Search results
Results from the WOW.Com Content Network
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...
ADT began to expand into new areas, such as fire alarms and security alarms, between 1910 and 1930, but was kept separate from AT&T's Holmes alarm business. ADT became a publicly traded company in the 1960s. [12] In 1964, ADT was found to be a monopoly in restraint of trade. It was shown to provide almost 80% of the central station alarm ...
The word alarm comes from the Old French a l'arme meaning "to the arms", or "to the weapons", telling armed men to pick up their weapons and get ready for action because an enemy may have suddenly appeared. [1] The word alarum is an archaic form of alarm. It was sometimes used as a call to arms in the stage directions of Elizabethan dramas. [2]
Wireless home alarm system control panel A house alarm. 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.
Early models were only able to be activated manually, such as when a firefighter is lost or trapped. More recent PASS devices can also automatically activate if the device does not detect motion for 30 seconds, [1] so that the alert will sound if the
Alarm.com Holdings, Inc. (NASDAQ:ALRM), which is in the software business, and is based in United States, saw...
Alarm clock, a clock that wakes people Alarm device , a device that gives an audible or visual warning of a problem or condition Alarm signal , a warning signal used by humans and other animals
Steve Trundle has been the CEO of Alarm.com Holdings, Inc. (NASDAQ:ALRM) since 2003, and this article will examine the... Skip to main content. 24/7 Help. For premium support please call: 800-290 ...