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 ?
Since January, the Los Angeles Police Department has had a policy of responding to no ``unverified'' burglar alarms from any location that produced two or more false alarms in a year.
Often they do have more serious crime to pursue, and the burglar alarm call gets pushed farther down the list.
Officials said the burglar alarm policy was not under consideration when the program was being developed two years ago.
The burglar-alarm issue has been one of the most politically sensitive at City Hall in the past year, after Chief William Bratton complained about the high number of false alarms and said he wanted to stop officers from responding to burglar alarms altogether.
When we received our original listings from UL back in the late eighties, we felt the jeweler's marketplace was well served in the Carolinas by three national UL Listed burglar alarm companies", said William J.
Burglar alarm, Medical Office Building, Boyden Road.
Police Chief William Bratton declared Thursday that officers' responding to burglar alarms is a ``waste of time'' - but said he will obey an order if the Police Commission, under pressure from Mayor James Hahn, reverses itself on ending the practice.
The Los Angeles Police Commission is expected Tuesday to affirm a policy that the LAPD won't respond to unverified burglar alarms and to reject a task force's recommendation for a less-restrictive measure.
Automatic burglar alarm, accidental/defective alarm, Cranbrook Drive.
Monitoring companies are required to use another number to report tripped burglar alarms, Bruce Boyer, owner of San Fernando Valley-based Lone Star Security and Video, said.
Officers responding to a residential burglar alarm on the 200 block of East Elmhurst Avenue discovered pry marks on the door and fresh footprints in the snow.
A new report centered on the market trends of burglar alarm has been recently added to the extensive database of Market Research Hub (MRH) research reports.