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Systems and methods for providing conditional access to transmitted information

  • US 9,286,490 B2
  • Filed: 09/10/2013
  • Issued: 03/15/2016
  • Est. Priority Date: 09/10/2013
  • Status: Active Grant
First Claim
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1. A method for controlling access to position information by one or more applications, the method comprising:

  • decrypting, using a first key, a first set of encrypted position signals received from a network of terrestrial transmitters;

    determining position information from the first set of decrypted position signals;

    identifying a first set of the position information, wherein the first set of the position information is identified based on a first level of service associated with a first application;

    encrypting the first set of the position information using a second key; and

    providing the encrypted first set of the position information to the first application.

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