| 摘要 |
PURPOSE: An ink jet type head control circuit, an ink jet type head module, a data transmitting method and a droplet discharging apparatus are provided to reduce an influence of noise and to lower power consumption. CONSTITUTION: An ink jet type head module driving unit(110) includes a driving signal generator(115), a latch circuit(111) and a shift register(113). The driving signal generator(115) generates a driving signal for exhausting liquid droplet fro a plurality of nozzles. A print timing signal is applied to the latch circuit(111). A latch signal, which is delayed from the print timing signal by a predetermined time, is applied to the driving signal generator(115). Static voltage of about 30V is applied to the driving signal generator(115). A shift register(151) is installed in a head section(150).
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