DRIVING CIRCUIT AND PHOTOGRAPHIC MODULE USING THE SAME
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United States of America Patent
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N/A
Issued Date -
Jul 7, 2016
app pub date -
Jan 6, 2015
filing date -
Jan 6, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A driving circuit for controlling a photographic module is included, which includes an input voltage adjusting unit, a digital-to-analog converting unit, a current mirror unit and a sink current generating unit. The input voltage adjusting unit is configured to convert an input voltage signal into an adjusted input voltage signal. The digital-to-analog converting unit is coupled to the input voltage adjusting unit, which is configured to convert the adjusted input voltage signal and a digitalized signal into a fraction of the adjusted input voltage signal. The current mirror unit is coupled to the digital-to-analog converting unit, which is configured to amplify the fraction of the adjusted input voltage signal. The sink current generating unit is coupled to the current mirror unit and the motor, which is configured to generate a sink current based on the fraction of the adjusted input voltage signal.
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International Classification(s)
Cited Art Landscape
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