×

Surveillance detection based on an identification of a carried mobile device

  • US 9,693,181 B1
  • Filed: 09/21/2016
  • Issued: 06/27/2017
  • Est. Priority Date: 09/21/2016
  • Status: Active Grant
First Claim
Patent Images

1. A surveillance detection apparatus, comprising:

  • a short range radio transceiver, wherein the short range radio transceiver has a predefined limited range; and

    a processor coupled to the short range radio transceiver, wherein the surveillance detection apparatus sends an intrusion signal to the processor in response to the short range radio transceiver receiving a short range radio signal from a communication device, wherein an intruder is in possession of the communication device within range of the short range radio transceiver, wherein the communication device is not pre-authorized by the processor to be within the predefined limited range of the short range radio transceiver, wherein a presence of the communication device within the predefined limited range of the short range radio transceiver triggers an intruder alert, and wherein the processor generates the intruder alert in response to determining that the communication device is not pre-authorized to be within the predefined limited range of the short range radio transceiver.

View all claims
  • 20 Assignments
Timeline View
Assignment View
    ×
    ×