head control signal generating circuit 43 for generating a control signal for a shift register in a thermal head in accordance with a timing generated at the timer circuit 42.;COPYRIGHT: (C)2004,JPO
展开▼
机译:解决的问题:通过在高性能处理器上运行的软件代替特殊的LSI等进行处理,以实现成本降低和性能功能的提高。 CPU 1根据存储在ROM 2中的热历史控制算法,参照先前的打印点,对每个历史因子进行历史图案的生成处理; RAM 3包括:打印数据存储区域31,其保存有将要打印的多行线和完全打印后的点图像;以及历史图案存储区域32,其针对每个历史存储了基于先前打印数据进行操作的结果因子;具有并行/串行转换电路41,计时器电路42和打印头控制信号生成电路43的热敏头接口LSI 4,该头/控制信号生成电路43根据在热敏头中产生的定时来生成用于热敏头中的移位寄存器的控制信号。定时器电路42 .;版权所有:(C)2004,日本特许厅
展开▼