Patent ID: 7307522

Claim:
A system for determining the location of a resident within a monitored area having a plurality of residences during an emergency, comprising: a wireless emergency call transmitter positioned within a monitored area, and including a radio frequency (RF) transmitter that is resident activated during an emergency for transmitting an RF signal containing a transmitter code indicating the identity of the emergency call transmitter, said emergency call transmitter further including a receiver section that receives an infrared or acoustic signal containing a location code identifying a location, and in response, transmitting an RF signal containing the location code; and a location monitor positioned within an area containing the emergency call transmitter and storing a location code identifying the area of the location monitor, the location monitor including an RF receiver for receiving the RF signal from the emergency call transmitter, and a transmitter that in response to the location monitor receiving the RF signal from the emergency call transmitter, transmits an infrared or acoustic signal containing the location code to the emergency call transmitter for subsequent processing to determine the location of the wireless emergency call transmitter.