Wireless transfer of data from a detector
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United States of America Patent
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Jun 10, 2003
Grant Date -
Dec 12, 2002
app pub date -
May 4, 2001
filing date -
May 4, 2001
priority date (Note) -
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Abstract
An ambient condition detector incorporates a common radiant energy source to carry out a first, sensing, function and a second, information transmitting function. The source can generate a beam to implement a fire sensing function. In addition, modulated radiant energy emitted from the source can be remotely sensed to determine detector status or internal parameter values. In an alternate embodiment, a source of radiant energy can be configured at an exterior periphery of the detector and information can be wirelessly transmitted therefrom using one or more analog modulation processes.
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