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Method of making a smartphone case with a battery

  • US 9,402,452 B2
  • Filed: 09/06/2013
  • Issued: 08/02/2016
  • Est. Priority Date: 11/17/2008
  • Status: Active Grant
First Claim
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1. A method of making a smartphone case with a battery, the method comprising:

  • providing a first case portion of a smartphone case comprising a base front surface and base back surface, wherein a housing of a smartphone will be placed against the base front surface;

    enclosing a battery between the base front surface and base back surface;

    connecting electronic circuitry to the battery, an inner connector, and an outer connector, wherein the inner connector is adapted to interface with a connector of the smartphone;

    providing a second case portion for the smartphone case that couples onto the first case portion;

    forming at least one sound channel in the case between a bottom inner side surface comprising the inner connector and a bottom outer side surface comprising the outer connector;

    forming a right inside audio opening through the bottom inner side surface on a right side of the inner connector and configured to align with a speaker or a microphone of the smartphone, and forming a left inside audio opening through the bottom inner side surface on a left side of the inner connector and configured to align with a speaker or a microphone of the smartphone, wherein the right and left inside audio openings are coupled to the at least one sound channel; and

    forming outside audio openings on the bottom outer side surface, wherein the outside audio openings are coupled to the at least one sound channel, the outside audio openings are adapted to receive sound waves from outside the case, such that the sound waves pass through the at least one sound channel to the right or left inside audio openings, thereby allowing the sound waves to be received by the microphone of the smartphone, and such that the speaker of the smartphone transmits sound through the at least one sound channel.

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