Patent ID: 11943693
Assignee: THE SAFETY NETWORK PARTNERSHIP, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 4:
5. The method of claim 1, wherein the identifying the second user device potentially associated with the biological threat event based on the event timeline information of the biological threat event and the time information of historical geographic location coordinate information of the second user device comprises one or more of:
obtaining the time information of historical geographic location coordinate information of the second user device from the second user device;
estimating the time information of historical geographic location coordinate information of the second user device based on current geographic location coordinate information of the second user device;
accessing an information server to recover the time information of historical geographic location coordinate information of the second user device; and
selecting the second user device when at least some of the time information of historical geographic location coordinate information of the second user device is within the event timeline information of the biological threat event.