Alarm clock-morning

A alarm clock-morning or clock alarm , usually called alarm clock , is a Horloge which emits a its at one hour predetermined. Is generally used it to awake at the beginning of day, from where its name. He was invented by Antoine Redier.

There are several types:

mechanical, with spring;
electric.

The alarm clock-morning modern do not stop sounding as long as an action was not carried out by the user, in order to be certain that it has it of course and that it awoke well, being thus connected with a dead man's handle.

It is possible to regulate the release of certain alarm clock-morning to two hours distinct.

More recently, of the receiving radio operator was integrated into the alarm clocks, making it possible to start with the choice a sound or a program diffused by a Radio station: one speaks then about radio-alarm. Later, it was in the same way with readers of cassette S or CD, making it possible to awake with the music of its choice.

Certain alarm clock-morning also propose to choose between several sounds to awake, some being adapted to an alarm clock carefully (songs of Oiseau X, noise of the Vague S, etc).

Some make it possible to fall asleep with the music or the radio, by offering a mode of temporization (Sleep) which automatically extinguishes the apparatus after a time regulated by the user. Some offer a function of repetition of the alarm (Snooze) which makes it possible to extinguish alarm temporarily, alarm which will start automatically again after a time to make it possible to remain with the bed a few minutes additional without being likely to forget itself.

Other apparatuses can be used as a alarm clock-morning: watch, Mobile phone, Computer, Television, etc

Simple: Alarm clock

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