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A false alarm also occurs when there is an alarm system malfunction that results in an alarm state. In all three circumstances, the source of the problem should be immediately found and fixed, so that responders will not lose confidence in the alarm reports.
An electromagnetic door holder (electromagnetic door holder and release or hold-open device, sometimes informally called a mag hold open or electric doorstop) is a simple electromechanical mechanism which can be used to hold a fire door or security door open until given a signal to release.
A control panel is implemented to arm and disarm a home security system. The control panel is the main connection to the alarm company monitoring a home. It typically features a touchpad or buttons to easily maneuver the system, and some newer systems also feature voice control or wireless remotes (key fobs). [5]
Reed switches actuated by magnets are commonly used in mechanical systems as proximity sensors. Examples are door and window sensors in burglar alarm systems and tamperproofing methods. Reed switches have been used in laptops to put the laptop into sleep/hibernation mode when the lid is closed.
This type of door often comes with a wooden finish to maintain a natural aesthetic in their external appearance. Security tests by Consumer Reports Magazine in the 1990s found that many residential doors fail or delaminate when force is applied to them. Solid wood doors withstood more force than the very common metal skinned wood-edged doors ...
The U.S. Consumer Product Safety Commission is warning about the danger of high-powered, pea-sized magnets found in toys, announcing one company's recall of a set containing them and saying it was ...