Matches 1 - 2 out of 2

Match Document Document Title
US20090066525 Smoke meter and locator  
A device which provides a smoke meter and locator.
US20080111701 Smoke detector having camera  
A smoke detector simultaneously processes signals from a detector and signals from an image capture unit through using a power frequency carrier device. Thus, an early alarm can be made by the...
Matches 1 - 2 out of 2