APPARATUS FOR PRODUCING CONTINUOUS WAVEFORMS WITH PROGRAMMABLE SHAPES
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United States of America Patent
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Issued Date -
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app pub date -
May 27, 2010
filing date -
Nov 29, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Devices and methods are provided for boosting a battery voltage and driving an actuator with programmable voltage shapes. In one embodiment, there is provided a device (e.g., an actuator driver) that includes: a boost circuit coupled to the actuator and a battery; a switch driver coupled to the boost circuit; at least one current source coupled to the actuator; a switch-driver amplifier coupled to the switch driver and the at least one current source; and a microcontroller or an application specific integrated circuit (ASIC) coupled to and controlling the at least one current source to apply a shaped voltage to the actuator.
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