194967 ⎘
Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation; Prevention or correction of operating errors; Calibration, including self-calibrating arrangements; Self-calibration, e.g. compensating for environmental drift or ageing of components by changing the gain of an amplifier
SELF-CALIBRATING FIRE SENSING DEVICE
#2Self-calibrating fire sensing device
#3Self-calibrating fire sensing device
#4High power supercontinuum fiber optical source with midstage spectrum broadening
#5Smoke detector dynamic range adjustment system and method
#6Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
#7Apparatus and method for improving the audibility of specific sounds to a user
#8Flame detection system and method
#9Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
#10Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
#11Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels