CPC G07C 9/30 (2020.01) [G07C 9/38 (2020.01); H04B 11/00 (2013.01)] | 20 Claims |
1. A tracking system, comprising:
a plurality of sensors receiving one or more inaudible tones from an electronic device detected by at least one of the plurality of sensors, wherein the one or more inaudible tones are inaudible to humans, and wherein the one or more inaudible tones includes embedded information regarding a user or an object associated with the electronic device;
a server in communication with the plurality of sensors identifies a location of the electronic device in response to detecting the one or more inaudible tones associated with the electronic device.
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