Applications in Class 340/629

Matches 1 - 2 out of 2

Match	Document	Document Title
1	US20090066525	Smoke meter and locator A device which provides a smoke meter and locator.
2	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