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History
Synchronization
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Synchronization is the coordination of events to operate a system in unison. For example, the conductor of an orchestra keeps the orchestra synchronized or in time. Systems that operate with all parts in synchrony are said to be synchronous or in sync—and those that are not are asynchronous.
Synchronized dancers
Synchronized dancers
Troops use synchronization to learn teamwork
Troops use synchronization to learn teamwork
Time signal
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A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day.
These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio
These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio
The time ball on the roof of Greenwich Observatory, London
The time ball on the roof of Greenwich Observatory, London
A modern LF Radio clock
A modern LF Radio clock
A low cost LF radio clock receiver, antenna left, receiver right.
A low cost LF radio clock receiver, antenna left, receiver right.