Levi Hutchins of Concord, New Hampshire, invented an alarm clock in 1787. His alarm clock, however, rang at only one time-4 a.m. He invented this device so that he would never sleep past his usual waking time. He never patented or manufactured it. The first modern alarm clock was made by Antoine Redier (1817-1892) in 1847. It was a mechanical device; the electric alarm clock was not invented until around 1890. The earliest mechanical clock was made in 725 c.e. in China by Yi Xing and Liang Lingzan.
In the 1940s.
The first radio alarm clock was invented by James F. Reynolds.
His name is Harry Caldwell
A clock radio and an alarm clock are two very similar things which provide some of the same functions however they differ in their features. An alarm clock is a basic clock which has an alarm function and a clock radio combines the use of an AM/FM radio and an alarm clock.
There are many purposes of the application called the Sunrise Alarm Clock. This application serves as an alarm clock with changeable backgrounds for the iPod and iPhone.
Online Clock Radio website offers digital alarm clock for its users. Users can select the colors of the clock, and the alarm sound can be changed too.
The first digital alarm clock was first invented in 1956.
In 1967
the guy who invented the alarm clock.
The dude who invented the alarm clock
12666554455 years ago
Never. The alarm clock was invented by Levi Hutchins of Concord, New Hampshire, in 1787.
The history of the first alarm clock dates back the Greek philosopher Plato, around 428-348 BC. It was a water clock with an alarm signal similar to a water organ.
The first radio alarm clock was invented by James F. Reynolds.
the alarm clock
His name is Harry Caldwell
It might have been called a jingle clock or a ding dong clock - P K Sengupta
Around 250 BC, An early version of the alarm clock was invented by the Greeks. They built a water clock where the raising waters would both keep time and eventually hit a mechanical bird that triggered an alarming whistle. The first mechanical alarm clock was invented by Levi Hutchins in 1787. However, the ringing bell alarm on his clock could ring only at 4 am. On October 24, 1876 a mechanical wind-up alarm clock that could be set for any time was patented (#183,725) by Seth E Thomas.