Community alarm/notification device, method and system
First Claim
1. An emergency telephone broadcast system for sending an emergency notification signal over telephone lines in a designated geographic area to warn of an emergency situation, the system comprising:
- a telephone transceiver system at a central location that receives an emergency notification for the designated geographic area and that transmits over a plurality of the telephone lines in the designated geographic area the emergency notification signal; and
an alarm device, associated with one of the plurality of the telephone lines that receives the emergency notification signal at a user location, that issues an alarm signal at the user location in response thereto, wherein the emergency notification signal is a unique data signal distinct from telephone supervisory signals and independent of call status of a telephone coupled with the one of the plurality of telephone lines.
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Accused Products
Abstract
A telecommunications system and device for providing a notification or warning of pending or imminent danger to the public. The system provides the communication of a desired warning signal and the geographic coverage for such signal, the subsequent data search and issuing of such signals, and a preprogrammed, AC/DC powered alarm/notification device which is coupled to individual telephone lines within homes and businesses. The alarm/notification device constantly monitors the telephone line for specific codes, and upon receipt of such codes, is activated to provide visual and/or audio alert notification.
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Citations
29 Claims
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1. An emergency telephone broadcast system for sending an emergency notification signal over telephone lines in a designated geographic area to warn of an emergency situation, the system comprising:
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a telephone transceiver system at a central location that receives an emergency notification for the designated geographic area and that transmits over a plurality of the telephone lines in the designated geographic area the emergency notification signal; and an alarm device, associated with one of the plurality of the telephone lines that receives the emergency notification signal at a user location, that issues an alarm signal at the user location in response thereto, wherein the emergency notification signal is a unique data signal distinct from telephone supervisory signals and independent of call status of a telephone coupled with the one of the plurality of telephone lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A device connectable to a telephone line for detecting and responding to signals on the telephone line, the device comprising:
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an alarm indicator; means for demodulating a data signal received over the telephone line; means for parsing a received data packet contained in the data signal to identify if the data packet is of an emergency alert type; means for activating the alarm indicator at a user location according to a control word parameter contained in a modulated data signal, the modulated data signal being an in-band signal distinct from supervisory signals that activate a telephone connected to the telephone line and comprising a known message format with a reserved message type identifying an emergency alert message; and means for providing at least one of a plurality of messages based on a parameter message contained in the modulated data signal. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. A telephone broadcast system for sending a message signal over telephone lines in a designated geographic area, the system comprising:
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a telephone transceiver system at a central location that receives a notification signal identifying the designated geographic area and that transmits over a plurality of the telephone lines in the designated geographic area the message signal; an alarm device, associated with one of the plurality of the telephone lines that receives the message signal at a user location and that issues an alarm signal at the user location in response thereto, the alarm device comprising; an alarm indicator; means for demodulating a data signal received over the telephone line; means for parsing a received data packet contained in the data signal to identify if the data packet is of an emergency alert type; means for activating the alarm indicator at a user location according to a control word parameter contained in a modulated data signal, the modulated data signal being an in-band signal distinct from supervisory signals that activate a telephone connected to the telephone line and comprising a known message format with a reserved message type identifying an emergency alert message; and means for providing at least one of a plurality of messages based on a parameter message contained in the modulated data signal. - View Dependent Claims (27, 28, 29)
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Specification