Mobile wireless communications device including removable electrical power supply module and related methods
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United States of America Patent
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Jul 29, 2014
Grant Date -
Sep 22, 2011
app pub date -
Mar 22, 2010
filing date -
Mar 22, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A mobile wireless communications device may include a device housing, and mobile wireless communications device circuitry carried by the device housing. The device may also include a removable electrical power supply module coupled to the mobile wireless communications device circuitry. The removable electrical power supply module may include a module housing, and within the module housing, a battery cell, a DC-to-DC converter coupled to the battery cell, and an output inductor coupled to the DC-to-DC converter. The removable electrical power supply module may also include, within the module housing, a spark suppression circuit coupled to the output inductor, and an output voltage clamp circuit coupled to the output inductor. The removable electrical power supply module may further include a pair of output terminals carried by the module housing and coupled to the output voltage clamp circuit.
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