2022
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Invention
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Methods for setting addresses in a building management system and installation tool for such a sy... |
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Invention
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Emergency call method and device. An emergency call device ("ECD") is described that can be fitte... |
2016
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Invention
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Smoke detector tester. The present invention relates to a fire detector testing device for instal... |
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Invention
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Fire detector drift compensation. A fire detector system comprises a fire detector unit;a sensor ... |
2013
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Invention
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Interface circuit for distributed fire alarm in loop configuration. An interface circuit of a sub... |
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Invention
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Combustion product detection. A smoke detector comprising an enclosure communicating with an exte... |
2012
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Invention
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Fire detector unit. The fire detector unit includes a fire detector and a breakaway detector cove... |
2011
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Invention
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Detector system. The system includes an active unit, such as a detector unit, which has a process... |
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Invention
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Safety system. A nodal system (10) includes a unit (D) having a memory (42) and an optical data r... |
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Invention
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Isolator circuit. An isolator circuit (25) for a unit of a safety system (10) includes a power co... |
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Invention
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Mounting unit. A mounting unit (10) for mounting an electrical component (16) to a panel has a fi... |
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Invention
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Detector devices. A detector includes a component having a surface. The surface includes, or is a... |
2009
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Invention
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A particulate detector. A particulate detector (10) comprises a radiation source (12) arranged to... |
2008
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Invention
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Gas sensor operation with feedback control. A gas sensor and method of operating a gas sensor wit... |
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Invention
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Identifying a plurality of devices. A method of identifying a plurality of devices connected alon... |
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Invention
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A monitoring method. A method of monitoring an alarm system comprises transmitting a sound alert ... |
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Invention
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Detector. A detector comprises a detector base (1) and a sensor (2), first and second resistors (... |
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Invention
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Modular fire detector. A detector comprises a detector base (1) and first and second detector ele... |
2007
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Invention
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A detector. A detector comprises a housing (1), a pyroelectric array sensor (2) mounted within th... |
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Invention
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Methods and systems for gas detection. Methods and systems for detecting potential fire related c... |
2006
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Invention
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Detector. A detector comprises a housing (1) having a window (3), a measuring and processing unit... |
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Invention
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A flame detector and a method. A flame detector is provided which comprises a housing (1), a test... |
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Invention
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An electrical circuit, a detection system and an operating method thereof. A detection system in ... |
2005
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Invention
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Smoke detector. A self-monitoring smoke detector comprising a housing (11) defining an internal c... |
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Invention
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Detection arrangements. A detection system in which a single sensor (14) is employed to detect tw... |
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Invention
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Testing a fire detector sensor. A method is disclosed for testing the functionality of a sensor (... |
2002
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Invention
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A fire detector. A detector for smoke, heat or the like, which has test function circuitry capabl... |
2001
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Invention
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Method and apparatus for equalising transfer functions of linear electro-acoustic systems. An ele... |
1996
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Invention
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Fire detector identification. In order to fit an electrically encoded identification slide member... |
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Invention
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Fire detector positioning. In a fire detector (2) having a fixed base unit (6) and a replaceable ... |
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Invention
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Smoke detector labyrinth. A smoke detector having a design for extending from a ceiling with a lo... |