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Validating and supplementing emergency call information removing private information

  • US 10,701,544 B1
  • Filed: 04/08/2020
  • Issued: 06/30/2020
  • Est. Priority Date: 04/27/2018
  • Status: Active Grant
First Claim
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1. A method comprising:

  • deriving, from features of a normalized signal version of an emergency call signal, a probability that the emergency call signal originated from a location, wherein the normalized signal version is a dimensionally reduced version of the emergency call signal;

    accessing an additional normalized signal within a specified distance of the location;

    determining that the additional normalized signal includes user information;

    removing at least a portion of the user information from the additional normalized signal;

    validating the location from features of the additional signal subsequent to removing the at least a portion of the user information;

    detecting an event from the features of the normalized signal version of the emergency call signal based on the validated location;

    associating the validated location with an obtained event truthfulness probability for the event; and

    sending the event to a Public Safety Answering Point (PSAP).

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