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Notable features: Brightness variable from 0%-100% | Sunset simulation | 13 preloaded alarm sounds | Numerous relaxation sounds | Night-light setting The Hatch Restore 2 is a full-featured sunrise ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 25 February 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 ...
Clocky. Clocky is a brand of alarm clock outfitted with wheels, allowing it to hide itself in order to force the owner awake in an attempt to find it. Invented for an industrial design class by Gauri Nanda, then a graduate student at MIT Media Lab, Clocky won the 2005 Ig Nobel Prize in Economics.
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As a ‘smart’ alarm clock it has a 2.4 GHz WiFi connectivity for firmware and content download. Unlike traditional alarm clocks, Alarmo uses a 24 GHz mmWave presence sensor [5] to detect motion during sleep and waking up. [3] The longer the user stays in bed without moving, the louder and more intense the sound of the alarm will become.
The alarm movement was also improved: there were alarm clocks with a repeater, inflated tone, or soft movement. Thanks to railroads and automobiles, the alarm clock was often used on trips. There are travel alarm clocks with a special case for this purpose. [7] A wristband travel alarm clock was patented in 1908 by the Eterna company.
Digital clocks typically use the 50 or 60 hertz oscillation of AC power or a 32,768 hertz crystal oscillator as in a quartz clock to keep time. Most digital clocks display the hour of the day in 24-hour format; in the United States and a few other countries, a commonly used hour sequence option is 12-hour format (with some indication of AM or PM).
Founded as the Utility Manufacturing Company in 1934, it produced a wide variety of products, including wall clocks, alarm clocks, electric shavers, analog cameras, and more. It sold these through a medley of brands—including Falcon, Spartus, Galter, Regal, Monarch, Spencer, among others. It was founded in 1934 by Jack Galter (1904–1993) as ...