Signal processor
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United States of America Patent
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Oct 15, 2019
Grant Date -
Aug 9, 2018
app pub date -
Jul 12, 2016
filing date -
Jul 17, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
To realize a compact device that detects phase or controls phase or an amplitude with high sensitivity, a signal controller includes: a linear conductor having a first end fixed to a negative electrode and a second end serving as a free end; a positive electrode facing the free end with a small gap therebetween; a first signal source that applies a voltage between the negative electrode and the positive electrode, the voltage applied being variable; a driving electrode that applies an electric field to a space around the conductor, the electric field having a component perpendicular to the lengthwise direction of the conductor; and a second signal source that applies an AC signal to the driving electrode. The signal processor can be a device for controlling or modulating phase or amplitude.
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