194921 ⎘
Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop with sensing devices and central station in a closed loop, e.g. McCullough loop
Catalytic converter theft prevention and recovery
#2System and method for startup of a detector loop
#3Fire notification facility
#4Method for the implementation and/or maintenance of a central fire alarm system and/or fire extinguishing control center and device therefore
#5ENERGY HARVESTING FROM FIRE PANEL
#6Single stage current controller for a notification appliance
#7Providing information about a target object in a formatted output signal
#8Method and system for providing information about a target object in a formatted output signal
#9Isolator circuit
#10Isolator circuit
#11Interface circuit for distributed fire alarm in loop configuration
#12Security system and electrical circuit therefor
#13Apparatus and method for detection and adaption to an end-of-line resistor and for ground fault localization
#14Isolator circuit
#15Line isolators for isolating multiple faults in emergency systems
#16Alarm system
#17ANTI-THEFT SENSOR SYSTEM
#18SEPARATING DEVICE HAVING AN ENERGY STORAGE FOR AN ENERGY-CONDUCTING ELECTRIC LEAD
#19Method for determining the position of devices in a hazard detection system
#20Condition assessment system and method
#21Condition assessment system and method
#22Erratic short-circuit detection