Alarm device

An alarm device or system of alarm devices gives an audible, visual or other form of alarm signal about a problem or condition. Alarm devices are often outfitted with a siren.

Alarm devices include:

burglar alarms, designed to warn of burglaries; this is often a silent alarm: the police or guards are warned without indication to the burglar, which increases the chances of catching him or her.

alarm clocks can beep, buzz or ring off as an alarm at a set time to wake a person up or for other reminders

distributed control systems (DCS), found in nuclear power plants, refineries and chemical facilities also generate alarms to direct the operator's attention to an important event that he or she needs to address.

alarms in an operation and maintenance (O&M) monitoring system, which informs the bad working state of (a particular part of) the system under monitoring.

first-out alarm

first-out alarm

safety alarms, which go off if a dangerous condition occurs. Common public safety alarms include:

civil defense siren also known as tornado sirens or air raid sirens
fire alarm systems
- fire alarm notification appliance
- "Multiple-alarm fire", a locally-specific measure of the severity of a fire and the fire-department reaction required.
- smoke detector
car alarms
autodialer alarm, also known as community alarm
personal alarm
tocsins – a historical method of raising an alarm

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Alarm_device

Alarm (2008 film)

Alarm is a 2008 Irish thriller film written and directed by Gerard Stembridge.

Overview

Alarm was filmed primarily in Dublin, Ireland. The lead actors are Aidan Turner (known for his role as Kíli in the film series The Hobbit) and Ruth Bradley (known for playing Garda Lisa Nolan in Grabbers).

Plot

After witnessing the murder of her father by burglars, Molly is living with friends and seeing a psychiatrist (Emmet Bergin) to deal with her panic attacks. She dreams of finding a house where she can live alone. Upon buying her dream house in a Dublin suburb, she gives a house-warming party and one of her friends brings along an old classmate of Molly's, Mal. Molly had fancied Mal during school, and now they become a couple. With a new house and a new boyfriend, things seem perfect.

However, soon her house is burglarized again and again, although her neighours are spared. Molly suspects that someone she knows might be involved.