专利汇可以提供Wire dot printer专利检索,专利查询,专利分析的服务。并且PURPOSE:To enable normal printing to be performed even where one or more of printing wires are broken, by a method wherein a printing head is moved upward or downward according to breakage information on the printing wires, a reprinting signal is generated, data necessary for reprinting is taken out, and is shiftedly transmitted to a normal one of the printing wires. CONSTITUTION:When one of a group of printing wires 21-27 is broken, a broken-wire number 10 is inputted to a controlling circuit 11, and normal printing for one line is performed. Rotation of a platen 7 is momentarily stopped by a signal 11c from the controlling circuit 11, and an AND gate 14 so functions that dot data to be transmtited to the broken printing wire is shiftedly transmitted to a normal one of the printing wires, based on a signal 11b. On the other hand, the controlling circuit 11 forms a signal 11a for moving a printing head 6 upward or downward by a one-dot amount, based on the broken-wire number 10. Under this condition, the head 6 is horizontally moved according to a printing signal 3a and a horizontal-movement signal 3b from the controlling circuit 11, and corrective overprinting of missing dots in the one line previously printed is performed for all of the relevant characters in the line.,下面是Wire dot printer专利的具体信息内容。
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