Driving circuit for alternating lead type thermal head
专利汇可以提供Driving circuit for alternating lead type thermal head专利检索，专利查询，专利分析的服务。并且PURPOSE:To reduce extraordinary heating between dots and thereby improve the precision of recording by selecting reverse-current preventing diodes commonly connected every three or more of them. CONSTITUTION:A signal (a) is impressed on the base terminal 57 of a transistor 58, a signal (b) on the base terminal 56 of a transistor 55, and a signal (c) on the base terminal 71 of a transistor 70. That is, the device is driven by a three-phase driving method. Meanwhile, a signal (d) is impressed on the 1st block terminal 50 and a signal (e)... on the 2nd block terminal 51. The output of the transistor 58 is connected to a common line on the anode side of diodes 13, 16, 19... the output of the transistor 55 is connected to a common line on the anode side of diodes 14, 7..., and the output of the transistor 70 is connected to a common line on the anode side of diodes 15, 18.... By such a constitution, six-dot interval is introduced in between the diodes commonly connected, while four-dot interval is found there usually. By the abovestated device, extraordinary heating of dots at the boundary point between blocks is reduced.，下面是Driving circuit for alternating lead type thermal head专利的具体信息内容。
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