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Portable cell phone and a proximity regulation system for use with a portable cell phone

  • US 8,140,128 B2
  • Filed: 02/06/2009
  • Issued: 03/20/2012
  • Est. Priority Date: 09/28/2001
  • Status: Expired due to Fees
First Claim
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1. A portable cell phone, comprising:

  • a proximity regulation system, including;

    a location sensing subsystem configured to determine a location of said portable cell phone proximate a user by determining a mode of operation of said portable cell phone; and

    a power governing subsystem, coupled to said location sensing subsystem, configured to determine a proximity transmit power level of said portable cell phone based on said location.

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