Alarm device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 3, 2007
app pub date -
Dec 21, 2004
filing date -
Dec 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An alarm device is disclosed for use with a fire detector which emits a visual or audible signal having recognisable characteristics. The signal is picked up by the alarm device which includes discriminating circuitry can recognise the signal. The device further includes a sound bomb which is activated upon a recognised signal being picked up. In a fire alarm installation there can be a series of alarm devices each of which recognises the signal of another alarm device whereby a number of alarm devices are activated in sequence.
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