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Authorization may be indicated in any number of ways, often with keys or codes used at the control panel or a remote panel near an entry. High-security alarms may require multiple codes, or a fingerprint, badge, hand-geometry , retinal scan, encrypted-response generator, and other means that are deemed sufficiently secure for the purpose.
In 1999, Keith Nellesen and Todd Pedersen co-founded APX Alarm Security Solutions in Provo, Utah. [4] [5] At the time, the company sold and installed security systems. [4] APX Alarm Security Solutions rebranded as Vivint in February 2011. [4] [6] Vivint was acquired by The Blackstone Group in November 2012. [7]
Glass break detectors are usually installed near glass doors or a window front of a store. This equipment uses a microphone to detect when a pane of glass is broken or shattered. By monitoring the sound and vibrations the alarm only reacts to sounds above a certain threshold to avoid false alarms. [5]
In telecommunications, the term alarm sensor has the following meanings: . In communications systems, a device that can sense an abnormal condition within the system and provide a signal indicating the presence or nature of the abnormality to either a local or remote alarm indicator, and (b) may detect events ranging from a simple contact opening or closure to a time-phased automatic shutdown ...
An alarm monitoring center, central monitoring station (also known as "CMS" or wholesale central station), or alarm receiving center (also known as ARC) [1] is a company that provides services to monitor burglar, fire, and residential alarm systems. The Central Monitoring Station may also provide watchman and supervisory services.
A Florida man opened fire on two home intruders, killing one of them, on Thursday night, authorities said. The Lakewood Ranch area homeowner saw two masked men on his motion-activated home ...
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