×

Personal safety device

  • US 7,310,902 B2
  • Filed: 12/31/2003
  • Issued: 12/25/2007
  • Est. Priority Date: 03/26/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. A personal safety system including a personal safety device including at least one housing containing a quantity of a marking substance that includes a unique chemical identifier that contains synthetic DNA, a propellant, a triggering apparatus including an initiator which is operative to activate the propellant to propel the marking substance from the housing to mark the area surrounding the device, and transceiver operable to transmit an RF distress signal that is of a unique frequency or character, so that the actual device transmitting the signal may be identified, the system further including a remote receiver to receive the transmitted distress signal, and a remote transmitter for transmitting an actuating signal to the personal safety device, the transceiver receiving the remotely transmitted actuating signal and transmitting the distress signal in response.

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