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  2. Sony Dream Machine - Wikipedia

    en.wikipedia.org/wiki/Sony_Dream_Machine

    In the mid 1960s, Sony introduced the first Dream Machine. The basic idea was to use a radio program to wake up users more pleasantly, as many people found the loud mechanical alarm made by traditional alarm clocks disturbing. The use of direct-read digital display as opposed to a traditional clock dial gave the design a modernistic feel, which ...

  3. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    The tower clock of Norwich Cathedral constructed c. 1273 (reference to a payment for a mechanical clock dated to this year) is the earliest such large clock known. The clock has not survived. [ 95 ] The first clock known to strike regularly on the hour, a clock with a verge and foliot mechanism, is recorded in Milan in 1336. [ 96 ]

  4. Telechron - Wikipedia

    en.wikipedia.org/wiki/Telechron

    Telechron was an American company that manufactured electric clocks between 1912 and 1992. "Telechron" is derived from the Greek words tele, meaning "far off," and chronos, "time," thus referring to the transmission of time over long distances. Founded by Henry Ellis Warren, Telechron introduced the synchronous electric clock, which keeps time ...

  5. Clock - Wikipedia

    en.wikipedia.org/wiki/Clock

    Casio F-91W digital watch, a historically popular watch. A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year. Devices operating on several physical processes ...

  6. Electric clock - Wikipedia

    en.wikipedia.org/wiki/Electric_clock

    An electric clock is a clock that is powered by electricity, as opposed to a mechanical clock which is powered by a hanging weight or a mainspring. The term is often applied to the electrically powered mechanical clocks that were used before quartz clocks were introduced in the 1980s. The first experimental electric clocks were constructed ...

  7. Battery energy storage system - Wikipedia

    en.wikipedia.org/wiki/Battery_energy_storage_system

    A battery energy storage system (BESS) or battery storage power station is a type of energy storage technology that uses a group of batteries to store electrical energy. Battery storage is the fastest responding dispatchable source of power on electric grids , and it is used to stabilise those grids, as battery storage can transition from ...

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