HAPTIC FEEDBACK SYSTEMS AND METHODS
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United States of America Patent
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N/A
Issued Date -
May 8, 2014
app pub date -
Nov 5, 2013
filing date -
Nov 5, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A haptic feedback device can include a surface magnet and a first electromagnet sufficient to cause the physical movement of the surface magnet along a first axis. One or more individually addressable pin driver circuits may be communicably coupled to the electromagnet. The individually addressable pin driver circuit is selectively switchable into a number of operating modes that includes a current sourcing mode, a current sinking mode, and an impulse mode. A controller is communicably coupled to each of the pin driver circuits via a digital bus. The controller selects an operating mode and one or more parameters for each of the individually addressable pin driver circuits.
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