Daily Archives: May 1, 2010

Quartz Battery Alarm Clock Movement – More Precise Than Mechanical Alarm Clock Movement

There are two kinds of movements for alarm clocks: the mechanical movement and the quartz battery alarm clock movement. These two kinds are simply limited to the traditional alarm clocks with hands, excluding the steady state LCD and LED alarm clocks.

As early as 250 BC, the Greeks already created an alarm clock prototype in the form Continue reading Quartz Battery Alarm Clock Movement – More Precise Than Mechanical Alarm Clock Movement

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