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Method and system for determining mechanical strain in a mobile phone

  • US 7,020,503 B2
  • Filed: 03/27/2002
  • Issued: 03/28/2006
  • Est. Priority Date: 03/27/2002
  • Status: Expired due to Fees
First Claim
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1. A strain indicator system for indicating mechanical strain in a communications device having a housing, the strain indicator system comprising:

  • at least one housing strain indicator, wherein the at least one housing strain indicator is mechanically coupled to the housing;

    at least one first electric circuit coupled to the at least one housing strain indicator for determining housing strain;

    at least one first alarm device coupled to the at least one first electric circuit, wherein the strain indicator system is adapted to automatically emanate a human perceivable sensory signal from the communications device when the housing is subjected to an unintentional strain beyond a predetermined undesired strain threshold.

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