burglar alarm

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burglar alarm

[′bər·glər ə¦lärm]
(engineering)
An alarm in which interruption of electric current to a relay, caused, for example, by the breaking of a metallic tape placed at an entrance to a building, deenergizes the relay and causes the relay contacts to operate the alarm indicator. Also known as intrusion alarm.
References in periodicals archive ?
Moments later the policemen heard a house alarm go off, the chief said.
With house alarms being triggered in the middle of the night, many are left exhausted getting children ready for school and themselves ready for work.
One resident on Oxley Road said: "We were woken at 4.30am to the sound of our neighbour's house alarm. I looked outside to find the whole street to be completely pitch black.
"Nothing was taken as it appears the intruders were disturbed by the house alarm, but the owners were still left with the distress and inconvenience of having to clear up broken glass and making their home secure again." Call police on 101 with information.
Between 11.30am and 6.50pm, offenders forced the rear door of a house at Benfield Road in Heaton and made off after being disturbed, possible by the house alarm. It appears nothing was stolen.
They were disturbed by the house alarm and fled the scene in a black Ford Focus.
They are now asking people to register their house alarm with the county council.
It's as effective as a house alarm, and sounds similar to personal attack alarms, with quite a noisy, high-pitched siren."
Taylor Hill was in the baby seat of the BMW convertible while mum Debbie went to switch off her house alarm.
construction of telecommunications and information technology systems, burglary alarm system and house alarm with a voice alarm system.
A MAN who tried to take pictures of raiders who had set off a neighbour's house alarm in Fixby was attacked and had his face stamped on.