Dot-matrix type serial printer
专利汇可以提供Dot-matrix type serial printer专利检索，专利查询，专利分析的服务。并且PURPOSE:To provide a serial printer short in rising distance and capable of high- speed printing, by providing two or more print head moving speeds, and controlling the speeds so that they are changed over from one to another in accordance with the print character position. CONSTITUTION:A one-line memory 1 stores print data for one line (e.g., 136 digits). A transverse feed control unit 2 controls two transverse feed speeds, high and low speeds. In the case of printing in the forward direction in order from the first digit. Although a rising distance corresponding to two characters (shown by the broken line) is conventionally required, this system only requires a rising distance corresponding to one chatacter (shown by the solid line). A control means first actuates a print head to effect an approach movement by one character from the stop position and to perform printing only for the first digit (''A'' is printed). Immediately thereafter, the speed is reduced, and the print head is suspended at the position between the second and third digits. Secondly, the print head is returned to its former stop position. Thirdly, the print head is actuated to effect an approach movement by two characters from the stop position and to perform printing from the second digit on.，下面是Dot-matrix type serial printer专利的具体信息内容。
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