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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 52. Chapters: Fire detection and alarm, Burglar alarm, Smoke detector, Fire alarm control panel, Alarm management, Fire alarm system, Alarm clock, Flame detection, Car alarm, Distributed temperature sensing, Fire alarm notification appliance, SimplexGrinnell, Aspirating smoke detector, LinuxMCE, Manual fire alarm activation, Flame detector, Cooper Wheelock, Heat detector, Faraday, Fire alarm box, Electronics Line USA, NorthStar Alarm, Safety Confirmation, Federal Signal Corporation, Autodialer alarm, Gentex, EN 54, System Sensor, Space Age Electronics, Notifier, Holtzer-Cabot, Standard Electric Time Company, Edwin Holmes, Fire-Lite, Bell box, Control and Indicating Equipment, Real-time clock alarm, Honeywell Life Safety Group, S.H. Couch, Canadian Fire Alarm Association, Benjamin Electric Manufacturing Company, Personal alarm, FlareBrands, Voice Activated Radio Dispatched Alarm, First-out alarm, Thermal lag. Excerpt: Burglar (or intrusion), alarms are systems designed to detect unauthorized entry into a building or area. They consist of an array of sensors, a control panel and alerting system, and interconnections. Sensors detect intruders by many methods such as monitoring door and window contacts, by passive infrared motion detectors, ultrasound, vibration, electric or magnetic fields, or microwaves. Senors may be directly wired to a control panel that provides sensor power, or may communicate wirelessly. Some alarm systems serve a single purpose of burglar or fire protection. Combination systems provide both fire and intrusion protection. Intrusion alarm systems may also be combined with closed-circuit television surveillance systems to automatically record the activities of intruders, and may interface to access control systems for electrically-locked doors. Systems range from small, self-contained noisemakers, to complicated...Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.

Author: LLC Books
Publisher:Books LLC, Wiki Series - 2010-05

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