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A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.
A home security camera system software on a Windows laptop for monitoring. Home security includes both the security hardware placed on a property and individuals' personal security practices. Security hardware includes doors, locks, alarm systems, lighting, motion detectors, and security camera systems. Personal security involves practices like ...
The alarm was patented in 1853 by the Reverend Augustus Russell Pope (1819–1858) of Somerville, Massachusetts. [2] [4] Edwin Holmes acquired Pope's patent rights in 1857 for US$1500 [5] and manufactured the device in his factory in Boston, Massachusetts.
A laser fence mechanism detects objects passing the line of sight between a laser source and detector. [1] Stronger lasers can be used to injure entities passing the laser beam, as in a mosquito laser. [3] Fictional uses of laser fences often extend the concept so that fences may have the ability to prevent intruders by blocking or injuring them.
Blink is an American home automation company which produces home security cameras. The company was founded in 2009 by Peter Besen, Don Shulsinger, Dan Grunberg, Stephen Gordon, and Doug Chin. The company was initially started as Immedia Semiconductor Inc in 2009, but pivoted into a consumer electronics company. [1]
Infrared & Red Light Therapy. As LifePro's cold laser therapy device proves, big things come in small packages and budgets.This gadget can easily hit in your desk drawer, but it certainly packs a ...
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