| 摘要 |
A software system used to track and locate mobile first responders such as law enforcement and firefighters. The system consists of software that loads on first responder cellular telephones and provides recurring position reports, personal emergency distress reports, and data files such as pictures, video, and audio that have been tagged with the cellular telephone's global positioning system (GPS) information. Information from the cellular telephone is sent to server software that represents the information on a map display viewed via the Internet. Users of the invention are able to communicate and collaborate with one another by selecting one or a group of users from the display and in turn sending text, email, and voice messages to one another.
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